ACH550-UH User’s Manual 1-283
Diagnostics
27 CONFIG FILE Internal configuration file has an error. Contact your local ABB sales
representative.
28
SERIAL 1 ERR Fieldbus communication has timed out. Check for and correct:
• Fault setup (3018
COMM FAULT FUNC and 3019 COMM FAULT TIME).
• Communication settings (Group 51 or 53 as appropriate).
• Poor connections and/or noise on line.
29
EFB CONFIG
FILE
Error in reading the configuration file for the embedded fieldbus.
30
FORCE TRIP Fault trip forced by the fieldbus. See the fieldbus User’s Manual.
31 EFB 1 Fault code reserved for the embedded fieldbus (EFB) protocol application.
These codes are not used as of the publication of this manual.
32 EFB 2
33
EFB 3
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
OUTPUT WIRING Possible power wiring error detected. When the drive is not running it
monitors for an improper connection between the drive input power and the
drive output. Check for and correct:
• Proper input wiring – line voltageis NOT connected to drive output.
• The fault can be erroneously declared if the input power is a delta
grounded system and motor cable capacitance is large. This fault can be
disabled using parameter 3023 WIRING FAULT.
36 INCOMP
SWTYPE
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.
Check for and correct:
• Excessive ambient temperatures
• Fan failure.
• Obstructions in the air flow.
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
SERF CORRUPT Error internal to the drive. Contact your local ABB sales representative and
report the error number.
102
RESERVED
103 SERF MACRO
104 RESERVED
105 RESERVED
Fault
Code
Fault Name In
Panel
Description and Recommended Corrective Action
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