Fault Codes / Bosch / A01 (5362)

BO

Bosch A01 (5362)

Critical

Compress — Z1 overvoltage.

Bosch A01 (5362): Z1 overvoltage. This fault typically halts operation and needs immediate attention.

Possible causes

Mains voltage too high / unstable.
Installer board older than v2.02.

Check steps

Measure supply voltage.
Check inverter/board.

Affected parts

Inverter
Installateurplatine

Safety note

High voltage! Let capacitors discharge.

Source: Bosch resmi servis kılavuzu — Cross-verified: code 5362 = Z1 overvoltage, supply voltage >400V for more than 30s — matches 'Z1 Überspannung'.

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

Look up in Enthalio →

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