Alarms Description - Carrier SmartVu control Manual

8 - DIAGNOSTICS

8.6 - Alarms description

8.6.1 - Alarms list
No. Code Description
Water Exchanger Entering Fluid Thermistor
1 15001
Failure
Water Exchanger Leaving Fluid Thermistor
2 15002
Failure
3 15003 Circuit A Defrost Thermistor Failure
4 15004 Circuit B Defrost Thermistor Failure
5 15010 OAT Thermistor Failure
MASTER/Slave Common Fluid Thermistor
6 15011
Failure
7 15053 Water Tank Output Thermistor Failure
8 15012 Circuit A Suction Gas Thermistor Failure
9 15013 Circuit B Suction Gas Thermistor Failure
10 15044 Coil Suction Gas Thermistor Sensor 1 Failure
11 15045 Coil Suction Gas Thermistor Sensor 2 Failure
Circuit A Discharge Pressure Transducer
12 12001
Failure
Circuit B Discharge Pressure Transducer
13 12002
Failure
14 12004 Circuit A Suction Pressure Transducer Failure
15 12005 Circuit B Suction Pressure Transducer Failure
Loss of communication with SIOB Board
16 4901
Number A
Loss of communication with SIOB Board
17 4902
Number B
18 4601 Loss of communication with AUX1 Board
19 10001 Water Exchanger Freeze Protection
20 10005 Circuit A Low Saturated Suction Temperature
21 10006 Circuit B Low Saturated Suction Temperature
22 10008 Circuit A High Superheat
23 10009 Circuit B High Superheat
24 10011 Circuit A Low Superheat
25 10012 Circuit B Low Superheat
26 10014 Cooler Interlock Failure
Compressor A1 Not Started Or Pressure
27 10016
Increase not Established
Compressor A2 Not Started Or Pressure
28 10017
Increase not Established
Compressor A3 Not Started Or Pressure
29 10018
Increase not Established
Possible cause Action taken
Defective thermistor Unit shuts down
As above As above
Cooling mode: Unit
continues to operate
As above
Heating mode: Circuit A
shuts down
Cooling mode: Unit
continues to operate
As above
Heating mode: Circuit B
shuts down
As above Unit shuts down
Master/Slave operation is
As above disabled, each unit returns to
the stand-alone mode
As above None
As above Circuit A shuts down
As above Circuit B shuts down
Heating mode: Circuit A
As above shuts down
Cooling mode: None
Heating mode: Circuit B
As above shuts down
Cooling mode: None
Defective transducer Circuit A shuts down
As above Circuit B shuts down
As above Circuit A shuts down
As above Circuit B shuts down
Bus installation fault,
Unit shuts down
communication error
Depending on unit
configuration, the unit shuts
As above down or all components
driven by the second SIOB
board are switched off
As above Unit shuts down
No water flow, Unit shuts down, the water
defective thermistor exchanger pump is running
Pressure transducer
defective, EXV blocked Circuit A shuts down
or lack of refrigerant
As above Circuit B shuts down
Pressure transducer
defective, temperature
sensor defective, EXV Circuit A shuts down
blocked or lack of
refrigerant
As above Circuit B shuts down
As above Circuit A shuts down
As above Circuit B shuts down
Customer interlock
Unit shuts down
input set on
Compressor breaker or
fuse fault, compressor Compressor A1 shuts down
switch open
As above Compressor A2 shuts down
As above Compressor A3 shuts down
Reset
Automatic, if thermistor
reading returns to normal
As above
As above
As above
As above
As above
As above
As above
As above
As above
As above
Automatic, if sensor voltage
reading returns to normal
As above
As above
As above
Automatic, if communication
is re-established
As above
As above
Automatic (the first alarm in
the last 24 h) or Manual
Automatic (the first alarm in
the last 24 h) or Manual
As above
Manual
Manual
Manual
Manual
Automatic (if the unit was
stopped when the alarm
occurred) or Manual
Manual
Manual
Manual
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