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9.6 - Alarms description
The following tables include all general alarms/alerts
associated with the operation of the unit as well as drive alarms.
9.6.1 - General alarms
JBus
code
Alarm
code
Description
Reset type
Action taken
Possible cause
Thermistor failure
1
15001 Cooler Entering Fluid Thermistor
Automatic, if thermistor
reading returns to normal
Unit shuts down
Defective thermistor
2
15002 Cooler Leaving Fluid Thermistor
As above
Unit shuts down
As above
3
15010 OAT Thermistor Failure
As above
Unit shuts down
As above
4
15023 Cooler heater feedback thermistor Failure
As above
No action (alert)
As above
5
15011 MASTER/Slave Common Fluid Thermistor
As above
Master/Slave control is
disabled, the unit returns to
the stand-alone mode
As above
6
15012 Circuit A Suction Gas Thermistor
As above
Circuit A shuts down
As above
7
15013 Circuit B Suction Gas Thermistor
As above
Circuit B shuts down
As above
8
15015 Circuit A Discharge Gas Thermistor
As above
Circuit A shuts down
As above
9
15016 Circuit B Discharge Gas Thermistor
As above
Circuit B shuts down
As above
10
15018 Circuit A Condenser Subcooling Liquid
Thermistor
As above
Circuit A shuts down
As above
11
15019 Circuit B Condenser Subcooling Liquid
Thermistor
As above
Circuit B shuts down
As above
12
15033 Circuit A compressor Motor Thermistor
As above
Circuit A shuts down
As above
13
15034 Circuit B compressor Motor Thermistor
As above
Circuit B shuts down
As above
14
15024 Circuit A Economizer Gas Thermistor
As above
Circuit A shuts down
As above
15
15025 Circuit B Economizer Gas Thermistor
As above
Circuit B shuts down
As above
16
15021 Space Temperature Thermistor
As above
No action (alert)
As above
Transducer failure
17
12001 Circuit A Discharge Transducer
Automatic, if sensor voltage
reading returns to normal
Circuit A shuts down
Defective transducer
18
12002 Circuit B Discharge Transducer
As above
Circuit B shuts down
As above
19
12004 Circuit A Suction Transducer
When compressor is "off":
Automatic, if sensor voltage
reading returns to normal
(3 alarms within 24 hours);
otherwise, Manual
When compressor is “on”:
Manual
Circuit A shuts down
As above
20
12005 Circuit B Suction Transducer
As above
Circuit B shuts down
As above
21
12010 Circuit A Oil Pressure Transducer
Automatic, if sensor voltage
reading returns to normal
Circuit A shuts down
As above
22
12011 Circuit B Oil Pressure Transducer
As above
Circuit B shuts down
As above
23
12013 Circuit A Economizer Pressure Transducer
As above
Circuit A shuts down
As above
24
12014 Circuit B Economizer Pressure Transducer
As above
Circuit B shuts down
As above
25
12024
Water Pressure 1 Transducer
As above
No action (alert)
Defective transducer
(applicable to units fitted
with the hydronic kit)
26
12025
Water Pressure 2 Transducer
As above
No action (alert)
Defective transducer
(applicable to units fitted
with the hydronic kit or
variable speed pumps)
27
12029
Water Pressure too low - Pump cavitation
risks
Automatic, if water pressure
returns to normal and the
minimum pressure threshold
supported by pump has not
been achieved
Manual, if water pressure
has dropped below the
minimum pressure
threshold of pump.
1
st
scenario (automatic
reset): No action (alert)
2
nd
scenario (manual reset):
Unit shuts down
Water loop pressure too
low, risk of pump cavitation
28
12031 Circuit A Condenser Subcooling Liquid
Pressure Transducer
Automatic, if sensor voltage
reading returns to normal
Circuit A shuts down
Defective transducer
29
12032 Circuit B Condenser Subcooling Liquid
Pressure Transducer
As above
Circuit B shuts down
As above
Communication failure
30
4901
Loss of communication with SIOB Board
Number 1
Automatic, if communication
is re-established
Unit shuts down
Bus installation fault,
communication error
31
4902
Loss of communication with SIOB Board
Number 2
As above
Circuit B shuts down
As above
32
4501
Loss of Communication with Auxiliary # 1
As above
Unit shuts down
As above
33
4502
Loss of Communication with Auxiliary # 2
As above
Circuit A shuts down
As above
Summary of Contents for TOUCHPILOT 30KAV
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