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ACH550 Installation, Operation and Maintenance Manual
ACH550 E-Clipse Bypass
Note:
In the Parameter Edit mode the current parameter value appears below the
parameter name.
Note:
To view the default parameter value, press the
Up/Down
arrows
simultaneously. Press
Enter
to restore the default parameter value or press
ESC
to
leave the
Parameter Edit
mode.
Diagnostics
Fault listing
9
Press
ESC
to return to the
Default
Display
from the
Main Menu.
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)
ESC