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Protect PV.630 Operating Instructions
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6.2 Table of Faults
The monitoring systems listed below will cause the inverter to switch off, are self-
acknowledging or signalling and are shown on the DOU with corresponding plain text:
Temperature monitoring systems
Fault/Message
Deac-
tivat-ing
Self-
acknow-led
ging
Signalling
DOU message
IGBT 1 stack temperature warning X !Equipment temperature fault!
IGBT 2 stack temperature warning X !Equipment temperature fault!
IGBT 1 stack temperature fault X #Equipment temperature fault#
IGBT 2 stack temperature fault X #Equipment temperature fault#
IGBT supply air undertemperature X !Ambient temperature fault!
IGBT supply air temperature
warning
X !Ambient temperature fault!
IGBT supply air temperature fault X #Ambient temperature fault#
Unit exhaust air 1
temperature warning
X !Equipment temperature fault!
Unit exhaust air 2
temperature warning
X !Equipment temperature fault!
Unit exhaust air 1
temperature fault
X #Equipment temperature fault#
Unit exhaust air 2
temperature fault
X #Equipment temperature fault#
Equipment supply air under-
temperature
X !Ambient temperature fault!
Unit supply air temperature warn-
ing
X !Ambient temperature fault!
Unit supply air temperature fault X #Ambient temperature fault#
Temperature sensor fault
IGBT 1 stack
X #Temperature sensor fault#
Temperature sensor fault
IGBT 2 stack
X #Temperature sensor fault#
Temperature sensor fault
IGBT supply air temperature
X #Temperature sensor fault#
Temperature sensor fault
unit exhaust air 1 temperature
X #Temperature sensor fault#
Temperature sensor fault
unit exhaust air 2 temperature
X #Temperature sensor fault#
Temperature sensor fault unit
supply air temperature
X #Temperature sensor fault#
IGBT difference current deviation X !Difference current deviation!