TICA P70131000000, Manual

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Fault code Notes
Not operating
Over-current protection for constant speed
operation
Over-current protection for frequency reducing
Over-current protection for frequency increasing
Over-current protection when power off
Overload protection
Over voltage protection
EEPROM module fault
Low voltage protection
CT fault
CPU fault
Grounding failure protection
Over voltage input protection
Power supply module temperature fault (fan
stops)
Power supply module temperature fault
Main circuit fault
Operating fault
Thermistor fault
Communication fault (RS485)
Hitachi drive fault diagnosis (E007/E031)
1. Connect to monitor software
2. Observe the following error codes of C1/C2 marked by circles
3. Make diagnosis based on error codes of FAN and left diagram
Name Master unit
Slave unit 1
C1 speed:
C2 speed:
C1 temperature:
C1 error code:
C2 temperature:
C2 error code:
FAN1 current:
FAN1 error code:
FAN2 current:
FAN2 error code:
FAN1 set speed:
FAN2 set speed:
HC1:
HC2:
Total running duration of C1:
Total running duration of C2:
Hitachi compressor drive overload troubleshooting (Voltage of bus line)
Measure voltage of bus line and connect a
multimeter to the line with positive electrode to
P and negative electrode to N
When power supply is connected, voltage
between P and N should be 540V (±20V)
If voltage of bus line is too high or too low,
check rectifying circuit of an upper level