Carrier SmartView - Page 51

JBus
code
Code Alarm description Reset type Action taken Possible cause
33 4906 LOSS OF COMMUNICATION WITH
ENERGY MANAGEMENT SIOB BOARD
As above None As above
34 4501 LOSS OF COMMUNICATION WITH FAN
BOARD NUMBER 1
As above Unit shuts down As above
35 4601 LOSS OF COMMUNICATION WITH DC
FREE COOLING BOARD
As above None As above
36 4701 LOSS OF COMMUNICATION WITH VFD
FAN DRIVE BOARD CIRCUIT A
As above Unit shuts down As above
37 4702 LOSS OF COMMUNICATION WITH VFD
FAN DRIVE BOARD CIRCUIT B
As above Unit shuts down As above
38 4703 LOSS OF COMMUNICATION WITH VFD
PUMP DRIVE BOARD NUMBER 1
As above Unit is restarted with another pump
running. If no pumps are available,
the unit shuts down
As above
39 4704 LOSS OF COMMUNICATION WITH VFD
PUMP DRIVE BOARD NUMBER 2
As above As above As above
Process failure
40 10001 WATER EXCHANGER FREEZE
PROTECTION
Automatic (the rst alarm
in the last 24 hours) or
Manual
Unit shuts down, but the pump
continues to run
No water ow,
defective thermistor
41 10005 CIRCUIT A LOW SATURATED SUCTION
TEMPERATURE
As above Unit shuts down Pressure transducer
defective, EXV
blocked or lack of
refrigerant
42 10006 CIRCUIT B LOW SATURATED SUCTION
TEMPERATURE
As above Unit shuts down As above
43 10008 CIRCUIT A HIGH SUPERHEAT Manual Circuit A shuts down Pressure transducer
defective,
temperature sensor
defective,
EXV blocked or lack
of refrigerant
44 10009 CIRCUIT B HIGH SUPERHEAT Manual Circuit B shuts down As above
45 10011 CIRCUIT A LOW SUPERHEAT Manual Circuit A shuts down As above
46 10012 CIRCUIT B LOW SUPERHEAT Manual Circuit B shuts down As above
47 10014 CUSTOMER INTERLOCK FAILURE Automatic (the unit is
OFF) or Manual
Unit shuts down Customer interlock
input set on
48 10016 COMPRESSOR A1 NOT STARTED OR
PRESSURE INCREASE NOT
ESTABLISHED
Manual Compressor A1 shuts down Compressor breaker
or fuse fault,
compressor switch
open
49 10017 COMPRESSOR A2 NOT STARTED OR
PRESSURE INCREASE NOT
ESTABLISHED
Manual Compressor A2 shuts down As above
50 10018 COMPRESSOR A3 NOT STARTED OR
PRESSURE INCREASE NOT
ESTABLISHED
Manual Compressor A3 shuts down As above
51 10019 COMPRESSOR A4 NOT STARTED OR
PRESSURE INCREASE NOT
ESTABLISHED
Manual Compressor A4 shuts down As above
52 10020 COMPRESSOR B1 NOT STARTED OR
PRESSURE INCREASE NOT
ESTABLISHED
Manual Compressor B1 shuts down As above
53 10021 COMPRESSOR B2 NOT STARTED OR
PRESSURE INCREASE NOT
ESTABLISHED
Manual Compressor B2 shuts down As above
54 10022 COMPRESSOR B3 NOT STARTED OR
PRESSURE INCREASE NOT
ESTABLISHED
Manual Compressor B3 shuts down As above
55 10023 COMPRESSOR B4 NOT STARTED OR
PRESSURE INCREASE NOT
ESTABLISHED
Manual Compressor B4 shuts down As above
56 10028 MAIN POWER SUPPLY FAULT Automatic Unit shuts down Main power supply
fault or high
temperature in the
control box (units with
high ambient
temperature option)
57 10030 MASTER/SLAVE COMMUNICATION
FAILURE
As above Master/slave operation is disabled
and the unit returns to the stand-
alone mode
As above
58 10031 UNIT IS IN NETWORK EMERGENCY STOP Automatic, if emergency
stop is deactivated
Unit shuts down Network emergency
stop command
59 10032 COOLER PUMP #1 FAULT Manual Unit is restarted with another pump
running. If no pumps are available,
the unit shuts down
Evaporator ow
switch or evaporator
pump fault
8 - DIAGNOSTICS
51