Daikin Europe NV
46
8.2.1
Boiler controller is noisy when igniting
Possible causes:
Solution:
Gas supply pressure too high.
Yes
The home pressure controller may be faulty. Contact the energy company.
No
Incorrect ignition distance.
Yes
Check the ignition pin distance with the checking mold.
Replace the ignition pin.
No
Gas/air regulation not correctly configured.
Yes
Check the setting, see Gas air regulation par.7.7 and par. 7.8.
No
Weak spark.
Yes
Check the ignition pin distance with the checking mold.
Check and/or replace ignition cable.
Replace the ignition unit on the gas block. Replace the ignition pin.
8.2.2
Boiler controller resonates
Possible causes:
Solution:
Gas supply pressure too low. Lower than 20
mbar.
Yes
The home pressure controller may be faulty. Contact the energy company.
No
Recirculation combustion gases.
Yes
Check the combustion gas outlet and the air supply system.
No
Gas/air regulation not configured correctly.
Yes
Check the setting, see Gas air regulation par.7.7 and par. 7.8.
No
Boiler controller gasket faulty.
Yes
Replace the boiler controller gasket.
No
Boiler controller faulty.
Yes
Replace the boiler controller.
8.2.3
No heating (CH)
Possible causes:
Solution:
The service display shows nothing.
Yes
Check whether the plug is in the socket.
No
The service display shows nothing.
Yes
Check the fuse, see Electrical diagram par. 10.1
No
The service display shows a hyphen (
-
). The
boiler is off.
Yes
Switch on the boiler with the
button.
No
Room thermostat/weather dependent regulation
not connected or faulty.
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
Pump is not running. Display shows 80 and 1.
Yes
Check the electricity supply.
Check connector X2 and X4..
Checking mold ignition pin position
Pin must touch mold
Pin must not touch mold
