
370 Diagnostics and maintenance
ACH550-01 User's Manual
34
MOTOR PHASE Fault in the motor circuit. One of the motor
phases is lost. Check for and correct:
• motor fault
• motor cable fault
• thermal relay fault (if used)
• internal fault.
35 OUTP WIRING Error in power wiring suspected. Check for
and correct:
• input power wired to drive output
• earth faults.
36 INCOMPATIBLE
SW
Loaded software is not compatible with the
current drive type. Contact your local ABB
representative (see page 441).
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 (see page 441).
201
…
299
SYSTEM ERROR Error in the system. Contact your local ABB
representative and report the error number
(see page 441).
Fault
code
Fault name in
the panel
Description and
recommended corrective action
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