Bosch A01 (5366)

Critical

Compress — Superheat of discharge gas too low (< 20 K).

Bosch A01 (5366): Superheat of discharge gas too low (< 20 K). This fault typically halts operation and needs immediate attention.

Possible causes

Overcharge / EXV mis-controlling.
Liquid slugging risk.

Check steps

Check superheat & charge.
Check EXV operation & sensors.

Affected parts

Expansionsventil (EXV)
Kältemittel

Safety note

Follow F-Gas.

Source: Bosch resmi servis kılavuzu — Cross-verified: code 5366 = Z1 low superheat of refrigerant, suction gas overheat <2 degrees and discharge gas overheat <20 degrees — conceptually matches 'Heißgas Überhitzung zu niedrig' (low superheat concept); researc

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

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