DAI

Daikin HF

Medium

VRV / Sky Air — Alarm in thermal storage unit or storage controller

Daikin HF: Alarm in thermal storage unit or storage controller This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Thermal storage group defective wiring
Excess of thermal storage tank numbers or defective setting

Check steps

Check the wiring of the thermal storage group
Verify tank number setting against the manual

Affected parts

Thermal storage controller

Safety note

Disconnect power before working on the unit

Source: Daikin resmi servis kilavuzu (bagimsiz cift-dogrulandi) — Daikin Industries, Ltd. — After Sales Service Division, "Simple Self-Diagnosis by Malfunction Code" (SM-TS3), Outdoor Unit table, code HF: Malfunction Contents = "Alarm in thermal storage unit or storage controller"; Supposed causes = "Thermal storage group defective wiring / Defective setting / Excess of thermal…

Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.

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