ACH550 E-Clipse Bypass User’s Manual
2-225
Diagnostics
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
Summary of Contents for ACH550-BCR
Page 4: ...iv Manual contents ...
Page 6: ......
Page 12: ...1 8 ACH550 UH User s Manual Table of contents ...
Page 36: ...1 32 ACH550 UH User s Manual Installation ...
Page 70: ...1 66 ACH550 UH User s Manual Application macros ...
Page 335: ...ACH550 UH User s Manual 1 331 Technical data ...
Page 348: ......
Page 382: ...2 36 ACH550 E Clipse Bypass User s Manual Start up ...
Page 398: ...2 52 ACH550 E Clipse Bypass User s Manual Bypass functions overview ...
Page 406: ...2 60 ACH550 E Clipse Bypass User s Manual Application macros ...
Page 544: ...2 198 ACH550 E Clipse Bypass User s Manual Embedded fieldbus ...
Page 584: ...2 238 ACH550 E Clipse Bypass User s Manual Diagnostics ...
Page 608: ......
Page 612: ...3 6 ACH550 UH User s Manual Table of contents ...
Page 622: ...3 16 ACH550 PCR PDR User s Manual Installation ...
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