Bitzer 7405

Medium

ECOLINE — Sensor: Discharge Pressure Signal Low

Bitzer 7405: Sensor: Discharge Pressure Signal Low This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Broken cable or short circuit at discharge pressure sensor
Signal below allowable measuring range

Check steps

Check wiring and connector of discharge pressure sensor
Compare sensor to reference gauge, replace if needed

Affected parts

Hochdrucksensor/Discharge pressure sensor

Safety note

De-energize and depressurize before servicing.

Source: Bitzer resmi servis kilavuzu (bagimsiz cift-dogrulandi) — BITZER CM-RC-01 Reference Manual (ManualsLib, p.28), Alarm List: code 7405 "Sensor: Discharge Pressure Signal Low", Fault=Yes, Warning=No, Critical=No, Reset=Timed. URL: https://www.manualslib.com/manual/2504095/Bitzer-Cm-Rc-01.html?page=28

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

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