Bosch A01 (5533)

Medium

Compress — Compressor sensor TR1 — open/short circuit.

Bosch A01 (5533): Compressor sensor TR1 — open/short circuit. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Sensor TR1 faulty / signal cable.

Check steps

Measure sensor TR1 resistance & compare with table.

Affected parts

Verdichterfühler TR1

Safety note

Mind hot discharge side.

Source: Bosch/IVT/Buderus Compress Wärmepumpe Alarm-Tabelle (lvisawo.fi/jseducation.se resmi servis kılavuzu aynası) — Confirmed via BOSCH-Vikakoodit-AW.pdf: cause code 5533, Customer, 'Alarm heat pump Z1 compressor sensor TR1 faulty', alarm after 3 faults in 3 hours or 15 min failure/short circuit on sensor TR1.

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

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