8.3
Other faults
8.3.1
Boiler controller is noisy when igniting
Possible causes:
Gas supply pressure too high.
No
Incorrect ignition distance.
No
Gas/air regulation not correctly configured.
No
Weak spark.
Checking mold ignition pin position
8.3.2
Boiler controller resonates
Possible causes:
Gas supply pressure too low. Lower than 20
mbar.
No
Recirculation combustion gases.
No
Gas/air regulation not configured correctly.
No
Boiler controller gasket faulty.
No
Boiler controller faulty.
8.3.3
No heating (CH)
Possible causes:
The service display shows nothing.
No
The service display shows nothing.
No
The service display shows a hyphen (
boiler is off.
No
Room thermostat/weather dependent regulation
not connected or faulty.
No
Pump is not running. Display shows 80 and 1.
No
Daikin Europe NV
Solution:
Yes The home pressure controller may be faulty. Contact the energy company.
Check the ignition pin distance with the checking mold.
Yes
Replace the ignition pin.
Yes Check the setting, see Gas air regulation par.7.7 and par. 7.8.
Check the ignition pin distance with the checking mold.
Yes
Check and/or replace ignition cable.
Replace the ignition unit on the gas block. Replace the ignition pin.
Pin must touch test tool
Solution:
Yes The home pressure controller may be faulty. Contact the energy company.
Yes Check the combustion gas outlet and the air supply system.
Yes Check the setting, see Gas air regulation par.7.7 and par. 7.8.
Yes Replace the boiler controller gasket.
Yes Replace the boiler controller.
Solution:
Yes Check whether the plug is in the socket.
Yes Check the fuse, see Electrical diagram par. 10.1
-
). The
Yes Switch on the boiler with the
Check the wiring.
Check OpenTherm, On/off connection of the unit, or the connection between CH
Yes
boiler and RF room thermostat .Replace the thermostat.
Replace the weather-dependent regulation.
Check the electricity supply.
Yes
Check connector X2 and X4.
Pin must not touch test tool
button.
46