ABB PQFA, Instruction Manual

Page: 92 / 98

PQFA Instructions Manual
Asea Brown Boveri Jumet S.A.
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
code Error message Possible causes Actions
1 IGBT fault
? ?
Too high IGBT
temperature (thermal
protection)
? ?
Too high
instantaneous current
level (short-circuit
protection)
? ? Supply voltage of
IGBT drivers too low
? ?
Visual inspection of
IGBT bridge
? ?
After checking bridge
condition, push on
the ‘RESET’ button of
the door. If the red
LED on the IGBT
domino board
remains on, contact
immediately your
ABB service provider
? ?
Check correct
rotation of fan,
associated contactor
(K101) and thermal
relay.
2 Filter over-
current Too high output current
of the filter (short-circuit
protection)
? ?
Inspect IGBT bridge
? ?
Inspect
?
15V power
supply (U100)
? ?
Inspect internal
current sensors
(B101/102/103)
3 AC overvoltage Grid voltage rises to
unacceptable levels
Measure AC RMS
voltage for the three
phases and check if it is
within limits
LEVEL 1
? Filter status?
Network status
Waveform
Spectrum