Hitachi RPIL-1.0UNE1NH Service Manual page 31

2 . T R O U B L E S H O
2 . T R O U B L E S H O
Fault
Fault Description
code
1 Inverter DC voltage overload fault
2 Inverter DC low voltage fault
3 Inverter AC current overload fault
4 Out-of-step detection
Loss phase detection fault (speed
5
pulsation)
Loss phase detection fault (current
6
imbalance)
7 Inverter IPM fault (edge)
8 Inverter IPM fault (level)
9 PFC_IPM IPM fault (edge)
10 PFC_IPM IPM fault (level)
11 PFC power detection of failure
PFC overload current detection of
12
failure.
13 DC voltage detected abnormal .
14 PFC LOW voltage detected failure.
15 AD offset abnormal detected failure.
16 Inverter PWM logic set fault.
17 Inverter PWM initialization failure
18 PFC_PWM logic set fault.
19 PFC_PWM initialization fault.
20 Temperature abnormal.
Shunt resistance unbalance
21
adjustment fault
22 Communication failure.
23 Motor parameters setting of failure
25 EE data abnormal
26 DC voltage mutation error
27 D axis current control error
28 q axis current control error
Saturation error of d axis current
29
control integral
Saturation error of q axis current
30
control integral
O T I N G
O T I N G
Sheet 5 Drive Fault code(1.0/1.5/2.0/3.0HP）
Possible Reason of Abnormality
1.Power supply input too high or too
low;
2.Driver board fault.
1.Compressor phase lost；
2.Bad driver board components；
3.The compressor insulation fault
1.System overload or current
overload;
2.Driver board fault.
3.Compressor oil shortage, serious
wear of crankshaft ;
4.The compressor insulation fault
1.The power supply is not stable ;
2.The instantaneous power failure ;
3.Driver board failure.
1.System overload, current too high;
2.Driver board failure；
3.PFC failure；
1.Input voltage is too high or too low;
2.Driver board failure；
Driver board failure.
1.Communication wire connect not
well.
2.Driver board failure.
3.Control board failure.
Initialization abnormal.
Driver board EEPROM abnormal
1.Power input changes suddenly
2.Driver board failure
1.System overload，phase current is
too high;
2.Driver board failure
1.System overload，phase current is
too high；
2.Driver board failure
1. System overload suddenly;
2. Compressor parameter not
suitable;
3. Driver board failure
1. System overload suddenly;
2. Compressor parameter not
suitable;
3. Driver board failure
28
How to Deal With
1.Check power supply
2.Change driver board.
1.Check compressor wire connect；
2.Change driver board；
3.Change compressor.
1.Check the system .
2.Change driver board;
3.Change the compressor;
4.Change the compressor.
1.Check the power supply.
2.Not abnormal.
3.Change the driver board.
1.Check the system;
2.Change the driver board;
3.Change the PFC.
1.Check the power supply.
2.Change the driver board;
Change the driver board.
1.Check the wiring.
2.Change the driver board.
3.Change the control board.
Reset the power supply.
1.Change EEPROM；
2.Change driver board.
1.Check power supply，to provide
stable power supply；
2. Change driver board.
1.Check system if normally.
2.Check stop valve if is open;
3. Change driver board.
1.Check system if normally.
2.Check stop valve if is open;
3. Change driver board.
1.Check system if normally.
2.Check stop valve if is open;
3. Change driver board.
1.Check system if normally.
2.Check stop valve if is open;
3. Change driver board.