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4 TROUBLESHOOTING GUIDE
(Refer to WIRING CONNECTION DIAGRAM)
< TROUBLE >
Does not operate.
→ If no less than 12V or 15.6 V DC is available across the (+) and (-) terminals,
<CHECK BATTERY PACK.>
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 12V/15.6V DC or the usable time is extremely short.
- the battery leaks. Check battery for leaks and terminals for
corrosion.
<CHECK TERMINAL CONNECTIONS BETWEEN MAIN UNIT
Check for proper terminal contacts.
<CHECK SWITCH BLOCK.>
(See .WIRING CONNECTION DIAGRAM.)
Check continuity between following terminals.
* Inspection of the forward / reverse selection switch.
When switch handle is depressed all the way:
- There should be 0Ω between
when switch lever is set to forward side.
- There should be 0Ω between
when switch lever is set to reverse side.
* Inspection of the brake.
When switch handle is not depressed:
- There should be 0Ω between
<CHECK MOTOR.>
The motor normally operates with its white (+) and black (-) lead wires
connected to 12V DC for EY6405/EY6409 or 15.6V DC for EY6432.
< CHECK >
↓OK
AND BATTERY PACK.>
↓OK
-
, and between
-
, and between
-
.
↓OK
7
EY6405-X8 / EY6409-X8 / EY6432-X8
< REMEDY >
NO Replace battery pack.
→
NO repair contacts.
→
NO Contacts in switch block
→
are defective.
Replace switch & FET
block.
-
;
-
;
NO Replace motor.
→
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