Fault Listing - ABB ACH580 Series Installation, Operation And Maintenance Manual

ACH580 Installation, Operation and Maintenance Manual
Diagnostics

Fault listing

Fault
Code
3001
3002
3003
3004
3005
Fault Name In
Panel
COIL CURR FBK RBCU is sensing
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 COIL M2 contactor will not
OPEN close when commanded
to do so
DRIVE COIL OPEN M1 contactor will not
close when commanded
to do so
Fault Possible Cause
Defective component on
RBCU
Defective Contactor
Defective RBCU
Defective Contactor
Defective RBCU
Loose J8 connector on
RBCU (refer to page
for the J7 connector
location)
Loose wires on
contactor terminals A1
and/or A2
Bad Output on RBCU
Bad Contactor
Loose J8 connector on
RBCU (refer to page
for the J7 connector
location)
Loose wires on
contactor terminals A1
and/or A2
Bad Output on RBCU
Bad Contactor
123
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
99 is firmly seated. (refer to
page 99 for the J7
connector location)
With incoming power
disconnected, check for
tightness of A1 and A2
terminals
Swap RBCU
Change Contactor/
Assembly
Verify that J8 connector
99 is firmly seated. (refer to
page 99 for the J7
connector location)
With incoming power
disconnected, check for
tightness of A1 and A2
terminals
Swap RBCU
Change Contactor/
Assembly
ACH580 E-Clipse Bypass