
258 ACS550-01/U1 User’s Manual
Diagnostics
Faults that indicate conflicts in the parameter settings are listed below.
36 INCOMPATIBLE
SW
The drive cannot use the software.
• Internal fault.
• The loaded software is not compatible with the drive.
• Call support representative.
37
CB OVERTEMP Drive control board is overheated. The fault trip limit is 88 °C. Check for and
correct:
• Excessive ambient temperature.
• Fan failure.
• Obstructions in the air flow.
Not for drives with an OMIO control board.
38
USER LOAD
CURVE
Condition defined by parameter 3701 USER LOAD C MODE has been valid
longer than the time defined by 3703
USER LOAD C TIME.
101…
199
SYSTEM ERROR Error internal to the drive. Contact your local ABB representative and report
the error number.
201…
299
SYSTEM ERROR Error in the system. Contact your local ABB representative and report the
error number.
-
UNKNOWN
DRIVE TYPE:
ACS550
SUPPORTED
DRIVES: X
Wrong type of panel, i.e. panel that supports drive X but not the ACS550,
has been connected to the ACS550.
Fault
code
Fault name in
panel
Description and recommended corrective action
1000
PAR HZRPM Parameter values are inconsistent. Check for any of the following:
• 2001
MINIMUM SPEED > 2002 MAXIMUM SPEED.
• 2007 MINIMUM FREQ > 2008 MAXIMUM FREQ.
• 2001
MINIMUM SPEED / 9908 MOTOR NOM SPEED is outside proper range
(> 50).
• 2002
MAXIMUM SPEED / 9908 MOTOR NOM SPEED is outside proper range
(> 50).
• 2007 MINIMUM FREQ / 9907 MOTOR NOM FREQ is outside proper range
(> 50).
• 2008
MAXIMUM FREQ / 9907 MOTOR NOM FREQ is outside proper range
(> 50).
1001
PAR PFC REF
NEG
Parameter values are inconsistent. Check for the following:
• 2007
MINIMUM FREQ is negative, when 8123 PFC ENABLE is active.
1002 RESERVED Not used.
1003
PAR AI SCALE Parameter values are inconsistent. Check for any of the following:
• 1301
MINIMUM AI1 > 1302 MAXIMUM AI1.
• 1304
MINIMUM AI2 > 1305 MAXIMUM AI2.
1004
PAR AO SCALE Parameter values are inconsistent. Check for any of the following:
• 1504
MINIMUM AO1 > 1505 MAXIMUM AO1.
• 1510
MINIMUM AO2 > 1511 MAXIMUM AO2.
Fault
code
Fault name in
panel
Description and recommended corrective action
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