ACH580 Installation, Operation and Maintenance Manual
129
ACH580 E-Clipse Bypass
Warning listing
The following table lists the warnings by code number and describes each.
Warning
Code
Warning Name In
Panel
Warning
Possible Cause
Corrective Action
4001
INP PHASE A
LOSS
Warning will occur in
drive mode. In bypass,
warning will occur if
bypass contactor has
not closed. Unit will trip
on Fault 3010 if the
bypass contactor is
closed
Loose J8 connector
Loose wiring on
Contactor assembly.
Blown upstream fuse
Check J8 connector
Check yellow wire on
input block
Check incoming
voltage, phase to
ground
4002
INP PHASE B
LOSS
Warning will occur in
drive mode. In bypass,
warning will occur if
bypass contactor has
not closed. Unit will trip
on Fault 3011 if the
bypass contactor is
closed
Loose J8 connector
Loose wiring on
Contactor assembly.
Blown upstream fuse
Check J8 connector
Check black wire on
input block
Check incoming
voltage, phase to
ground
4003
INP PHASE C
LOSS
Warning will occur in
drive mode. In bypass,
warning will occur if
bypass contactor has
not closed. Unit will trip
on Fault 3012 if the
bypass contactor is
closed
Loose J8 connector
Loose wiring on
Contactor assembly.
Blown upstream fuse
Check J8 connector
Check red wire on input
block
Check incoming
voltage, phase to
ground
4004
AUTO TRANSFER
Message is displayed
when the drive faults
and the bypass
switches to bypass
mode as configured in
Parameter 1608
Drive fault
Check drive
4005
EXT COMM ERR
Time between fieldbus
messages has
exceeded timeout
interval set with
parameter 3005
Incorrect
Communication
settings in Group 51
& 53.
Poor Connections
Noise on
Communication Line
Check Group 51 & 58
Tighten Connections
Check Communication
Cable Grounding
4006
Selected by PAR
1620:
PERMISSIVE
DAMPER END
SWITCH
VALVE OPENING
PRE-LUBE CYCLE
Warning will occur
when start order is
given and the
“Permissive” is not
present
Permissive condition
is not satisfied.
Bad 24v supply
Bad digital input
Check 24 Volts on
RBCU unit
Check for 24 volts on
respective DI when
condition is satisfied
Check Parameter 0103
for status of digital input
4007
PCB TEMP
RBCU unit reached
181 degrees
Fahrenheit, 83 degrees
Celsius
Cabinet cooling has
failed
Ambient conditions
too high
Bad RBCU unit
Stop drive and let cool
down and restart
Add additional cooling
Replace RBCU