LX31/41 Electric Work Platform 4-9
T
RO U B L E S H O O T I N G
Section
4.8
4 Flashes
- Direction contactor welded.
(Point "A" within 6V of B+ve
in neutral)
- Leakage between motor
ar mature and field.
- Drive inhibited.
- Flashes in neutral until
fault is cleared
Check direction contactor tips
Free/change tips
Check power wiring for shorts
Rectify
Check motor for armature to field shorts or
leakage
Rectify
Check for shorts to frame and battery leakage
Rectify
Replace MOS90 Controller
5 Flashes
- Direction contactors (or line
contactor) did not close.
- Motor armature or field
open circuit.
- Point "A" not within 6V of
B+ve within one second of
selecting direction.
- Drive inhibited.
- Flashes until fault is cleared,
when contactor closes.
Check contactor tips
Repair/replace
Check contactor for mechanical operation and
coil O.K.
Repair/replace
Check power and control wiring
Rectify
Check for open circuit motor
Rectify
Replace controller
Summary of Contents for LX31
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Page 6: ...ii LX31 41 Electric Work Platform FORWARD NOTES ...
Page 24: ...2 12 LX13 41 Electric Work Platform MACHINE PREPARATION OPERATION Section 2 10 NOTES ...
Page 49: ...LX31 41 Electric Work Platform 3 25 MAINTENANCE Section 3 19 NOTES ...
Page 66: ...4 16 LX31 41 Electric Work Platform TROUBLESHOOTING Section 4 9 ...
Page 74: ...5 8 LX31 41 Electric Work Platform SCHEMATICS Section 5 4 ...
Page 115: ...LX31 41 Electric Work Platform 6 41 ILLUSTRATED PARTS BREAKDOWN Section 6 1 ...
Page 117: ...LX31 41 Electric Work Platform 6 43 ILLUSTRATED PARTS BREAKDOWN Section 6 1 ...
Page 118: ...6 44 LX31 41 Electric Work Platform ILLUSTRATED PARTS BREAKDOWN Section 6 1 NOTES ...
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