2-232
ACH550 E-Clipse Bypass User’s Manual
Diagnostics
Alarm listing
The following table lists the alarms by code number and describes each.
Alarm
Code
Alarm Name In
Panel
Alarm
Possible Cause
Corrective Action
4001
INP PHASE A
LOSS
Alarm will occur in drive
mode. In bypass,
alarm 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
Alarm will occur in drive
mode. In bypass,
alarm 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
Alarm will occur in drive
mode. In bypass,
alarm 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& 53
Tighten Connections
Check Communication
Cable Grounding
4006
Selected by PAR
1620:
RUN ENABLE
DAMPER END
SWITCH
VALVE OPENING
PRE-LUBE CYCLE
Alarm will occur when
start order is given and
the “RUN Enable” is not
present
Run Enable 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
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 ...
Page 641: ......