ABB ACH580 Series Installation, Operation And Maintenance Manual page 108

108
Diagnostics
Fault listing
Fault
Code
3001
3002
3003
3004
3005
ACH580-3BCR/BDR
ACH580 Ultra-Low Harmonic Drives Installation, Operation and Maintenance Manual
Fault Name In
Panel
COIL CURR FBK RBCU is sensing
abnormal current
feedback when neither
contactor should be
energized
BYP CNTACT M2 contactor indicates
STUCK it 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
STUCK it 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 91 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 91 for the J7
connector location)
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. (refer to
page 91 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 is firmly
seated. (refer to
page 91 for the J7
connector location)
With incoming power
disconnected, check
for tightness of A1 and
A2 terminals
Swap RBCU
Change Contactor/
Assembly