Daikin Altherma EVLQ05+08CA, Руководство по установке для специалистов

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13 | Troubleshooting
Installer reference guide
209
EHYH EHYHBH/X08AF + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1F – 2020.10
Possible causes Corrective action
The disinfection operation was stopped
manually: with the user interface
displaying the DHW home page and its
user permission level set to
Installer , the button was pressed
during disinfection operation.
Do NOT press the button while the
disinfection function is active.
13.3.9 Symptom: Boiler abnormality detection (HJ-11 error)
Possible causes Corrective action
Communication cable problem Mount the communication cable
between the gas boiler and the indoor
unit properly.
Boiler error Check the boiler display for error
information.
13.3.10 Symptom: Boiler/hydrobox combination abnormality (UA-52 error)
Possible causes Corrective action
Boiler/hydrobox mismatch Make sure that the . setting is the
following for:
▪ 0=for EH EHYHBH08
▪ 1=for EHYHBX08
Incompatibility of software Update the boiler and hydrobox
software to the latest version.
13.3.11 Symptom: The burner does NOT ignite
Possible causes Corrective action
Gas tap is closed. Open the gas tap.
Air in the gas tap. Remove air from the gas pipe.
Gas supply pressure too low. Contact the gas supply company.
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. Check the adjustment. See "To check
the CO₂ setting" [
4
177].
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 "To check
the CO₂ setting" [
4
177].