Daikin EKOMB28AAV1H [49/432] A label pump led flashes red

Daikin Europe NV 49

side.

8.3.8 CH installation stays warm unwanted

Possible causes:

Solution/cause:

Room thermostat/weather dependent regulation

faulty or short circuited.

Yes Æ

Check the wiring.

Check OpenTherm and On/off connection of the unit.

Replace the thermostat.

Replace the weather-dependent regulation.

No È

CH installation is heated due to Tap comfort.

The service display regularly shows code 7.

Yes Æ

Unwanted circulation in the CH circuit due to thermosiphon effect or second pump in

the CH circuit. Install a check valve in case of thermosiphon effect or a two-way

valve in case of a second pump.

No È

8.3.9 A-label pump LED flashes intermittently red/green

Possible causes:

Solution:

Too high or too low mains voltage.

Yes Æ

Check the mains voltage.

No È

Pump temperature is too high.

Yes Æ

Check the water and ambient temperature.

8.3.10 A-label pump LED flashes red

Possible causes:

Solution:

Pump stopped.

Yes Æ

Reset the pump by switching off the unit by pressing the on/off button for at least 20

seconds (attention: if the pump has been set to continuous, the pump can only

be reset by pulling the plug from the socket).

Replace the pump.