Troubleshooting Check List - Presto Lifts Power Stak PPS3000-125AS Installation, Operation And Service Manual

PROGRAMMER LCD DISPLAY
CODE
EFFECT OF FAULT
12 Controller Overcurrent
Shutdown Motor;
Shutdown Main Contactor;
Shutdown EM Brake;
Shutdown Throttle;
Full Brake;
Shutdown Pump.
13 Current Sensor Fault
Shutdown Motor;
Shutdown Main Contactor;
Shutdown EM Brake;
Shutdown Throttle;
Full Brake;
Shutdown Pump.
14 Precharge Failed
Shutdown Motor;
Shutdown Main Contactor;
Shutdown EM Brake;
Shutdown Throttle;
Full Brake;
Shutdown Pump.
15 Controller Severe Undertemp
Shutdown Motor;
Shutdown Main Contactor;
Shutdown EM Brake;
Shutdown Throttle;
Full Brake;
Shutdown Pump.
16 Controller Severe Overtemp
Shutdown Motor;
Shutdown Main Contactor;
Shutdown EM Brake;
Shutdown Throttle;
Full Brake;
Shutdown Pump.
17 Severe Undervoltage
Reduced drive torque.
18 Severe Overvoltage
Shutdown Motor;
Shutdown Main Contactor;
Shutdown EM Brake;
Shutdown Throttle;
Full Brake;
Shutdown Pump.
PRESTO OWNER'S MANUAL
1. External short of phase U,V, or W motor connections.
2. Motor parameters are mis-tuned.
3. Controller defective.
4. Speed encoder noise problems.
1. Leakage to vehicle frame from phase U, V, or W (short motor stator).
2. Controller defective.
2. External load on capacitor bank (B+ connection terminal) that prevents
the capacitor bank from charging.
1. See Monitor menu Battery: Capacitor Voltage.
1. See Monitor menu Controller: Temperature.
2. Controller is operating in an extreme environment.
1. See Monitor menu Controller: Temperature.
2. Controller is operating in an extreme environment.
3. Excessive load on vehicle.
4. Improper mounting of controller.
1. Battery Menu parameters are misadjusted.
2. Non-controller system drain on battery.
3. Battery resistance too high.
4. Battery disconnected while driving.
5. See Monitor menu Battery: Capacitor Voltage.
6. Blown B+ fuse or main contactor did not close.
1. See Monitor menu Battery: Capacitor Voltage.
2. Battery menu parameters are misadjusted.
3. Battery resistance too high for given regen current.
4. Battery disconnected while regen braking.
Page 16
POSSIBLE CAUSE
POWER STAK