Fault Codes / York / 4

YO

York 4

Medium

YCAS / YVAA — High pressure cutout.

York 4: High pressure cutout. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Condenser / fan / overcharge.

Check steps

Clean condenser, check fan & pressure.

Affected parts

Druckschalter (HP)
Verflüssiger

Safety note

High-pressure side — hot & pressurized. Follow F-Gas.

Source: York YCAS/YVAA Service Manual

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

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