ABB ACH580 Series Installation, Operation And Maintenance Manual page 126

126
Fault
Code
3021
3022
3023
3024
3027
3028
3029
3030
3031
...
3033
3034
ACH580 E-Clipse Bypass
Fault Name In
Panel
PH A CURR FBK Fault is generated when
current in Phase A is
detected and the bypass
contactor is open
PH C CURR FBK Fault is generated when
current in Phase C is
detected and the bypass
contactor is open
BYP COIL Coil characteristics are
SHORTED checked only on power
up and coil current is
greater than allowable
values
DRV COIL Coil characteristics are
SHORTED checked only on power
up and coil current is
greater than allowable
values
INVALID SUB ASM Contactor assembly as
recorded in the RBCU
unit does not match
drive information
communicated via 485
link
EXT COMM LOSS Time between fieldbus
messages has
exceeded timeout
interval set with
parameter 3005
EFB CONFIG FILE Error reading
configuration file for
embedded fieldbus
FORCE TRIP Fault trip forced by
external fieldbus
EFB 1...EFB 3 Fault code reserved for
embedded fieldbus.
MTR PHASE Detects open motor
phase. Detection is
done by current
transformers in bypass
unit.
ACH580 Installation, Operation and Maintenance Manual
Fault Possible Cause
Loose CT connection
Bad RBCU
Bad CT
Loose CT connection
Bad RBCU
Bad CT
Shorted contactor coil
Shorted/damaged cable
Bad RBCU
Shorted contactor coil
Shorted/damaged cable
Bad RBCU
RBCU unit from a
different size bypass
used to replace a
defective RBCU.
Parameters not matched
after Firmware change.
Incorrect
Communication settings
in Group 51 & 53.
Poor Connections
Noise on
Communication Line
Internal Startup error
Overriding Control
System tripped E-Clipse
unit via fieldbus.
For Bacnet: Device
object instances for the
drive and or bypass are
set greater than
4194302 in parameters
5011 5017 and or 5311
5317 respectively
Internal problem
Cable problem
Motor problem
Corrective Action
Check J2 connector for
proper seating
Check connector on
Current Assembly
Replace RBCU
Replace RCSA unit
Check J2 connector for
proper seating
Check connector on
Current Assembly
Replace RBCU
Replace RCSA unit
Replace RBCU
Replace RCSA unit
Replace RBCU
Replace RCSA unit
Contact ABB at
1-800-752-0696
option 1
Check Group 51 & 58
Tighten Connections
Check Communication
Cable Grounding
Cycle Power
Replace RBCU
Check Overriding
Control System
Check Parameters
5011, 5017 and/or 5811,
5817
Check wiring in E-Clipse
Unit
Check motor cabling
Check Motor
Check if 3006 is
Disabled