FAULT TRACING vacon • 27
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6
6. FAULT TRACING
Fault code Fault name Fault code Fault name
1
Overcurrent
22
EEPROM checksum fault
2
Overvoltage
25
Microcontroller watchdog
fault
3
Earth fault
27
Back EMF protection
8
System fault
34
Internal bus communication
9
Undervoltage
35
Application fault
11
Output phase fault
41
IGBT Overtemperature
13
Frequency converter
undertemperature
50
Analog input select 20% -
100% (selected signal range
4 to 20 mA or 2 to 10 V)
14
Frequency converter over-
temperature
51
External fault
15
Motor stalled
53
Fieldbus fault
16
Motor overtemperature
55
Wrong run fault
17
Motor underload
57
Idenfication fault
Table 6.1: Fault codes. See User Manual for detailed fault descriptions.
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