Advertisement
4 TROUBLESHOOTING GUIDE
(Refer to WIRING CONNECTION DIAGRAM)
< TROUBLE >
Does not operate.
→ If no less than 18V DC is available across the (+) and (-) terminals,
the battery pack is OK.
NOTE:
<CHECK TERMINAL CONNECTIONS BETWEEN MAIN UNIT
Check for proper terminal contacts.
Check continuity between following terminals.
* Inspection of the forward / reverse selection switch.
* Inspection of the brake.
The motor normally operates with its white (+) and black (-) lead wires
connected to 18V DC.
< CHECK >
<CHECK BATTERY PACK.>
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 18V DC or the usable time is extremely short.
- the battery leaks. Check battery for leaks and terminals for
corrosion.
<CHECK SWITCH BLOCK.>
(See WIRING CONNECTION DIAGRAM.)
When switch handle is depressed all the way:
- There should be 0Ω between (A) - (D) , and between (B) - (C) ;
when switch lever is set to forward side.
- There should be 0Ω between (A) - (C) , and between (B) - (D) ;
when switch lever is set to reverse side.
When switch handle is not depressed:
- There should be 0Ω between (A) - (B) .
<CHECK MOTOR.>
↓OK
AND BATTERY PACK.>
↓OK
↓OK
7
EY6450-U1
< REMEDY >
NO Replace battery pack.
→
NO Repair contacts.
→
NO Contacts in switch block
→
are defective.
Replace switch & FET
block.
NO Replace motor.
→
Advertisement
