Cause Of Inverter Stoppage - Hitachi RAS-(3-6)HVRNM2E Service Manual

8 Troubleshooting

Cause of inverter stoppage (11)

Indication
IPM, ISPM, DIP-IPM error
1
Instantaneous Over Current
2
Inverter Fin Thermistor Protection Activation
3
Electronic Thermal Activation
4
Inverter Voltage Decrease
5
Over Voltage
6
Abnormal Transmission
7
Abnormal Current Detection
8
Instantaneous Power Failure Detection
9
Reset of Micro-Computer for Inverter
11
Earth Fault Detection from Compressor
12
Open Phase Detection
13
Inverter Malfunction
14
Inverter Malfunction
15
Inverter Malfunction
16
Transmission Error
17
Abnormal Current Detection
18
Abnormal Protective Device
19
N O T E
• To finish checking: Press the PSW2 switch for more than 3 seconds.
292
SMGB0064 rev.0 - 08/2011
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