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Maintenance
External unit error list
INVERTER ERROR LIST
INVERT-
ER
DESCRIPTION
ERROR
1
Heat Sink-Overheat
2
Compressor Ipm Over-Current
3
Compressor Fail To Drive
4
Compressor Over-Current
5
Input Voltage Lack Of Phase
6
Compressor Ipm Current Sampling Failure
Compressor Drive Capacitors Precharge
7
Failure
8
Dc Bus Over-Voltage
9
Dc Bus Under-Voltage
10
Ac Input Under-Voltage
11
Ac Input Over-Current
12
Ac Input Voltage Sampling Failure
13
Dsp&Pfc Communication Error
14
Heat Sink Sensor Error
15
Dsp&Mcu Communication Error
16
Abnormal Communication With Main Board
17
Ipm Module Over-Heat
18
Compressor model fault
19
High Pressure Protection
21
Fan1 Fail To Drive
27
Fan1 Over-Current
29
Fan1 1ph Error
35
High pressure switch protection
36
Ow pressure switch protection
37
Klixon protection
38
Inter-boards communication error
39
IPM over current
40
Fail to drive the compressor
41
Compressor over current
42
IPM current sampling failure
43
Heat-sink over-heat
44
Fail to Precharge
45
DC bus over voltage
46
DC bus under voltage
47
AC input under-voltage
48
AC input over-current
49
compressor emergency stop
50
AC input voltage sampling fault
51
Heat-sink sensor error
52
DSP & MCU communication error
Abnormal communication with IDU control
53
board
34 / GB
INVERTER ERROR LIST
INVERT-
ER
DESCRIPTION
1ph 3ph
ERROR
1
COMPRESSOR U CURRENT SENSOR FAULT=1
x
x
2
COMPRESSOR V CURRENT SENSOR FAULT
x
3
COMPRESSOR W CURRENT SENSOR FAULT
x
4
PFC CURRENT SENSOR FAULT
x
x
5
IPM TEMPERATURE SENSOR FAULT
x
6
PFC TEMPERATURE SENSOR FAULT
x
7
DLT SENSOR FAULT
8
COMMUNICATION LOST FAULT
x
9
EEPROM FAULT
x
10
AC OVER CURRENT FAULT
x
11
AC OVER VOLTAGE FAULT
12
AC UNDER VOLTAGE FAULT
x
13
DC OVER VOLTAGE FAULT
x
14
DC UNDER VOLTAGE FAULT
x
15
HIGH PRESSURE FAULT
x
16
INPUT LOSE OF PHASE FAULT
x
17
IPM OVER HEAT FAULT
x
18
IGBT OVER HEAT FAULT
x
19
COMPRESSOR CODE FAULT
20
COMPRESSOR HW OVER CURRENT
x
21
COMPRESSOR U PHASE OVER CURRENT
x
x
22
COMPRESSOR V PHASE OVER CURRENT
x
x
23
COMPRESSOR W PHASE OVER CURRENT
x
24
COMPRESSOR LOSE OF PHASE
x
25
COMPRESSOR STEP OUT
x
26
COMPRESSOR STARTUP FAILURE
x
x
27
COMPRESSOR PHASE CURRENT IMBALANCED
x
x
28
COMPRESSOR OVER LOAD
29
COMPRESSOR DLT OVER TEMPERATURE
x
x
30
IPM DESAT PROTECTION
x
31
PFC HW OVER CURRENT
x
32
PFC SW OVER CURRENT
x
33
PFC OVER VOLTAGE
x
34
AD FAULT
x
35
WRONG ADDRESSING
x
36
SPEED LESS THAN ZERO
37
COMPRESSOR CURRENT NOT CHANGE
x
38
CURRENT FREQ IS MISMATCH WITH SPEED CALC
x
39
COMPRESSOR CURRENT CHANGE TOO FAST
x
40
FAIL TO DRIVE THE FAN
x
41
HIGH PRESSURE SWITCH PROTECTION
x
42
LOW PRESSURE SWITCH PROTECTION
x
43
KLIXON ON COMPRE HEAD PROTECTION
x
x
x
x
ODU 9-11 1-PHASE
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