Fault Codes / Bosch / A01 (5213)

Bosch A01 (5213)

Medium

Compress — Inlet sensor TC0 fault.

Bosch A01 (5213): Inlet sensor TC0 fault. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Sensor TC0 or signal cable open/shorted.

Check steps

Check sensor TC0 & signal cable.
Compare resistance with table.

Affected parts

Fühler TC0

Safety note

230V — isolate power.

Source: Bosch resmi servis kılavuzu — Alarm List 8754, code 5213, Display Code A01, Installer: "Info Z1 Inlet temp. sensor TC0 open circuit — Warning if the resistance of heat carrier return-sensor TC0 > 30 kOhm ... The compressor is stopped." TC0 = heat carrier return/inlet sensor, matching app's Eintrittsfühler TC0…

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

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