ABB PQFA, Instruction Manual

Page: 94 / 98

PQFA Instructions Manual
Asea Brown Boveri Jumet S.A.
94
Error
code Error message Possible causes Actions
96 Soft DC
overvoltage DC voltage on DC bus is
out of normal range
(overvoltage) ? ?
Inspect
?
15V power
supply (U100)
? ?
Inspect internal
current sensor
(B101/102/103)
? ? Inspect visually DC
voltage divider and
wiring
97 Soft DC
undervoltage DC voltage on DC bus is
out of range
(undervoltage)
? ?
Inspect DC voltage
measurement circuit
? ? Inspect
?
15V power
supply (U100)
? ?
Inspect internal
current sensor
98 Soft AC
undervoltage AC voltage is out of
range (undervoltage)
? ?
Check network
voltages on three
phases voltage
? ?
Check AC
measurement circuit
99 Soft synchro
fault The system
desynchronises from the
network ? ? Check phase rotation
order of filter supply
? ?
Check network
frequency and
variation to see one
within acceptable
limits
? ?
Check voltage level
of the supply system
112 Preload
timeout The preloading of the
DC bus takes an
abnormally long time. Check preloading circuit
system.
113 DSP stopped
system DSP decision to stop the
system. Contact immediately
your ABB service
provider.
114 Main breaker
trip
? ?
Power breaker not
closed after being
energised
? ?
Undervoltage on AC
grid
? ?
Check auxiliary
contact of main
breaker and
associated circuit
? ?
Check that grid AC
voltage is high
enough (within
tolerance)
115 DSP bus fault The DSP has stopped
communicating Contact immediately
your ABB service
provider.
116 EEPROM
corrupted Internal memory
corrupted Contact immediately
your ABB service
provider.