Bitzer 7406

Medium

ECOLINE — Sensor: Discharge Pressure Signal High

Bitzer 7406: Sensor: Discharge Pressure Signal High This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Short circuit to supply voltage or sensor defective
Signal above allowable measuring range

Check steps

Check wiring for short circuits
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, manualslib.com/manual/2504095/Bitzer-Cm-Rc-01.html, page 28 alarm list table), code 7406 = "Sensor: Discharge Pressure Signal High", Fault=Yes, Warning=No, Critical=No, Reset=Timed. Cross-checked context: surrounding codes 7403 (Suction Pressure Signal Low), 7404 (Suction…

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

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