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LED
PROGRAMMER
CODE
LCD DISPLAY
1,2
HW FAILSAFE
1,3
M±FAULT
1,4
SRO
2,1
THROTTLE FAULT 1
2,2
BB WIRING CHECK
2,3
HPD
2,4
THROTTLE FAULT 2
3,1
CONT DRVR OC
DIR CONT WELDED
3,2
3,4
MISSING CONTACTOR
4,1
LOW BATTERY VOLTAGE
4,2
OVERVOLTAGE
4,3
THERMAL CUTBACK
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SAFETY, OPERATORS & MAINTENANCE MANUAL
TROUBLESHOOTING CHART
EXPLANATION
hardware fail±safe error
M±output shorted
SRO fault
5kΩ±0 or wiper fault
emer. reverse wiring fault
HPD sequencing fault
Pot Low broken or shorted
driver output overcurrent
welded direction contactor
missing contactor or shunt
low battery voltage
overvoltage
over/under±temp. cutback
E-Z-GO XI 340 / CUSHMAN TUG
POSSIBLE CAUSE
1. Controller defective.
1. M±output shorted to ground.
2. Direction contactor not closing.
3. Direction contactor not closing fast enough.
4. Internal motor short to ground.
1. Improper sequence of KSI, brake and
direction inputs.
2. Wrong SRO type selected.
3. Brake or direction switch circuit open.
4. Sequencing delay too short.
1. Throttle input wire open.
2. Throttle input wire shorted to ground or B+.
3. Throttle pot defective.
4. Wrong throttle type selected.
1. BB wire open.
2. BB check wire open.
1. Improper seq. of KSI, brake, throttle inputs.
2. Wrong HPD type selected.
3. Misadjusted throttle pot.
1. Pot Low wire open.
2. Pot Low wire shorted.
3. Wrong throttle type selected.
1. Direction contactor coil shorted.
2. Shunt field shorted.
1. Direction contactor stuck closed.
1. Direction contactor coil open.
2. Direction contactor missing.
3. Shunt field open.
4. Wire to shunt or direction contactor open.
1. Battery voltage <16 volts.
2. Corroded battery terminal.
3. Loose battery or controller terminal.
1. Battery voltage >45 volts.
2. Vehicle operating with charger attached.
1. Temperature >855C or <±25 5C.
2. Excessive load on vehicle.
3. Improper mounting of controller.
4. Operation in extreme environments.
GB-13
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