Daikin Europe NV
48
contamination in the CH boiler on the tap water
side.
8.2.8
CH installation stays warm unwanted
Possible causes:
Solution:
Room thermostat/weather dependent regulation
faulty or short circuited.
Yes
Check the wiring.
Check OpenTherm, On/off connection of the unit, or the connection between CH
boiler and RF room thermostat. Replace the thermostat.
Replace the weather-dependent regulation.
No
CH installation is heated due to Tap comfort.
The service display regularly shows code 7.
Yes
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.
8.2.9
A-label pump LED flashes intermittently red/green
Possible causes:
Solution:
Too high or too low mains voltage.
Yes
Check the mains voltage.
No
Pump temperature is too high.
Yes
Check the water and ambient temperature.
8.2.10
A-label pump LED flashes red
Possible causes:
Solution:
Pump stopped.
Yes
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.
Содержание EKOMBG22AAV1
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