User manual

56
TROUBLESHOOTING
20 EF8
Warning
message
Battery voltage is
too low to perform
normal mowing
1. Normally if voltage is low, the
mower should automatically
return to the charging station.
2. If not, please carry your mower
manually to charging station
when it has stopped on the lawn.
21 EF9
Warning
message
Drive motor
maybe locked
Power off then restart the mower.
If the fault still exists, please call
after sales service.
22 EF10
Warning
message
Cutting motor may
be locked
23 E1
Fault
message
Micro-controller
core self-check
fault
24 E3
Fault
message
Cutting motor
stops in use, but
it cannot stop
when switched off
or cutting motor
overloaded.
25 E4
Fault
message
Drive motor
cannot stop when
mower stops.
26 E20
Fault
message
Boundary signal
self-checking
error
27 E21/E22
Fault
message
Micro-controller
self-checking
error
28 E23
Fault
message
Driving motor
cannot turn when
mower is started
29 E24
Fault
message
Cutting Driving
motor cannot turn
when mower is
started