Fault Codes / Samsung / E221

SA

Samsung E221

High

Outdoor unit temperature sensor error.

Samsung E221: Outdoor unit temperature sensor error. This fault noticeably affects operation.

Possible causes

NTC sensor faulty (short/open).
Connector corroded/loose.

Check steps

Measure NTC resistance (~10kΩ at 25°C).
Check connector and wiring.

Affected parts

NTC-Fühler (Außen)

Safety note

De-energize before working.

Source: Samsung DVM/AC Service Manual (removeandreplace.com + decorexpro.com çapraz doğrulama)

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

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