
1. Access the menus by pressing the two keys on the right simultane
ously.
2. Select the Malfunction menu by pressing the
key.
3. Select the PCB by pressing the or keys. The icon appears.
Confirm the PCB selection by pressing the
key: the PCB name
appears.
Note
The
:
parameter flashes.
corresponds to the
number of stored errors.
4. Go to the error details by pressing the
key.
5. Scroll through the errors by pressing the or key. When this
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
h
key.
Note
The errors are stored from the most recent to the oldest.
6. Go back to the
:
display by pressing the
h
key. Press
the key: the
parameter flashes after the errors.
cor
responds to the PCB selected.
Clear the error log by pressing the
key.
7. Exit the Malfunctions menu by pressing the
h
key.
8.3
Troubleshooting
Problems
Probable causes
Corrections
The radiators are cold. The heating set point tem
perature is too low.
Increase the value of parameter
or, if a room thermostat is connec
ted, increase the temperature on it.
The heating mode is deac
tivated.
Activate the heating mode.
The radiator valves are
closed.
Open the valves on all radiators connected to the heating system.
The heat pump is not op
erating.
Check that the heat pump is switched on.
Check the fuses and switches on the electrical installation.
The water pressure is too
low (< 1 bar).
Top up the system with water.
Fig.51
MW-2000369-1
Fig.52
MW
-5
0
0
0
0
1
1
-3
Fig.53
MW
-1
0
0
0
6
8
9
-1
Fig.54
MW
-1
0
0
0
6
9
0
-1
8 Troubleshooting
54
MIV-4
7623755 - v05 - 27042017
Содержание ALEZIO EVOLUTION EASYLIFE AWHP 11 MR-2
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