PCS100 UPS-I User Manual
404
I
F
IGBT Gate drive
IGBT desaturation detected
Failure'
without the IGBT being switched.
Desaturation is a failsafe fault, so
this indicates a fault in the IGBT
driving components.
Table 11-2: PCS100 UPS-I Event Descriptions
Power down and restart. If
the fault is not resolved
contact your ABB Service
Agent to have relevant
module replaced.
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