Troubleshooting; Resolving Operating Errors; Types Of Error Code - DeDietrich ALEZIO O HYBRID User Manual

7 Troubleshooting

7 Troubleshooting
7.1

Resolving operating errors

Tab.36
Type of code
Warning
Blockage
Lock out
Tab.37 List of temporary error codes
Error code Message
H00.16 DHW sensor Open
H00.17 DHW sensor Closed
H00.32 TOutside Open
H00.33 TOutside Closed
H00.34 TOutside Missing
H00.40 WaterPressureOpen
H00.41 WaterPressureClosed
H00.42 WaterPressureMissing
H00.47 THp Flow Open
H00.48 THp Flow Closed
H00.49 THp Flow Missing
44 200 ESL HYBRID
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
The control panel can display three types of error codes:
Code format
Axx.xx
Hxx.xx
Exx.xx
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.
Description
Domestic Hot Water tank temperature sensor is either removed or measures a
temperature below range
Domestic Hot Water tank temperature sensor is either shorted or measures a
temperature above range
Outside temperature sensor is either removed or measures a temperature below range
Outside temperature sensor is either shorted or measures a temperature above range
Outside temperature sensor was expected but not detected
Water pressure sensor is either removed or measures a temperature below range
Water pressure sensor is either shorted or measures a temperature above range
Water pressure sensor was expected but not detected
Heat pump flow temperature sensor is either removed or measures a temperature
below range
Heat pump flow temperature sensor is either shorted or measures a temperature
above range
Heat pump flow temperature sensor was expected but not detected

Types of error code

Screen background colour
-
Continuous red
Flashing red
7763552 - v02 - 29062020