Alarms Description - Carrier SmartVu 61AF 030-105 Manual

8 - DIAGNOSTICS

8.6 - Alarms description

8.6.1 - Alarms list
No. Code Description
Thermistor failure
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 2d Coil Defrost Thermistor Failure
5 15010 OAT Thermistor Failure
MASTER/Slave Common Fluid Thermistor
6 15011
Failure
7 15012 Circuit A Suction Gas Thermistor Failure
8 15024 Circuit A Economizer Gas Thermistor Failure
9 15025 Domestic Hot Water Tank Thermistor Failure
Transducer failure
Circuit A Discharge Pressure Transducer
10 12001
Failure
11 12004 Circuit A Suction Pressure Transducer Failure
12 12013 Circuit A Economizer Pressure Transducer
Water Exchanger Entering Fluid Transducer
13 12024
Failure
Drive failure
14 190nn Variable Speed Water Pump Failure
Communication failure
Loss of communication with SIOB/CIOB
15 4901
Board Number A
16 4601 Loss of communication with AUX1 Board
Compressor failure
Comp. A1 failed: Motor protection Kriwan
17 1101
Safety Opened
Comp. A2 failed: Motor protection Kriwan
18 1201
Safety Opened
Process failure and other
19 10001 Water Exchanger Freeze Protection
20 10005 Circuit A Low Saturated Suction Temperature
21 10008 Circuit A High Superheat
22 10011 Circuit A Low Superheat
Possible cause Action taken
Defective thermistor Unit shuts down
As above As above
As above As above
As above As above
As above As above
Master/Slave assembly is
As above
disabled
As above Unit shuts down
As above As above
As above DHW mode is disabled
Defective transducer Unit shuts down
As above As above
As above As above
As above As above
Speed controller fault,
Unit shuts down
see section 8.6.2
Bus installation fault,
Unit shuts down
communication error
As above Unit shuts down
Compressor
Unit shuts down
overheating
As above Unit shuts down
No water flow, Unit shuts down but the
defective thermistor pump continues to run
Pressure transducer
defective, EXV blocked Unit shuts down
or lack of refrigerant
Pressure transducer
defective, temperature
sensor defective, Unit shuts down
EXV blocked or lack
of refrigerant
As above Unit 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
Automatic, if sensor
voltage reading returns to
normal
Automatic, if sensor voltage
reading returns to normal
(up to 3 alarms within 24
hours); otherwise, Manual
Automatic, if sensor
voltage reading returns to
normal
As above
Automatic, if operating
conditions return to normal
Automatic, if communication
is re-established
As above
Manual
Manual
Automatic (the first alarm
within 24 hours); otherwise,
Manual
As above
Manual
Automatic (up to 3 alarms
within 24 hours); otherwise,
Manual
43