Bosch A01 (5298)

Critical

Compress — High pressure alarm (compressor envelope exceeded).

Bosch A01 (5298): High pressure alarm (compressor envelope exceeded). This fault typically halts operation and needs immediate attention.

Possible causes

Low flow / heat dissipation.
Overcharge / poor condenser.

Check steps

Check flow, bleeding & heat dissipation.
Check high pressure & charge.

Affected parts

Hochdrucksensor
Umwälzpumpe

Safety note

High-pressure side — hot & pressurized. Follow F-Gas.

Source: Bosch resmi servis kılavuzu — Cross-verified: code 5298 = Z1 High pressure alarm JR1, warning if JR1>67C (Pe=44bar) — matches 'Hochdruckalarm'.

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

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