13
|
Troubleshooting
Installer reference guide
180
C08AF + EHYKOMB33A
Daikin Altherma R Hybrid
4P471761-1E – 2020.10
Possible causes
Corrective action
No ignition.
Replace the ignition electrode.
No spark. Ignition unit on gas valve
faulty.
▪
Check the cabling.
▪
Check the spark plug cap.
▪
Replace the ignition unit.
Gas/air adjustment NOT correctly set.
147].
Fan faulty.
▪
Check the wiring.
▪
Check the fuse. If necessary, replace
the fan.
Fan dirty.
Clean the fan.
Gas valve faulty.
▪
Replace the gas valve.
▪
Re-adjust the gas valve, see
147].
13.3.13 Symptom: The burner ignites noisily
Possible causes
Corrective action
Gas supply pressure too high.
The house pressure switch may be
faulty. Contact the gas company.
Incorrect ignition gap.
▪
Replace the ignition pin.
▪
Check the ignition electrode gap.
Gas/air adjustment NOT correctly set.
Check the setting. See
Weak spark.
Check the ignition gap.
Replace the ignition electrode.
Replace the ignition unit on the gas
valve.
28.3~30.2 mm
a
a
Spark gap (±4.5 mm)
13.3.14 Symptom: The burner resonates
Possible causes
Corrective action
Gas supply pressure too low.
The house pressure switch may be
faulty. Contact the gas company.
Recirculation of combustion gasses.
Check the flue gas and the air supply.
Gas/air adjustment NOT correctly set.
147].