Troubleshooting - DeDietrich ALEZIO EVOLUTION EASYLIFE AWHP-V200 Series User Manual

8 Troubleshooting

Fig.51
MW-2000369-1
Fig.52
Fig.53
Fig.54
8.3 Troubleshooting
Problems Probable causes
The radiators are cold. The heating set point tem­
perature is too low.
The heating mode is deac­
tivated.
The radiator valves are
closed.
The heat pump is not op­
erating.
The water pressure is too
low (< 1 bar).
54 MIV-4
1. Access the menus by pressing the two keys on the right simultane­
ously.
2. Select the Malfunction menu
3. Select the PCB by pressing the
Confirm the PCB selection by pressing the
appears.
Note
The : parameter flashes.
number of stored errors.
4. Go to the error details by pressing the
5. Scroll through the errors by pressing the
menu opens, the row of the error in the log appears briefly. The PCB
name appears. Go back to the error list by pressing the
Note
The errors are stored from the most recent to the oldest.
6. Go back to the :
the key: the
responds to the PCB selected.
Clear the error log by pressing the
7. Exit the Malfunctions menu by pressing the
Corrections
Increase the value of parameter
ted, increase the temperature on it.
Activate the heating mode.
Open the valves on all radiators connected to the heating system.
Check that the heat pump is switched on.
Check the fuses and switches on the electrical installation.
Top up the system with water.
by pressing the
or keys. The
key: the PCB name
corresponds to the
key.
or
display by pressing the
parameter flashes after the errors.
key.

or, if a room thermostat is connec­
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key.
icon appears.
key. When this

key.

key. Press
cor­
key.