SDRIVE 700
POWER ELECTRONICS
100
FAULT MESSAGES. DESCRIPTIONS AND ACTIONS
11.2.
Procedure for Fault Solutions
DISPLAY
POSSIBLE CAUSE
ACTIONS
F0 NO FAULT
Motor output short circuit:
Wiring fault.
Circuit fault.
F1 I LIM FLT
Motor fault.
Check output cables and motor for possible wiring
faults or short circuits.
High voltage peak on the input.
High load regeneration.
F2 V LIM FLT
Deceleration ramp too high (parameters ‘G5.2
DECEL1’ and ‘G5.4 DECEL2’).
Check conditions of input power supply. Decrease
deceleration ramps.
F3 PDINT FLT
See faults F1 and F2.
See faults F1 and F2.
Short circuit.
Extreme over current, equipment overload.
Wiring fault; circuit fault.
F4 U+ DESAT
F5 U- DESAT
F6 V+ DESAT
F7 V- DESAT
F8 W+ DESAT
F9 W- DESAT
Desaturation of IGBT; IGBT fault.
Check if there are possible wiring faults or a motor
fault. If the fault persists after disconnecting output
wires request technical assistance.
Short circuit.
Extreme over current; equipment overload.
Wiring fault; circuit fault.
F10 NEG DESAT
Desaturation of IGBT; IGBT fault.
Check conditions of input power supply and wiring
conditions.
Input power is incorrect, damaged fuses.
Check conditions of input power supply.
F11 VIN LOSS
Input wiring is incorrect.
Check wiring.
Input power is incorrect, damaged fuses.
Check conditions of input power supply.
F12 IMB V IN
Input wiring is incorrect.
Check wiring.
Input power is incorrect.
Check input power conditions.
F13 HI V IN
Incorrect setting of parameter ‘G11.6 HIGH VOLT’.
Check parameters settings.
Input power is incorrect, damaged fuses.
Check input power conditions.
F14 LW V IN
Incorrect setting of parameter ‘G11.4 LOW VOLT’.
Check parameters settings.
Input power is incorrect.
Motor is driving an unstable load.
F15 CURL Vdc
One of the input fuses is damaged.
Check input power conditions, load type of the
application, and all of the motor mechanical parts.
If the fault persists after disconnecting output wires,
request technical assistance.
High voltage peak on the input.
Check conditions of input power supply.
High load regeneration.
Check stop conditions of the drive.
F16 HI Vdc
Deceleration ramp too high (parameters ‘G5.2
DECEL1’ and ‘G5.4 DECEL2’).
Decrease deceleration ramps.
F17 LW Vdc
Input power is wrong, damaged fuses.
Check conditions of input power supply.
Motor is driving an unstable load.
Motor wiring fault.
F18 IMB V OUT
Motor is wrong.
Check motor circuit completely in case of possible
wiring faults or motor fault. If the fault persists after
disconnecting output wires, request technical
assistance.
Motor is supporting unstable loads.
Motor wiring fault.
F19 IMB I OUT
Motor is wrong.
Check motor circuit completely in case of possible
wiring faults or motor fault.
Motor or wiring has short-circuited to ground.
Disconnect the motor and wiring of the SD700 and
check motor insulation.
F20 GROUND FLT
Ground is incorrectly connected or wrong.
Check and improve the ground connection system.
F21 I LIM T/O
Motor stalled. Heavy load.
Motor mechanical brake is coupled.
Check the motor load.
Increase maximum current limit.
F22 TQ LIM T/O
Motor stalled. Heavy load.
Motor mechanical brake is coupled.
Check the motor load.
Increase maximum torque limit.
