55
11.3
11.311.3
11.3 
 
 Inverter Fault Codes
Inverter Fault CodesInverter Fault Codes
Inverter Fault Codes 
 
 
 
LCD Display Message  Data 
(Hex) 
Explanation 
NO ERROR
××00 
No error has been recorded since the last inverter reset or trip clear 
OVERCURRENT (ACCEL)
(PRESS CLEAR)
××01 
Overcurrent during acceleration 
OVERCURRENT (DECEL)
(PRESS CLEAR)
××02 
Overcurrent during deceleration 
OVERCURRENT (RUN)
(PRESS CLEAR)
××03 
Overcurrent during constant-speed run 
LOAD-END OVERCURRENT
(PRESS CLEAR)
××04 
Load-end overcurrent detected at start-up (output terminals, motor 
wiring etc.) 
U-PHASE SHORT CKT
(PRESS CLEAR)
××05 
U-phase armature short circuit 
V-PHASE SHORT CKT
(PRESS CLEAR)
××06 
V-phase armature short circuit 
W-PHASE SHORT CKT
(PRESS CLEAR)
××07 
W-phase armature short circuit 
LOST INPUT PHASE
(PRESS CLEAR)
××08 
Lost input phase (option) 
LOST OUTPUT PHASE
(PRESS CLEAR)
××09 
Lost output phase (option) 
OVERVOLTAGE (ACCEL)
(PRESS CLEAR)
××0A 
Overvoltage during acceleration 
OVERVOLTAGE (DECEL)
(PRESS CLEAR)
××0B 
Overvoltage during deceleration 
OVERVOLTAGE (RUN)
(PRESS CLEAR)
××0C 
Overvoltage during constant-speed run 
INVERTER OVERLOAD
(PRESS CLEAR)
××0D 
Inverter overload 
MOTOR OVERLOAD
(PRESS CLEAR)
××0E 
Motor overload 
DBR OVERLOAD TRIP
(PRESS CLEAR)
××0F 
Dynamic braking resistor overload 
OVERHEAT TRIP
(PRESS CLEAR)
××10 
Inverter overheat 
EMERGENCY OFF
(PRESS CLEAR)
××11 
Emergency off 
EEPROM WRITE FAILURE
(PRESS CLEAR)
××12 
EEPROM failure during write 
EEPROM READ FAILURE
(PRESS CLEAR)
××13 
EEPROM failure during initial read 
××14 
Unused 
RAM ERROR
(PRESS CLEAR)
××15 
RAM error 
ROM ERROR
(PRESS CLEAR)
××16 
ROM error 
CPU ERROR
(PRESS CLEAR)
××17 
CPU error 
COMMUNICATION ERROR
(PRESS CLEAR)
××18 
RS232C timer time-out 
GATE ARRAY FAULT
(PRESS CLEAR)
××19 
Gate array error