ABB PQFA Instruction Manual page 92

Select the filter status submenu with the ? key and press OK.
Display the ? key to display the error message.
The following table gives an overview of the error messages and codes that
can be encountered, the possible causes and the recommended actions.
Error Error message
code
1 IGBT fault
2 Filter
current
3 AC overvoltage
LEVEL 1
? Filter status?
Network status
Waveform
Spectrum
Possible causes
? ?
Too high
temperature (thermal
protection)
? ?
Too
instantaneous current
level (short-circuit
protection)
? ?
Supply
IGBT drivers too low
over- Too high output current
of the filter (short-circuit
protection)
Grid voltage rises to
unacceptable levels
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PQFA Instructions Manual
Actions
? ?
IGBT Visual inspection of
IGBT bridge
? ?
After checking bridge
high condition, push on
the ' RESET' button of
the door. If the red
LED on the IGBT
voltage of domino
remains on, contact
immediately
ABB service provider
? ?
Check
rotation
associated contactor
(K101) and thermal
relay.
? ?
Inspect IGBT bridge
Inspect ? 15V power
? ?
supply (U100)
? ?
Inspect
current
(B101/102/103)
Measure
voltage for the three
phases and check if it is
within limits
board
your
correct
of fan,
internal
sensors
AC RMS
92