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Page 56
Alarm
Code
Fault
Possible Cause(s)
Suggested Action(s)
Action By
User
Engineer
P01
Heating Return Temperature Sensor Error
The temperature sensor is faulty or
disconnected.
Test the operation of the heating
return temperature sensor and
re-connect/replace if necessary.
P02
Heating Flow Temperature Sensor Error
The temperature sensor is faulty or
disconnected.
Test the operation of the heating
flow temperature sensor and re-
connect/replace if necessary.
P03
DHW Cylinder Temperature Sensor Error
The temperature sensor is faulty or
disconnected.
Test the operation of the DHW
cylinder temperature sensor and
re-connect/replace if necessary.
P04
Ambient Temperature Sensor Error
The temperature sensor is faulty or
disconnected.
Test the operation of the
ambient temperature sensor and
re-connect/replace if necessary.
P17
Suction Temperature Sensor Error
The temperature sensor is faulty or
disconnected.
Test the operation of the
refrigerant suction line
temperature sensor and re-
connect/replace if necessary.
P42
Room Temperature Sensor Error
The temperature sensor is faulty or
disconnected.
Test the operation of the room
temperature sensor (if fitted) and
re-connect/replace if necessary.
P101
EVI Inlet Temperature Sensor Error
The temperature sensor is faulty or
disconnected.
Test the operation of the EVI
inlet line temperature sensor
and re-connect/replace if
necessary.
P102
EVI Outlet Temperature Sensor Error
The temperature sensor is faulty or
disconnected.
Test the operation of the EVI out
line temperature sensor and re-
connect/replace if necessary.
P153
Evaporator Temperature Sensor Error
The temperature sensor is faulty or
disconnected.
Test the operation of the evap.
temperature sensor and re-
connect/replace if necessary.
P181
Discharge Temperature Sensor Error
The temperature sensor is faulty or
disconnected.
Test the operation of the
refrigerant discharge line
temperature sensor and re-
connect/replace if necessary.
P182
Discharge Overheat Temperature Sensor
Error
The temperature sensor is faulty or
disconnected.
Test the operation of the
discharge line overheat
temperature sensor and re-
connect/replace if necessary.
PP2
Suction Pressure Sensor Error
The pressure sensor is faulty or disconnected.
Test the operation of the suction
line pressure sensor and re-
connect/replace if necessary.
Содержание A Series
Страница 36: ...Page 34 Figure 24 AS02 R32 Casing Dimensions Heating Connection Locations FRONT SIDE TOP...
Страница 40: ...Page 38 Figure 26 Heating DHW Schematic Figure 27 Heating Only Schematic...
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