Reasons Why Your Ferris Lawn Mower Won’t Start (Problems & Troubleshooting)

If you’re experiencing trouble with your Ferris lawn mower that won’t start, you’re in the right place. Troubleshooting a lawn mower that fails to start can be frustrating, but with the right guidance, you can diagnose the problem and find a solution. In this guide, we’ll explore common issues that may prevent your Ferris lawn mower from starting and provide step-by-step instructions to help you troubleshoot and resolve these problems.

From checking fuel levels and examining engine parts to verifying safety switches and recording important details, we’ll cover the essentials of troubleshooting your Ferris lawn mower. So, let’s dive in and get your mower back up and running in no time.

Service List for Ferris Lawn Mower Won’t Start

Please keep in mind that the specific troubleshooting steps may vary depending on the model and type of engine. However, I’ll provide you with a general step-by-step guide that should help you diagnose common issues and identify potential solutions. Here’s what you can do:

Step 1: Safety first Ensure that the lawn mower is on a level surface and the parking brake is engaged. Disconnect the spark plug wire to prevent accidental starting while troubleshooting.

Step 2: Check the fuel level Make sure there is an adequate amount of fuel in the tank. If the fuel level is low, refuel the mower with fresh gasoline. It’s also a good idea to check for any fuel leaks or blockages in the fuel line.

Step 3: Inspect the spark plug Remove the spark plug and examine its condition. A fouled or worn-out spark plug can prevent the engine from starting. If the spark plug is dirty, clean or replace it according to the manufacturer’s recommendations. Ensure that the spark plug is properly gapped and securely tightened.

Step 4: Verify the air filter Inspect the air filter for dirt, debris, or damage. A clogged or dirty air filter can restrict airflow to the engine and affect its performance. Clean or replace the air filter if necessary, following the manufacturer’s instructions.

Step 5: Check the oil level Check the oil level in the engine. Low or dirty oil can cause starting issues. If the oil level is low, top it up with the recommended oil type. If the oil appears dirty or contaminated, it’s advisable to change it.

Step 6: Examine the battery If your Ferris lawn mower has an electric start system, ensure that the battery is adequately charged. Clean the battery terminals and connections to ensure good electrical contact. If the battery is weak or discharged, recharge or replace it as needed.

Step 7: Inspect the carburetor Check the carburetor for any signs of damage, blockage, or clogging. Clean the carburetor if necessary or consider having it professionally serviced if you’re not familiar with carburetor maintenance.

Step 8: Check the fuel system Inspect the fuel lines, fuel filter, and fuel tank for any blockages, leaks, or contamination. Ensure that the fuel flows freely to the carburetor. If there are any issues with the fuel system, address them accordingly.

Step 9: Verify the safety switches Lawn mowers are equipped with safety switches that prevent the engine from starting under certain conditions, such as when the blade engagement lever is engaged or the seat is not occupied. Ensure that all safety switches are functioning correctly.

Step 10: Seek professional assistance If you have gone through the troubleshooting steps and the lawn mower still won’t start, it’s recommended to consult a qualified technician or contact the Ferris customer support for further assistance. They will have the expertise and specific knowledge to diagnose and resolve complex issues.

Remember to consult the owner’s manual or documentation specific to your Ferris lawn mower model for detailed instructions and maintenance guidelines.

Ferris Lawn Mower Service Tools & Equipment

When troubleshooting a riding lawn mower that won’t start, you’ll need a few essential tools and equipment to help you diagnose and fix the problem. Here’s a list of items you may need:

1. Socket set: A socket set with various sizes will be useful for removing bolts and nuts.
2. Screwdrivers: Have a set of both flathead and Phillips screwdrivers on hand for loosening or tightening screws.
3. Spark plug wrench: This specialized wrench is designed to remove and install spark plugs.
4. Multimeter: A digital multimeter allows you to measure electrical voltages, resistance, and continuity, which can be helpful for diagnosing electrical issues.
5. Fuel pressure gauge: If your mower has a fuel-related problem, a fuel pressure gauge can help you test the fuel system’s pressure.
6. Fuel line clamp: A fuel line clamp is useful for stopping the fuel flow when working on the fuel system.
7. Fuel container: Keep a suitable container to drain any excess fuel from the mower’s tank.
8. Oil drain pan: An oil drain pan will come in handy if you need to drain and replace the engine oil.
9. Safety goggles and gloves: Protect your eyes and hands with safety goggles and gloves when working on the mower.
10. Cleaning brush: A small brush can be used to clean spark plugs, electrical connections, and other components.
11. Shop manual: Refer to the manufacturer’s shop manual specific to your Ferris lawn mower for detailed instructions and troubleshooting tips.

It’s important to note that the specific tools required may vary depending on the model and type of Ferris lawn mower you have. Always consult your mower’s manual and use the appropriate tools for the task at hand.

How to Check the Battery

To check the battery of your Ferris lawn mower when it won’t start, follow these step-by-step instructions:

1. Safety first: Ensure the ignition switch is in the “off” position and remove the key from the ignition.
2. Locate the battery: The battery is usually located under the hood or near the engine. Refer to your Ferris lawn mower’s manual for the exact location.
3. Inspect the battery connections: Check the battery terminals for any signs of corrosion or loose connections. Corrosion appears as a white or greenish powdery substance on the terminals. If corrosion is present, it can interfere with the electrical connection.
4. Clean the battery terminals: If you find corrosion, clean the battery terminals using a wire brush or battery terminal cleaner. Disconnect the negative terminal (usually marked with a “-“) first, then the positive terminal (usually marked with a “+”). Scrub the terminals and cable ends until they are clean and free of corrosion. Rinse with water and dry with a clean cloth.
5. Check the battery voltage: Using a digital multimeter set to DC voltage, connect the positive (red) probe to the positive terminal of the battery and the negative (black) probe to the negative terminal. The multimeter should display the battery voltage. A fully charged battery typically reads around 12.6 volts or higher. If the voltage is significantly lower, the battery may need to be recharged or replaced.
6. Test the battery charge: If the battery voltage is low, you can try charging the battery using a battery charger. Follow the manufacturer’s instructions for the specific charger you have. Alternatively, you can jump-start the mower using jumper cables and a fully charged battery from another vehicle or a portable jump-starter.
7. Reconnect the battery: Once the battery is charged or replaced, reconnect the positive terminal first, followed by the negative terminal. Ensure the connections are tight and secure.
8. Attempt to start the mower: With the battery properly connected, try starting your Ferris lawn mower. If the battery was the issue, the mower should now start. If not, further troubleshooting may be required.

Remember to always consult your Ferris lawn mower’s manual for specific instructions and safety precautions. If you’re unsure or uncomfortable performing these steps, it’s recommended to seek assistance from a professional technician.

How to Check the Spark Plug

To inspect the spark plug of your Ferris lawn mower when it won’t start, follow these step-by-step instructions:

1. Safety first: Ensure the ignition switch is in the “off” position and remove the key from the ignition.
2. Locate the spark plug: The spark plug is typically located on the engine cylinder head and is connected to a rubber boot or wire. Refer to your Ferris lawn mower’s manual for the exact location.
3. Remove the spark plug wire: Grasp the rubber boot or wire firmly and pull it straight off the spark plug. Do not twist or tug on the wire itself.
4. Clean the area around the spark plug: Use a clean cloth or compressed air to remove any dirt, debris, or grass clippings around the spark plug. This will prevent contaminants from falling into the combustion chamber when the spark plug is removed.
5. Remove the spark plug: Use a spark plug socket and a ratchet or a spark plug wrench to loosen and remove the spark plug from the engine. Turn the spark plug counterclockwise to unscrew it from the cylinder head. Be careful not to drop the spark plug into the engine compartment.
6. Inspect the spark plug: Examine the spark plug for any signs of damage, such as fouling, corrosion, or wear. Check the electrode for wear or erosion, and inspect the insulator for cracks or carbon buildup. A damaged or worn spark plug may cause ignition problems and prevent the engine from starting.
7. Clean or replace the spark plug: If the spark plug appears dirty or fouled, you can clean it using a wire brush or a spark plug cleaner. Gently brush off any deposits or carbon buildup on the electrode and insulator. If the spark plug is severely damaged, worn, or excessively fouled, it is recommended to replace it with a new one. Consult your Ferris lawn mower’s manual for the correct spark plug type and gap specifications.
8. Install the spark plug: Apply a small amount of anti-seize lubricant to the spark plug threads if recommended by the manufacturer. Thread the spark plug into the cylinder head by hand to avoid cross-threading, and then tighten it with the spark plug socket and ratchet or spark plug wrench. Do not overtighten the spark plug.
9. Reattach the spark plug wire: Push the rubber boot or wire firmly onto the spark plug until it snaps into place. Ensure it is securely connected to provide a good electrical connection.
10. Attempt to start the mower: With the spark plug properly cleaned or replaced, try starting your Ferris lawn mower. If the spark plug was the issue, the mower should now start. If not, further troubleshooting may be required.

Always consult your Ferris lawn mower’s manual for specific instructions and safety precautions. If you’re unsure or uncomfortable performing these steps, it’s recommended to seek assistance from a professional technician.

How to Check the Air Filter

To check the air filter of your Ferris lawn mower when it won’t start, follow these step-by-step instructions:

1. Safety first: Ensure the ignition switch is in the “off” position and remove the key from the ignition.
2. Locate the air filter: The air filter is typically housed in a rectangular or cylindrical air filter housing near the carburetor or engine intake. Consult your Ferris lawn mower’s manual for the exact location.
3. Remove the air filter cover: Depending on the model, you may need to use a screwdriver, socket wrench, or simply lift a latch to remove the air filter cover. Carefully loosen or remove any screws or fasteners securing the cover.
4. Remove the air filter: Lift or pull out the air filter from the housing. It may be a foam or paper element, or a combination of both. Take note of the filter’s orientation for proper reinstallation.
5. Inspect the air filter: Examine the air filter for any signs of dirt, debris, or damage. A clogged or dirty air filter can restrict airflow to the engine, causing starting issues. If the air filter is excessively dirty or damaged, it may need to be replaced.
6. Clean or replace the air filter: If the air filter appears dirty but is still in good condition, you can clean it. For foam filters, wash it with mild soap and water, then squeeze out excess moisture and allow it to dry completely. For paper filters, gently tap it on a hard surface or use compressed air to remove loose dirt. If the air filter is torn, heavily soiled, or deteriorated, it is recommended to replace it with a new one. Refer to your Ferris lawn mower’s manual for the correct air filter type and part number.
7. Reinstall the air filter: Place the clean or new air filter back into the air filter housing, ensuring it fits properly and seals against any gaskets or seals. Make sure the filter is properly oriented according to any arrows or markings on the housing or filter itself.
8. Secure the air filter cover: Align the cover with the air filter housing and secure it in place using screws, fasteners, or by latching it back into position. Tighten any screws or fasteners to ensure a secure fit.
9. Attempt to start the mower: With the air filter cleaned or replaced, try starting your Ferris lawn mower. If a clogged or dirty air filter was causing the issue, the mower should now start. If not, further troubleshooting may be required.

Always consult your Ferris lawn mower’s manual for specific instructions and safety precautions. If you’re unsure or uncomfortable performing these steps, it’s recommended to seek assistance from a professional technician.

How to Check the Fuel Filter

To examine the fuel filter of your Ferris lawn mower when it won’t start, follow these step-by-step instructions:

1. Safety first: Ensure the ignition switch is in the “off” position and remove the key from the ignition. Allow the engine to cool down completely.
2. Locate the fuel filter: The fuel filter is typically located between the fuel tank and the carburetor or fuel pump. Refer to your Ferris lawn mower’s manual for the exact location.
3. Position a catch container: Place a clean container or a piece of cloth under the fuel filter to catch any fuel that may spill during the examination process.
4. Loosen the hose clamps: Using pliers or a screwdriver, loosen the hose clamps that secure the fuel filter in place. Carefully slide the clamps away from the filter.
5. Remove the fuel filter: Gently pull the fuel lines away from the fuel filter. Be cautious as some fuel may still be present in the lines. Remove the filter from its mounting bracket or holder.
6. Inspect the fuel filter: Examine the fuel filter for any signs of clogs, dirt, debris, or damage. A clogged fuel filter can restrict fuel flow to the engine, leading to starting issues. If the filter appears dirty, discolored, or damaged, it may need to be replaced.
7. Clean or replace the fuel filter: If the fuel filter is dirty but still in good condition, you can attempt to clean it. Use compressed air or a clean cloth to remove any debris or clogs. If the filter is severely clogged or damaged, it is recommended to replace it with a new one. Refer to your Ferris lawn mower’s manual for the correct fuel filter type and part number.
8. Reinstall the fuel filter: Position the cleaned or new fuel filter back into its mounting bracket or holder. Ensure that the fuel lines are properly aligned with the filter’s inlet and outlet ports.
9. Secure the fuel filter: Slide the hose clamps back onto the fuel lines and position them over the filter’s connections. Tighten the clamps securely to prevent any fuel leaks.
10. Check for leaks: Before starting the mower, carefully inspect the fuel filter connections and surrounding area for any signs of fuel leakage. If any leaks are detected, tighten the connections or replace faulty components before proceeding.
11. Attempt to start the mower: With the fuel filter examined and, if necessary, cleaned or replaced, try starting your Ferris lawn mower. If a clogged or dirty fuel filter was causing the issue, the mower should now start. If not, further troubleshooting may be required.

Always consult your Ferris lawn mower’s manual for specific instructions and safety precautions.

If you’re unsure or uncomfortable performing these steps, it’s recommended to seek assistance from a professional technician.

How to Check the Lawnmower Ignition System

To inspect the ignition system of your Ferris lawn mower when it won’t start, follow these step-by-step instructions:

1. Safety first: Ensure the ignition switch is in the “off” position and remove the key from the ignition. Allow the engine to cool down completely.
2. Locate the ignition components: The ignition system consists of several components, including the spark plug, ignition coil, and spark plug wire. Refer to your Ferris lawn mower’s manual to identify the specific location of these components.
3. Check the spark plug: Start by inspecting the spark plug. Remove the spark plug wire by firmly grasping the boot and pulling it off the spark plug. Use a spark plug wrench to carefully remove the spark plug from the engine.
4. Examine the spark plug: Inspect the spark plug for signs of fouling, such as black carbon deposits or excessive wear. If the spark plug is dirty, fouled, or damaged, it may need to be cleaned or replaced.
5. Clean the spark plug (if necessary): If the spark plug is dirty but still in good condition, you can clean it using a wire brush or a spark plug cleaner. Gently brush away any carbon deposits or debris from the spark plug electrodes and ensure the gap is clean and clear.
6. Check the spark plug gap: Using a spark plug gap tool, measure the gap between the center and ground electrode of the spark plug. Refer to your Ferris lawn mower’s manual for the recommended spark plug gap specification. Adjust the gap if necessary by carefully bending the ground electrode.
7. Inspect the spark plug wire: While the spark plug is removed, inspect the spark plug wire for any signs of damage, such as cracks, cuts, or wear. Ensure that the wire is securely connected to both the spark plug and the ignition coil.
8. Inspect the ignition coil: Examine the ignition coil for any visible damage or loose connections. Ensure that all electrical connections to the ignition coil are secure and free from corrosion.
9. Reinstall the spark plug: Carefully insert the spark plug back into the engine by hand. Use the spark plug wrench to tighten it snugly, but avoid overtightening to prevent damage.
10. Reconnect the spark plug wire: Push the spark plug wire boot firmly onto the spark plug until it is securely seated.
11. Attempt to start the mower: With the ignition system components inspected and, if necessary, cleaned or replaced, try starting your Ferris lawn mower. If an issue with the ignition system was causing the starting problem, the mower should now start. If not, further troubleshooting may be required.

Always consult your Ferris lawn mower’s manual for specific instructions and safety precautions. If you’re unsure or uncomfortable performing these steps, it’s recommended to seek assistance from a professional technician.

How to Test the Carburetor on a Ferris Lawn Mower

To test the carburetor of your Ferris lawn mower when it won’t start, follow these step-by-step instructions:

1. Safety first: Ensure the ignition switch is in the “off” position and remove the key from the ignition. Allow the engine to cool down completely.
2. Locate the carburetor: The carburetor is typically positioned near the engine and is connected to the air filter and fuel line. Refer to your Ferris lawn mower’s manual to identify the specific location of the carburetor.
3. Check the fuel supply: Ensure that there is fuel in the gas tank and that the fuel valve, if equipped, is in the “on” position. Check for any clogs or obstructions in the fuel line or fuel filter.
4. Inspect the carburetor exterior: Examine the exterior of the carburetor for any visible signs of damage, such as cracks or leaks. Ensure that all bolts, screws, and connections are tight and secure.
5. Inspect the choke and throttle: Check the choke and throttle controls on the carburetor to ensure they are moving freely and are not stuck or damaged.
6. Check the carburetor for dirt or debris: Remove the air filter cover and air filter. Inspect the inside of the carburetor for any signs of dirt, debris, or clogs. If you notice any blockages, use compressed air or a carburetor cleaner to carefully clean the carburetor passages and jets.
7. Check the float and needle valve: The float and needle valve control the fuel flow into the carburetor. Carefully remove the float bowl from the bottom of the carburetor and inspect the float and needle valve for any damage or debris. Ensure that the float moves freely and that the needle valve is clean and undamaged.
8. Test the fuel flow: With the float bowl removed, turn the fuel valve to the “on” position and observe the fuel flow. Fuel should flow steadily into the float bowl. If there is no fuel flow or if it is inconsistent, there may be an issue with the fuel delivery system or a clog in the carburetor.
9. Reassemble the carburetor: After inspecting and cleaning the carburetor components, carefully reassemble the carburetor, ensuring that all gaskets and seals are properly aligned and in good condition.
10. Attempt to start the mower: With the carburetor inspected and, if necessary, cleaned or repaired, try starting your Ferris lawn mower. If an issue with the carburetor was causing the starting problem, the mower should now start. If not, further troubleshooting may be required.

Always consult your Ferris lawn mower’s manual for specific instructions and safety precautions. If you’re unsure or uncomfortable performing these steps, it’s recommended to seek assistance from a professional technician.

How to Check the Oil Level

To check the engine oil level of your Ferris lawn mower when it won’t start, follow these step-by-step instructions:

1. Safety first: Ensure the ignition switch is in the “off” position and remove the key from the ignition. Allow the engine to cool down completely.
2. Locate the oil dipstick: The oil dipstick is typically located on the side of the engine and has a brightly colored handle for easy identification. Refer to your Ferris lawn mower’s manual to determine the exact location of the dipstick.
3. Remove the dipstick: Grasp the handle of the dipstick and pull it straight out from the engine. Wipe the dipstick clean with a rag or paper towel to remove any oil residue.
4. Reinsert the dipstick: Insert the clean dipstick back into the dipstick tube, pushing it all the way in until it is fully seated.
5. Remove the dipstick again: Pull the dipstick out of the tube and observe the oil level. The dipstick will have markings indicating the acceptable range for the oil level. Typically, there will be a “Full” or “Max” mark and a “Low” or “Min” mark.
6. Check the oil level: Observe the oil on the dipstick. If the oil level is between the “Full” or “Max” mark and the “Low” or “Min” mark, the oil level is sufficient. If the oil level is below the “Low” or “Min” mark, you need to add oil.
7. Add oil if necessary: If the oil level is low, use a funnel to pour the appropriate type and amount of oil into the oil fill tube. Refer to your Ferris lawn mower’s manual for the recommended oil type and capacity. Avoid overfilling the oil, as it can cause engine damage.
8. Recheck the oil level: After adding oil, repeat steps 3 to 6 to ensure the oil level is now within the acceptable range.
9. Securely close the oil dipstick: Once you are satisfied with the oil level, ensure the dipstick is securely inserted back into the dipstick tube.

Checking the engine oil level is an essential maintenance task and should be done regularly even if the lawn mower starts without any issues.

Always consult your Ferris lawn mower’s manual for specific instructions and recommendations regarding oil type, capacity, and maintenance intervals.

How to Test the Safery Swith

To test a safety switch on your Ferris lawn mower, follow these step-by-step instructions:

1. Safety first: Ensure the ignition switch is in the “off” position and remove the key from the ignition. Set the parking brake and make sure the blades are disengaged.
2. Locate the safety switches: Ferris lawn mowers typically have multiple safety switches, such as the seat switch, blade engagement switch, and brake/clutch switch. Refer to your Ferris lawn mower’s manual to determine the specific location and type of safety switches on your model.
3. Understand the purpose of each switch: Each safety switch serves a specific purpose. For example, the seat switch ensures that the engine shuts off if you dismount the mower while the blades are engaged. The blade engagement switch prevents the blades from turning when the operator is not present. The brake/clutch switch prevents the engine from starting unless the brake pedal or clutch lever is engaged.
4. Inspect the switches: Visually inspect each safety switch for any visible damage, such as loose wires, broken connectors, or corrosion. Ensure that the switches are properly connected and securely mounted.
5. Test the seat switch: Sit on the seat of the lawn mower and attempt to start the engine. If the engine does not start, check that the seat switch is functioning properly by rocking back and forth on the seat while trying to start the engine. If the engine starts when you lift off the seat or rock back and forth, the seat switch may be faulty and requires further inspection or replacement.
6. Test the blade engagement switch: With the engine off and the parking brake engaged, attempt to engage the blades by pulling the blade engagement lever or pressing the blade engagement button. If the blades do not engage, check the blade engagement switch. Refer to your manual for the specific procedure to test this switch.
7. Test the brake/clutch switch: Ensure the parking brake is engaged and attempt to start the engine. If the engine does not start, try engaging the brake pedal or clutch lever while starting. If the engine starts only when the brake pedal or clutch lever is engaged, the brake/clutch switch may be faulty and requires further inspection or replacement.
8. Consult a professional if needed: If you suspect any of the safety switches are faulty or if you are unsure how to test them, it is recommended to consult a professional or authorized Ferris service center for assistance. They have the expertise and specialized tools to accurately diagnose and repair any issues with the safety switches.

Safety switches are crucial for the safe operation of your Ferris lawn mower. Regularly inspecting and testing these switches ensures they are functioning properly and helps prevent accidents or damage to the equipment. Always refer to your Ferris lawn mower’s manual for specific instructions and safety guidelines regarding the operation and maintenance of the safety switches.

Ferris Lawn Mower Won’t Start FAQ

Q1: Why my Ferris lawn mower won’t start?
A: There could be several reasons why your Ferris lawn mower won’t start. Common causes include a dead battery, clogged fuel filter, dirty spark plug, or faulty ignition system. It is essential to troubleshoot and identify the specific issue to determine the appropriate solution.

Q2: How do I know if the battery is causing the starting problem?
A: If your Ferris lawn mower’s battery is weak or dead, it can prevent the engine from starting. You can check the battery by testing its voltage with a multimeter or by using a battery load tester. If the battery voltage is low or it fails the load test, it may need to be recharged or replaced.

Q3: How often should I clean or replace the air filter?
A: The air filter in your Ferris lawn mower should be inspected and cleaned or replaced regularly. The frequency depends on various factors such as operating conditions and air quality. As a general guideline, it is recommended to check the air filter at least once per season and clean or replace it if it is dirty or damaged.

Q4: What should I do if I suspect a problem with the fuel system?
A: If you suspect a fuel-related issue, start by checking the fuel filter and ensuring it is clean and not clogged. You can also inspect the fuel lines for any leaks or damage. If the fuel filter and lines are in good condition, it is recommended to check the fuel pump and carburetor for any potential problems.

Q5: How often should I inspect and replace the spark plug?
A: The spark plug in your Ferris lawn mower should be inspected regularly and replaced as needed. It is recommended to inspect the spark plug at least once per season. If the spark plug is dirty, fouled, or damaged, it should be replaced with a new one.

Q6: Can a faulty ignition system prevent the lawn mower from starting?
A: Yes, a faulty ignition system can prevent the lawn mower from starting. If the ignition switch, ignition coil, or spark plug wire is damaged or malfunctioning, it can disrupt the spark and prevent the engine from firing. Proper inspection and testing of the ignition system components are necessary to identify and resolve any issues.

Q7: How can I test the safety switches on my Ferris lawn mower?
A: To test the safety switches, follow the steps outlined in the “How to Test a Ferris Lawn Mower Safety Switch” section. Each safety switch serves a specific purpose, such as the seat switch, blade engagement switch, and brake/clutch switch. Ensure that the switches are properly connected and functioning as intended.

Q8: Can I troubleshoot and repair the lawn mower myself, or should I seek professional help?
A: Depending on your experience and comfort level, you can troubleshoot and perform basic repairs on your Ferris lawn mower. However, for complex issues or if you are unsure about any aspect of the troubleshooting process, it is recommended to consult a professional or authorized Ferris service center. They have the expertise, tools, and access to genuine parts to properly diagnose and repair any problems with your lawn mower.

Note: Always refer to your Ferris lawn mower’s manual for specific instructions and safety guidelines when troubleshooting or performing maintenance tasks. If you are unsure or unfamiliar with any troubleshooting procedures, it is recommended to consult a professional. The information provided in this FAQ is for general guidance only and may not cover all possible scenarios or models of Ferris lawn mowers.