7 Troubleshooting
7.1
Resolving operating errors
If your appliance malfunctions, the status LED flashes and/or changes
colour and a message containing an error code is displayed on the main
screen of the control panel. This error code is important for the correct and
rapid diagnosis of the type of malfunction and for any technical assistance
that may be needed.
If an error occurs:
1. Make a note of the code displayed on the screen.
2. Remedy the problem described by the error code or contact the
installer.
3. Switch the heat pump off and back on to check that the cause of the
error has been removed.
4. If the code is displayed again, contact the installer.
7.1.1
Types of error code
The control panel can display three types of error codes:
Tab.36
Type of code
Code format
Screen background colour
Warning
Axx.xx
-
Blockage
Hxx.xx
Continuous red
Lock out
Exx.xx
Flashing red
Error codes
An error code is a temporary status, resulting from the detection of a boiler
anomaly. The control panel attempts automatic restart of the boiler until it
ignites.
An error code is a temporary status, resulting from the detection of a heat
pump anomaly. The control panel attempts automatic restart of the heat
pump until it switches on.
When one of the following codes is displayed and the boiler cannot restart
automatically, contact a maintenance technician.
When one of the following codes is displayed and the heat pump cannot
restart automatically, contact a maintenance technician.
Tab.37 List of temporary error codes
Error code Message
Description
H00.16
DHW sensor Open
Domestic Hot Water tank temperature sensor is either removed or measures a
temperature below range
H00.17
DHW sensor Closed
Domestic Hot Water tank temperature sensor is either shorted or measures a
temperature above range
H00.32
TOutside Open
Outside temperature sensor is either removed or measures a temperature below range
H00.33
TOutside Closed
Outside temperature sensor is either shorted or measures a temperature above range
H00.34
TOutside Missing
Outside temperature sensor was expected but not detected
H00.40
WaterPressureOpen
Water pressure sensor is either removed or measures a temperature below range
H00.41
WaterPressureClosed
Water pressure sensor is either shorted or measures a temperature above range
H00.42
WaterPressureMissing
Water pressure sensor was expected but not detected
H00.47
THp Flow Open
Heat pump flow temperature sensor is either removed or measures a temperature
below range
H00.48
THp Flow Closed
Heat pump flow temperature sensor is either shorted or measures a temperature
above range
H00.49
THp Flow Missing
Heat pump flow temperature sensor was expected but not detected
7 Troubleshooting
44
200 ESL HYBRID
7763552 - v02 - 29062020
