Error
code
Message
Description
H00.32
TOutside Open
Outside temperature sensor is either removed or measures a temperature below range
Check the wiring between the central unit PCB and the sensor.
Check that the sensor has been fitted properly.
Check the Ohmic value of the sensor.
Replace the sensor if necessary.
H00.33
TOutside Closed
Outside temperature sensor is either shorted or measures a temperature above range
Check the wiring between the central unit PCB and the sensor.
Check that the sensor has been fitted properly.
Check the Ohmic value of the sensor.
Replace the sensor if necessary.
H00.47
HP flow sens removed
or below range
Heat pump flow temperature sensor is either removed or measures a temperature
below range
Check the wiring between the central unit PCB and the sensor.
Check that the sensor has been fitted properly.
Check the Ohmic value of the sensor.
Replace the sensor if necessary.
H00.48
THp Flow Closed
Heat pump flow temperature sensor is either shorted or measures a temperature
above range
Check the wiring between the central unit PCB and the sensor.
Check that the sensor has been fitted properly.
Check the Ohmic value of the sensor.
Replace the sensor if necessary.
H00.51
THp Return Open
Heat pump return temperature sensor is either removed or measures a temperature
below range
H00.52
THp Return Closed
Heat pump return temperature sensor is either shorted or measures a temperature
above range
Check the wiring between the central unit PCB and the sensor.
Check that the sensor has been fitted properly.
Check the Ohmic value of the sensor.
Replace the sensor if necessary.
H00.57
T DHW Top Open
Domestic Hot Water top temperature sensor is either removed or measures a
temperature below range
Check the wiring between the central unit PCB and the sensor.
Check that the sensor has been fitted properly.
Check the Ohmic value of the sensor.
Replace the sensor if necessary.
H00.58
T DHW Top Closed
Domestic Hot Water top temperature sensor is either shorted or measures a
temperature above range
Check the wiring between the central unit PCB and the sensor.
Check that the sensor has been fitted properly.
Check the Ohmic value of the sensor.
Replace the sensor if necessary.
H02.00
Reset In Progress
Reset In Progress
H02.02
Wait Config Number
Waiting For Configuration Number
Waiting for configuration parameters to be entered
Configure CN1 / CN2 depending on the output of the outdoor unit installed (CNF
menu).
Central unit PCB replaced: heat pump not configured
H02.03
Conf Error
Configuration Error
The configuration parameters entered are incorrect.
Configure CN1 / CN2 depending on the output of the outdoor unit installed (CNF
menu).
12 Troubleshooting
108
AWHP-2 iMPI
7685645 - v04 - 07032018