Alarm Listing - ABB ACH550 series User Manual

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Alarm Listing

The following table lists the alarms by code number and describes each.
Alarm
Alarm Name In Panel
Code
4001 INP PHASE A LOSS
4002 INP PHASE B LOSS
4003 INP PHASE C LOSS
4004 AUTO TRANSFER
4005 EXT COMM ERR
4006 Selected by PAR 1620:
RUN ENABLE
DAMPER END SWITCH
VALVE OPENING
PRE-LUBE CYCLE
4007 PCB TEMP
Diagnostics and Troubleshooting
E-Clipse Bypass Configurations for ACH550 Drives
Alarm
Alarm will occur in Loose J8 connector
drive mode. In bypass,
Loose wiring on
alarm will occur if
Contactor assembly.
bypass contactor has
Blown upstream fuse
not closed. Unit will
trip on Fault 3010 if the
bypass contactor is
closed
Alarm will occur in Loose J8 connector
drive mode. In bypass,
Loose wiring on
alarm will occur if
Contactor assembly.
bypass contactor has
Blown upstream fuse
not closed. Unit will
trip on Fault 3011 if the
bypass contactor is
closed
Alarm will occur in Loose J8 connector
drive mode. In bypass,
Loose wiring on
alarm will occur if
Contactor assembly.
bypass contactor has
Blown upstream fuse
not closed. Unit will
trip on Fault 3012 if the
bypass contactor is
closed
Message is displayed Drive fault
when the drive faults
and the bypass
switches to bypass
mode as configured in
Parameter 1608
Time between fieldbus Incorrect
messages has Communication
exceeded timeout settings in Group 51 &
interval set with 53.
parameter 3005
Poor Connections
Noise on
Communication Line
Alarm will occur when Run Enable condition
start order is given and is not satisfied.
the "RUN Enable" is
Bad 24v supply
not present
Bad digital input
RBCU unit reached Cabinet cooling has
181 degrees failed
Fahrenheit, 83 degrees
Ambient conditions too
Celsius
high
Bad RBCU unit
Possible Cause Corrective Action
Check J8 connector
Check yellow wire on
input block
Check incoming
voltage, phase to
ground
Check J8 connector
Check black wire on
input block
Check incoming
voltage, phase to
ground
Check J8 connector
Check red wire on
input block
Check incoming
voltage, phase to
ground
Check drive
Check Group 51& 53
Tighten Connections
Check Communication
Cable Grounding
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
Stop drive and let cool
down and restart
Add additional cooling
Replace RBCU