Bosch A01 (5243)

Medium

Compress — Cooling inlet sensor TK2 fault.

Bosch A01 (5243): Cooling inlet sensor TK2 fault. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Sensor TK2 or signal cable open/shorted.

Check steps

Check sensor TK2 & signal cable.
Check passive cooling station.

Affected parts

Kühlfühler TK2

Safety note

230V — isolate power.

Source: Bosch resmi servis kılavuzu — Doc: 'A01 Installer Info Cooling inlet temperature sensor TK2 open circuit. Sensor TK2 for frost protection (brine inlet) in the passive cooling station <= -20°C (high resistance), for 3 minutes. Automatic reset when TK2

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

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