Fault Codes / Bitzer / 7402

ECOLINE — Sensor Fault: Discharge Pressure Sensor

Possible causes

• Sensor cable broken or connector loose
• Pressure sensor defective or damaged by overheating

Check steps

• Check cable and connector of the discharge pressure sensor
• Measure sensor signal and compare with a manual gauge, replace sensor if needed

Affected parts

• Hochdrucksensor/Discharge pressure sensor
• Sensorkabel/Sensor cable

Safety note

Source: Bitzer resmi servis kilavuzu (bagimsiz cift-dogrulandi) — BITZER CM-RC-01 Reference Manual (Compressor Control Module), Alarm List / Fault Code Table, category "74-* Sensor – Pressure": code 7402 = "Sensor: Discharge Pressure", Fault=Yes, Reset type=Timed. Verified via ManualsLib-hosted copy of the manual (manualslib.com/manual/2504095/Bitzer-Cm-Rc-01.html, page 27), cros…

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

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