How do I start my 108V Cordless Lawnmower
Created by Chris McHale, Modified on Tue, 30 Jun at 1:54 PM by Chris McHale
Quick Answer
To start the 108V cordless lawnmower, ensure the battery is charged and fully inserted, the safety key is fitted, then power on the mower and engage the safety lock and motor switch bar. The mower will not operate unless all safety systems are correctly activated.
Important: Always check the battery and safety key before attempting to start.
Before You Start
Before operating the mower, confirm:
- The battery is fully charged
- The battery is fully inserted until it clicks into place
- The safety key is correctly inserted and activated
- The mower is placed on stable ground
Important: The mower will not start unless both the battery and safety key are correctly fitted.
Step-by-Step Start Guide
Step 1: Power and safety checks
- Press the battery test button to confirm charge level
- Insert the battery fully into the mower
- Ensure you hear a clear click when locked
- Insert the safety key fully into position
- Confirm a click from the internal microswitch
Important: Both components must be properly seated for operation.
Step 2: Power on the mower
- Press and hold the central ON/OFF button for approximately 2 seconds
- The green LED light will illuminate
- This confirms the mower is powered on
Step 3: Start the cutting blade
- Press and hold the safety lock button
- While holding it, pull the motor switch bar towards the handle
- The blade will begin rotating
Important: The mower will only run while both controls are engaged.
Step 4: Stop the mower
- Release the motor switch bar
- The blade will stop immediately
Self-Propel Function
The self-propel system can be used with or without blade operation.
Option A: Self-propel without cutting
- Turn the power ON
- Push the rear drive switch bar towards the handle
- Hold to activate movement
- Release to stop
Option B: Self-propel with cutting
- Start the mower using the normal procedure
- Hold the front bail bar
- Engage the rear drive bar
- The mower will cut and move forward simultaneously
Important: Always maintain full control of the mower during operation.
Adjusting Self-Propel Speed
- Use the speed adjustment lever
- Move forwards or backwards to increase or decrease speed
- The lever allows continuous variable control
Important Information
- Always ensure the safety key is fitted before starting
- Never attempt to bypass safety switches
- Keep hands and feet away from the blade at all times
- Remove battery and safety key before maintenance
Important: The mower will not operate unless all safety systems are correctly engaged.
Frequently Asked Questions
Why won’t my 108V mower start?
This is usually caused by the battery not being fully charged, incorrectly inserted, or the safety key not being fitted correctly.
Do I need to press the ON/OFF button every time?
Yes. The power button must be activated before engaging the safety lock and motor switch bar.
Why does the mower stop when I release the handle?
This is a safety feature designed to stop the blade immediately when controls are released.
Can I use self-propel without cutting?
Yes. The self-propel system can operate independently of the cutting blade.
What should I do if the LED does not turn on?
Check the battery connection, charge level, and safety key installation.

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