Ⅻ. Common Fault And Trouble Shooting - Hyundai 30EPER Operator's Manual

Ⅻ. Common faults and trouble shooting
1234 programmer fault menu and LED status display format
There are two LED lights (Red and Yellow) on the case of controller. The two LEDs have four different
display modes, indicating the type of information they are providing.
DISPLAY
Neither LED illuminated
Yellow LED flashing
Yellow and red LEDs both on solid.
Yellow and red LEDs flashing
alternatively.
Cod
Fault Display
e
Controller Overcurrent
(Shutdown Main Contactor;
1，2
Shutdown Motor;
Shutdown EM Brake.)
Current Sensor Fault
(Shutdown Main Contactor;
1，3
Shutdown Motor;
Shutdown EM Brake.)
Precharge Failed
(Shutdown Main Contactor;
1，4
Shutdown Motor;
Shutdown EM Brake. ）
Controller Severe Under temp
(Shutdown Main Contactor;
Shutdown Motor;
1，5
Shutdown EM Brake;
Shutdown Throttle;
Full brake)
Controller Severe Over temp
(Shutdown Main Contactor;
Shutdown Motor;
1，6
Shutdown EM Brake;
Shutdown Throttle;
Full Brake.)
Severe Under voltage
1，7
(Reduced drive torque.)
30
STATUS
Controller is not powered on, has a dead battery, or is
severely damaged.
Controller is operating normally.
Controller is in Flash program mode.
Controller has detected a fault.
Possible cause
1. External short of phase U, V, or W motor connections.
2. Motor parameters are mis-tuned.
3. Controller defective.
1. Leakage to vehicle frame from phase
U, V, or W (short in motor stator).
2. Controller defective.
1. External load on capacitor bank (B+ connection terminal) that
prevents the capacitor bank from charging.
2. See 1311 menu Monitor. Battery:
Capacitor Voltage.
1. Controller is operating in an extreme environment (below -40°C.)
2. See 1311 menu Monitor. Controller Temperature.
1. Controller is operating in an extreme environment.(over 95℃)
2. Excessive load on vehicle.
3. Improper mounting of controller.
4. See 1311 menu Monitor. Controller:
Temperature.
1. Battery Menu parameters are misadjusted.
2. Non-controller system drain on battery.
3. Battery resistance too high.
4. Battery disconnected while driving.