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Blades continue to turn after
operator leaves seat without
parking pedal set.
1. Safety interlock system is not
functioning correctly.
1. Ensure safety interlock system
seat plug is fully connected.
If blades still won’t stop, take
mower to authorized service
center for repair.
Headlights not working.
1. Headlights are off.
2. Headlights are damaged.
1. Press headlight button to turn
headlights on.
2. Replace headlights.
Battery will not charge.
1. Bad battery cells.
2. Poor cable connections.
1. Replace battery.
2. Check/clean all battery
connections.
CHARGER ERROR CODES
CODE
MEANING
SOLUTION
One red flash
Charger Voltage Fault
Check connection status between
charger and mower, then try
charging again.
Two red flashes
Charging Over-temperature ——
The battery temperature is too
hot(greater than 122°F).
Disconnect charger. Let the batteries
cool, then try charging again.
Three red flashes
Charging Over-time:May indicate a
problem with the mower batteries
or that charger output current
was severely reduced due to high
ambient temperatures.
Disconnect charger. Let the batteries
cool, then try charging again.
Four red flashes
NTC (Negative Temperature
Coefficient) is triggered or
disconnected.
Unplug charger from mower and
power source. Let mower and
charger cool, then try charging
again.
Five red flashes
Over-temperature Protection
Disconnect charger. Check
connection status between charger
and mower. Let the batteries cool,
then try charging again.
In all fault conditions, If suggested remedy does not clear the fault and allow batteries to charge, contact
Yard Force customer service at 866-902-9690.
TROUBLESHOOTING
