ABB ACH580 Series Installation, Operation And Maintenance Manual page 111

ACH580 Ultra-Low Harmonic Drives Installation, Operation and Maintenance Manual
Fault
Code
3020
3021
3022
3023
3024
3027
3028
3029
3030
Fault Name In
Panel
PHASE SEQ Sequence of 3 phase
voltage input is such
that bypass operation
will result in motor
rotation opposite of
drive forward
operation.
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
Fault Possible Cause
Phase sequence
unknown at time of
wiring
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.
111
Corrective Action
Swap any two of the
three input wires to the
bypass unit
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-HELP-365
Option 4
Check Group 51 & 58
Tighten Connections
Check Communication
Cable Grounding
Cycle Power
Replace RBCU
Check Overriding
Control System
ACH580-3BCR/BDR