Fault Codes / Bitzer / 3411

Bitzer 3411

Critical

ECOLINE — Discharge Pressure High

Bitzer 3411: Discharge Pressure High This fault typically halts operation and needs immediate attention.

Possible causes

Dirty condenser or fan failure, insufficient condenser cooling
Non-condensable gases (air) in system or refrigerant overcharge

Check steps

Check condenser fins and fan operation, clean if necessary
Compare refrigerant charge and system pressure against manufacturer specs

Affected parts

Kondensator/Condenser
Verflüssigerlüfter/Condenser fan
Hochdruckwächter/High pressure switch

Safety note

Depressurize the high side before servicing; wear safety goggles.

Source: Bitzer resmi servis kilavuzu (bagimsiz cift-dogrulandi) — BITZER Reference Guide "Compressor Control Module CM-RC-01", v.3.0, §9.3 Alarm List, p.27 (source PDF: cis.bitzer.ru/files/File/IQ-Products/CM-RC-01.pdf; mirrored on ManualsLib as "BITZER CM-RC-01 Reference Manual"). Table row for code 3411: Text = "Discharge Pressure High", Warning = No, Critical = No, Fault = Y…

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

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