(Refer to WIRING CONNECTION DIAGRAM)
4 TROUBLESHOOTING GUIDE
4.1. CHECK POINTS FOR ELECTRICAL PARTS.
< TROUBLE >
< CHECK >
< REMEDY >
Does not operate.
<CHECK BATTERY PACK.>
NO Replace battery
→
If no less than 24V DC is available across the (+) and (-)
→
pack.
terminals after charging the rated charging time (45min.),
the battery pack is OK.
NOTE:
The battery pack is sold separately as an optional
accessory. See the nearest sales dealer for
details. The battery pack has a limited life.
The pack should be replaced if;
- after being charged for the rated charging
time the battery voltage is less than 24V DC
or the usable time is extremely short.
- the battery leaks. Check battery for leaks
and terminals for corrosion.
↓
OK
<CHECK TERMINAL CONNECTIONS BETWEEN
NO Repair contacts or
MAIN UNIT AND BATTERY PACK.>
→
replace switch
Check for proper terminal contacts or if there is any foreign
assembly.
substances around the battery terminals of battery holder.
↓
OK
<CHECK MOTOR.>
NO Replace motor
The motor normally operates with its white (+) and gray (-)
→
rotor and brush
lead wires connected to 24V DC.
assembly.
Does not speed-
<CHECK SWITCH.>
NO Replace switch &
control but switch
→
Even if FET block is defective, it can not be replaced
→
FET block.
trigger works
individually. Replace whole switch block.
properly.
6
EY6813-U1
