Download our most recent manual attached if you've misplaced the one for your Hyundai HYM40LI420SP Battery-Powered, Cordless Lawn Mower.
If you're looking for advice on how to change and replace the battery, check out the quick and easy video guide below.
In this video, you will see the following:
00:00: Introduction.
00:25: How to remove the Battery.
01:20: Replacing the battery of HYM40LI420SP
01:45: Replacing the battery of HYM80Li460SP
Troubleshooting
HYM40LI420SP motor doesn't start
- Is the battery fully charged? The battery may be empty, charge it and try again. Ensure that it's properly inserted into the housing.
- Is the mower standing in high grass? Start the motor on shorter grass or previously mowed
area; change cutting height if necessary. - Is the mower housing clogged? Ensure that the housing is clean so the blade can run freely.
- Is the capacitor, cable, switch/plug block, or motor terminals defective? If so, contact an authorised service centre.
- Ensure that the safety key is inserted.
HYM40LI420SP motor performance drops
- The grass may be too tall or damp. Adjust the cutting height to correct this.
- Is the mower housing clogged? Ensure that the housing is clean so the blade can run freely.
- Are the blades badly worn? They may need replacing or re-sharpening.
- The battery may be running out of charge. Charge the battery and try again.
HYM40LI420SP unclean cuts
- Are the blades badly worn? They may need replacing or re-sharpening.
- Is the cutting height correct? Adjust if necessary.
If you require further assistance please contact us at aftersales@genpower.co.uk
For information on our other products and power tools, visit: hyundaipowerequipment.co.uk
Comments
3 comments
I bought the mower June 2021 we've had to very dry summers so I never used the mover much .I've checked everything's ok the mowers just not powerful enough .
This is the third time I have messaged you
Hi Sean I can't send you a video of the mower yet as I only cut the grass the day before
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