Samsung E440

Low

DVM PLUS III — Heating operation prohibited because ambient temperature exceeds 30°C.

Samsung E440: Heating operation prohibited because ambient temperature exceeds 30°C. This fault is usually minor, but points to an underlying cause.

Possible causes

Heating requested at excessively high outdoor temperature (normal protection function).
Outdoor temperature sensor reads erroneously high value.

Check steps

Compare actual outdoor temperature with a reference thermometer.
Replace sensor if it deviates; otherwise wait for operation within allowed temperature range.

Affected parts

Dış ortam sıcaklık sensörü

Safety note

De-energize before servicing.

Source: Samsung resmi servis kilavuzu (bagimsiz cift-dogrulandi) — Samsung DVM PLUS III Technical Data Book, ManualsLib (manual ID 1223320), sayfa 60 — "E-440: Prohibition of heating operation when the ambient air temperature is over 30°C" (kod manuelde "E-440" biçiminde tireli yazılıyor)

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

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