Bosch A01 (5512)

Critical

Compress — Compressor outside allowed envelope (>60 s).

Bosch A01 (5512): Compressor outside allowed envelope (>60 s). This fault typically halts operation and needs immediate attention.

Possible causes

Pressures/temps outside compressor envelope.

Check steps

Check pressures, charge & flow.

Affected parts

Kältemittel
Sensoren

Safety note

High-pressure side & follow F-Gas.

Source: Bosch/IVT/Buderus Compress Wärmepumpe Alarm-Tabelle (lvisawo.fi/jseducation.se resmi servis kılavuzu aynası) — Confirmed via direct PDF read p.23: code 5512, Installer, 'Warning Z1 Condensation temp. Outside control range', warning if JR1 temperature > allowed envelope for more than 30 seconds (source explicit

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