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