Fault Codes / Bosch / H01 (5252)

Bosch H01 (5252)

High

Compress — Flow at indoor unit restricted.

Bosch H01 (5252): Flow at indoor unit restricted. This fault noticeably affects operation.

Possible causes

Filter/valves partly closed / air.

Check steps

Check operating mode, filter & valves.
Bleed & ensure flow.

Affected parts

Schmutzfilter
Umwälzpumpe

Safety note

Depressurize before working.

Source: Bosch resmi servis kılavuzu — Doc: 'H01 Customer Info Z1 Flow rate betw. outdoor and indoor unit restricted (check filter). Warning is given when heat carrier delta TC3-TC0 > 13 K.'

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

Look up in Enthalio →

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