Incidents and solutions, 2 incidents and solutions – DE DIETRICH ALEZIO AWHP-V220 User Manual
Page 27
6.2
Incidents and solutions
Problem
Probable causes
Solution
The radiators are cold.
The heating temperature
setting is too low.
4
Increase the value of parameter d or, if a room thermostat
is connected, increase the temperature.
¼See chapter: "Modifying the set room
The heating mode is
deactivated.
4
Activate the heating mode.
¼See chapter: "Changing the operating mode",
The radiator valves are closed. 4
Open the valves on all radiators connected to the heating
system.
The heat pump is not operating.
4
Check that the heat pump is switched on.
4
Check the fuses and switches on the electrical installation.
The water pressure is too low (<
1 bar).
4
Top up the installation with water.
¼See chapter: "Top up the installation with
There is no domestic hot
water.
The DHW temperature setting
is too low.
4
Increase the value of parameter r.
¼See chapter: "Modifying the domestic hot water
The domestic hot water mode is
deactivated.
4
Activate the DHW mode.
¼See chapter: "Changing the operating mode",
The energy-saving shower
head is restricting the water
flow.
4
Clean the shower head; replace if necessary.
The heat pump is not operating.
4
Check that the heat pump is switched on.
4
Check the fuses and switches on the electrical installation.
The water pressure is too low (<
1 bar).
4
Top up the installation with water.
¼See chapter: "Top up the installation with
Significant variations in
domestic hot water
temperature
Insufficient water supply
4
Check the water pressure in the installation.
4
Open the valve.
The heat pump is not
working.
The heating temperature
setting is too low.
4
Increase the value of parameter d or, if a room thermostat
is connected, increase the temperature.
¼See chapter: "Modifying the set room
The heat pump is not operating.
4
Check that the boiler is switched on.
4
Check the fuses and switches on the electrical installation.
The water pressure is too low (<
1 bar).
4
Top up the installation with water.
¼See chapter: "Top up the installation with
An error code appears on the
display.
4
Correct the error if possible.
¼See chapter: "Error codes", page 25.
The water pressure is too
low (< 1 bar).
Not enough water in the
installation.
4
Top up the installation with water.
¼See chapter: "Top up the installation with
Water leak.
4
Contact the fitter.
AWHP-V220
6. Troubleshooting
23/04/2013 - 300026802-001-03
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