ABB ACH550-UH HVAC Manuale d'uso - Pagina 5

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ABB ACH550-UH HVAC Manuale d'uso
ACH550-UH User's Manual
Fault
Code
27
28
29
30
31
32
33
34
35
36
37
101
102
103
104
105
Fault Name In
Panel
Internal configuration file has an error. Contact your local ABB sales
CONFIG FILE
representative.
1
Fieldbus communication has timed out. Check for and correct:
SERIAL
ERR
• Fault setup (3018
• Communication settings (Group 51 or 53 as appropriate).
• Poor connections and/or noise on line.
Error in reading the configuration file for the embedded fieldbus.
EFB CONFIG
FILE
Fault trip forced by the fieldbus. See the fieldbus User's Manual.
FORCE TRIP
1
Fault code reserved for the embedded fieldbus (EFB) protocol application.
EFB
These codes are not used as of the publication of this manual.
2
EFB
3
EFB
Fault in the motor circuit. One of the motor phases is lost. Check for and
MOTOR PHASE
correct:
• Motor fault.
• Motor cable fault.
• Thermal relay fault (if used).
• Internal fault.
Possible power wiring error detected. When the drive is not running it
OUTPUT WIRING
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
The drive cannot use the software.
INCOMP
SWTYPE
• Internal Fault.
• The loaded software is not compatible with the drive.
• Call support representative.
Drive control board is overheated.
CB OVERTEMP
Check for and correct:
• Excessive ambient temperatures
• Fan failure.
• Obstructions in the air flow.
Error internal to the drive. Contact your local ABB sales representative and
SERF CORRUPT
report the error number.
RESERVED
SERF MACRO
RESERVED
RESERVED
Description and Recommended Corrective Action
COMM FAULT FUNC
WIRING FAULT
and 3019
COMM FAULT TIME
.
Diagnostics
1-285
).