Fault Codes / York / 33

York 33

High

YCAS / YVAA — Sensor failure.

York 33: Sensor failure. This fault noticeably affects operation.

Possible causes

A system sensor is faulty or delivering implausible values.

Check steps

Check the alarm history to identify the affected sensor; measure the sensor.

Affected parts

Sensor (typ. NTC/PT1000)
Anschlussstecker

Safety note

Isolate power before testing.

Source: York YVAA Style A Installation, Operation & Maintenance Instructions, Table 14 "Operational and Fault/Inhibit Codes" p.114-117 (ManualsLib scan of official manual)

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

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