ABB DriveIT ACH550-UH - Page 215

ACH550-UH User’s Manual 215
Diagnostics
18 THERM FAIL Internal fault. The thermistor measuring the internal temperature of the
drive is open or shorted. Contact your local ABB sales representative.
19
OPEX LINK Internal fault. A communication-related problem has been detected on the
fiber optic link between the OITF and OINT boards. Contact your local ABB
sales representative.
20 OPEX PWR Internal fault. Low voltage condition detected on OINT power supply.
Contact your local ABB sales representative.
21
CURR MEAS Internal fault. Current measurement is out of range. Contact your local ABB
sales representative.
22
SUPPLY PHASE Ripple voltage in the DC link is too high. Check for and correct:
• Missing mains phase.
• Blown fuse.
23
ENCODER ERR Not used (Available only with encoder and parameter group 50).
24 OVERSPEED Motor speed is greater than 120% of the larger (in magnitude) of 2001
MINIMUM SPEED or 2002 MAXIMUM SPEED. Check for and correct:
• Parameter settings for 2001 and 2002.
• Adequacy of motor braking torque.
• Applicability of torque control.
• Brake chopper and resistor.
25
RESERVED Not used as of the publication of this manual.
26
DRIVE ID Internal fault. Configuration Block Drive ID is not valid. Contact your local
ABB sales representative.
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 fieldbus adapter.
30 FORCE TRIP Fault trip forced by the fieldbus. See the fieldbus User’s Manual.
31 EFB 1 Fault code reserved for the 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 Error in power wiring suspected. Check for and correct:
• Input power wired to drive output.
• Ground faults.
36
INCOMP
SWTYPE
The wrong software has been loaded onto the drive. Either standard (ACS)
software has been loaded onto an ACH drive, or HVAC (ACH) software has
been loaded on an ACS drive.
Fault
Code
Fault Name In
Panel
Description and Recommended Corrective Action