Hitachi fault codes
Fault codes
- --- Undervoltage or power off
- ---- Undervoltage standby
- ADJUST ADJUST [number] S (not an error)
- ALARM LED steady on Overcurrent
- ALARM LED blink (on 0.3s/off 0.3s) Overload
- ALARM LED blink (on 1.5s/off 1.5s) Undervoltage
- ALARM LED blink (on 5s/off 0.3s) Storage element fault
- ALARM LED blink (on 5s/off 5s)+OV/R-OH LEDon Overvoltage
- B2C number Invalid data in soft memory element (NV-RAM)
- BER Braking fault
- CPU Microprocessor error
- CPU 1 CPU fault
- CPU 2 CPU fault
- DSE Excessive speed deviation
- E001 Overcurrent
- E005 Motor overload
- E006 Braking resistor overload
- E007 Overvoltage
- E008 Storage fault
- E009 Voltage insufficient fault
- E01 Overcurrent
- E010 Current detection fault
- E011 CPU fault
- E013 USP fault
- E014 Ground fault
- E015 Incoming overvoltage
- E02 Overcurrent
- E021 Temperature fault
- E022 CPU communication error
- E024 Input phase loss
- E025 Main circuit fault
- E03 Overcurrent
- E030 Drive fault
- E034 Input phase loss
- E035 Thermistor fault
- E036 Brake fault
- E039 Controller overload
- E04 Overcurrent
- E040 Operator panel communication error
- E041 RS485 communication error
- E042 RTC fault
- E044 EzSQ nesting count fault
- E05 Overload
- E06 Braking resistor overload
- E069 Option 1 fault 9
- E07 Overvoltage
- E08 EEPROM error
- E09 Undervoltage
- E091 STO internal fault
- E1 PM. Drive
- E10 CT Error
- E100 Encoder open
- E105 Speed deviation fault
- E107 Overspeed
- E11 CPU Error
- E110 Contactor fault
- E12 External trip
- E120 PID start fault
- E13 USP Error
- E14 GND. Flt
- E15 Input overvoltage
- E16 Momentary power-loss protection
- E2 PM. Decel
- E21 Thermal relay protection
- E22 CPU fault
- E23 Gate array fault
- E24 Phase loss
- E3 PM. Accel
- E30 IGBT fault
- E35 PTC fault
- E36 Braking fault
- E4 PM overtemperature at stop/internal power supply fault
- E5 Over. L
- E6 Regenerative braking use time exceeds BRD%ED setting
- E60 Communication error
- E60-E69 Option 1 error 0-9
- E7 Over. V
- E70-E79 Option 2 error 0-9
- E8 E² PROM Error
- E9 Under. V
- EXTERNAL External trip
- Err06 Constant speed overcurrent during operation
- Err10 Constant speed overvoltage during operation
- GND Flt Ground fault protection
- GND. Flt Ground fault
- Inst. P-F Instantaneous power failure
- NDc Communication disconnected
- OC. Accel Overcurrent during motor acceleration
- OC. Decel Overcurrent during motor deceleration
- OC. Drive Overcurrent during constant motor operation
- OD PID excessive deviation
- OD2 PID2 excessive deviation
- OD3 PID3 excessive deviation
- OD4 PID4 excessive deviation
- OH FIN Thermal sensor protection
- OH Fin Fin overheat temperature rise
- OV SRC Overvoltage source (High line voltage)
- OV. SRC Overvoltage
- OVS Power supply overvoltage
- Over C. Overcurrent detection just after power on
- Over L. Inverter overload (overloaded operation)
- Over V. DC bus voltage (overvoltage)
- Over. C Overcurrent
- Over. L Overload
- Over. V Overvoltage
- PDD Excessive position deviation
- PTC PTC fault
- R-ERROR Communication error
- USP USP fault
- UV WAIT Low input voltage at automatic restart
- Under V. Under power supply voltage
- Under. V Undervoltage