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