Ryobi ZTR480ex Manual page 13

TROUBLESHOOTING
If these solutions do not solve the problem, contact an authorised service centre.
Problem Possible cause
The battery charge is low.
The charger is connected to the product.
The product does not
start. The start key is not installed or is in the OFF
position.
Poor battery cable connections
The start key is not installed or is in the OFF
position.
The drive levers are in the neutral or open
position.
The product does not
The brake is pressed and/or parking brake
move.
is engaged.
The charger is connected to the product.
The operator is not fully seated.
The tyre pressure is uneven.
The mower deck is not level.
The product is cutting
The blade is worn, bent, loose, or dull.
grass unevenly.
There is build-up of debris under the product.
The mowing speed is too fast.
There are wet grass clippings sticking to the
underside of the deck.
The grass is too high.
The product is not
mulching properly.
The blade is worn, bent, loose, or dull.
The mowing speed is too fast.
The blade is unbalanced, loose, or
excessively or unevenly worn.
The product is
vibrating at a higher
The motor shaft is bent.
speed.
Solution
Charge the battery.
Disconnect the charger from product.
Insert the start key, and turn it to the ON position.
Check and clean all the battery connections.
Install the start key, and turn to the ON position.
Move the drive levers in the preferred direction (forward or
reverse).
Release the brake pedal and the parking brake, then open and
close the drive levers to reset the mower.
Disconnect the charger from product.
Fully sit down on the seat, return the drive levers to the neutral
position, and try again.
Check the tyre pressure in all four tyres.
Perform cutting deck level adjustment.
Replace the blade.
Clean underside of the mower deck.
Mow at a slower speed.
Wait until the grass dries before mowing.
Mow once at a high cutting height, then mow again at the
preferred height.
Replace the blade.
Mow at a slower speed.
Replace the blade.
Stop the motor, and remove the start key. Inspect the product
for damage. Have the product serviced by an authorised service
centre before restarting.
Original Instructions
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