Alarms Description - Carrier AquaForce 61XWHZE Control Manual

8 - DIAGNOSTICS

8.6 - Alarms description

The alarm codes are displayed in the Reset Alarms menu, while
in the Current Alarm menu and alarm histories textual information
regarding the event is provided.
8.6.1 - Alarm codes
Jbus
Code Alarm description
code
Thermistor failure
1 15001 Cooler Entering Fluid Thermistor
2 15002 Cooler Leaving Fluid Thermistor
3 15006 Condenser Entering Fluid Thermistor
4 15007 Condenser Leaving Fluid Thermistor
5 15011 MASTER/Slave Common Fluid Thermistor
6 15012 Circuit A Suction Gas Thermistor
7 15013 Circuit B Suction Gas Thermistor
9 15015 Circuit A Discharge Gas Thermistor
10 15016 Circuit B Discharge Gas Thermistor
12 15018 Circuit A Condenser Subcooling Liquid Thermistor As above
13 15019 Circuit B Condenser Subcooling Liquid Thermistor As above
14 15021 Space Temperature Thermistor
15 15024 Circuit A Economizer Gas Thermistor
16 15025 Circuit B Economizer Gas Thermistor
Transducer failure
18 12001 Circuit A Discharge Transducer
19 12002 Circuit B Discharge Transducer
21 12004 Circuit A Suction Transducer
22 12005 Circuit B Suction Transducer
24 12010 Circuit A Oil Pressure Transducer
25 12011 Circuit B Oil Pressure Transducer
27 12013 Circuit A Economizer Pressure Transducer
28 12014 Circuit B Economizer Pressure Transducer
Communication failure
30 4101 Loss of communication with Compressor Board A
31 4201 Loss of communication with Compressor Board B As above
33 4901 Loss of communication with SIOB/CIOB Board A
34 4902 Loss of communication with SIOB/CIOB Board B
Loss of communication with SIOB/CIOB Board
36 4906
Energy Management
Loss of communication with SIOB/CIOB Board
37 4907
EXV DGT Management
Loss of communication with AUX Board
38 4501
(leak detection optional board)
Process failure and other
39 10001 Cooler Freeze Protection
40 10002 Circuit A Condenser Freeze Protection
41 10003 Circuit B Condenser Freeze Protection
43 10005 Circuit A Low Suction Temperature
44 10006 Circuit B Low Suction Temperature
46 10008 Circuit A High Superheat
47 10009 Circuit B High Superheat
46
Possible cause Action taken
Defective thermistor Unit shuts down
As above Unit shuts down
As above None (alert)
As above None (alert)
Master/Slave assembly
is disabled and the unit
As above
returns to the stand-
alone mode
As above Circuit A shuts down
As above Circuit B shuts down
As above Circuit A shuts down
As above Circuit B shuts down
None (alert)
None (alert)
As above None (alert)
Economizer function
As above
disabled
As above As above
Defective transducer Circuit A shuts down
As above Circuit B shuts down
As above Circuit A shuts down
As above Circuit B shuts down
As above 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,
Circuit A shuts down
communication error
Circuit B shuts down
As above Unit shuts down
As above Unit shuts down
As above Unit shuts down
As above Unit shuts down
As above None (alert)
No water flow, defective
Unit shuts down
thermistor
Discharge pressure
transducer defective,
Circuit A shuts down, but
refrigerant leak or low
the pump is running
condenser water
temperature
Circuit B shuts down,
As above
but the pump is running
Pressure sensor
defective, EXV blocked or Circuit A shuts down
lack of refrigerant
As above Circuit B shuts down
Pressure sensor
defective, EXV blocked or Circuit A shuts down
lack of refrigerant
As above Circuit B shuts down
Reset type
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
As above
As above
As above
Automatic, if sensor voltage
reading returns to normal
As above
As above
As above
As above
As above
As above
As above
Automatic, if communication
is re-established
As above
As above
As above
As above
As above
As above
Manual
Automatic (if saturated
discharge temperature is
above 4.4°C); otherwise
Manual
As above
Automatic (the first alarm
within 24 hours); otherwise
Manual
As above
Manual
Manual