Correcting Faults - ABB ACH580 Series User Manual

186

Correcting faults

The recommended corrective action for faults is:
• Use the following
problem.
• Reset the system.
Fault listing
Fault
Code
3001
3002
3003
3004
3005
Diagnostics
Fault listing
Fault Name
Fault
In Panel
COIL CURR RBCU is sensing
FBK abnormal current
feedback when neither
contactor should be
energized
BYP CNTACT M2 contactor indicates it
STUCK is not prepared to move
on a power up check of
the contactor or after
contact is commanded
to open
DRV CNTACT M1 contactor indicates it
STUCK is not prepared to move
on a power up check of
the contactor or after
contact is commanded
to open
BYPASS M2 contactor will not
COIL OPEN close when commanded
to do so
DRIVE COIL M1 contactor will not
OPEN close when commanded
to do so
ACH580 E-Clipse bypass and packaged drive user manual
table to find and address the root cause of the
Possible Cause
Defective component
on RBCU
Defective Contactor
Defective RBCU
Defective Contactor
Defective RBCU
Loose J8 connector
on RBCU
Loose wires on
contactor terminals
A1 and/or A2
Bad Output on
RBCU
Bad Contactor
Loose J8 connector
on RBCU
Loose wires on
contactor terminals
A1 and/or A2
Bad Output on
RBCU
Bad Contactor
Corrective Action
Change RBCU
Disconnect incoming power
from unit
Check if contactor armature
moves freely. If armature
moves freely, then change the
RBCU. If armature does not
move freely, then change
individual contactor (M2) or
the complete assembly
(RCSA-0x)
Disconnect incoming power
from unit
Check if contactor armature
moves freely. If armature
moves freely, then change the
RBCU. If armature does not
move freely, then change
individual contactor (M1) or
the complete assembly
(RCSA-0x)
Verify that J8 connector is
firmly seated.
With incoming power
disconnected, check for
tightness of A1 and A2
terminals
Swap RBCU
Change Contactor/Assembly
Verify that J8 connector is
firmly seated.
With incoming power
disconnected, check for
tightness of A1 and A2
terminals
Swap RBCU
Change Contactor/Assembly