ABB ACH550-01 User Manual page 381

Fault Fault name in
code the panel
34
MOTOR PHASE
35
OUTP WIRING
36
INCOMPATIBLE
SW
37
CB OVERTEMP
38
USER LOAD
CURVE
101
SYSTEM ERROR
...
199
201
SYSTEM ERROR
...
299
376
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Description and
recommended corrective action
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.
Incorrect input power and motor cable
connection (i.e., input power cable is
connected to drive motor connection). The
fault can be erroneously declared if the drive
is faulty or the input power is a delta
grounded system and the motor cable
capacitance is large.
This fault can be disabled by using
parameter 3023
WIRING FAULT
• Check input power connections. Check
grounding.
Loaded software is not compatible with the
current drive type. Contact your local ABB
representative.
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.
Condition defined by parameter 3701
has been valid longer than the
LOAD C MODE
time defined by 3703
Error internal to the drive. Contact your local
ABB representative and report the error
number.
Error in the system. Contact your local ABB
representative and report the error number.
Diagnostics and maintenance
ACH550-01 User's Manual
.
USER LOAD C TIME
USER
.