Fault Codes / York / 28

York 28

High

YCAS / YVAA — High differential oil pressure.

York 28: High differential oil pressure. This fault noticeably affects operation.

Possible causes

Oil pump/oil filter blockage or incorrect oil viscosity.

Check steps

Check oil filter and oil pump, verify oil type.

Affected parts

Ölfilter
Ölpumpe

Safety note

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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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