Fault Codes / York / 48

York 48

Critical

YCAS / YVAA — Low suction superheat.

York 48: Low suction superheat. This fault typically halts operation and needs immediate attention.

Possible causes

Refrigerant overcharge or liquid flood-back to the compressor.

Check steps

Check refrigerant charge and EEV operation.

Affected parts

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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Related fault codes

Evaporator freeze protection.1 Low pressure cutout (suction).3 High pressure cutout.4 High discharge temperature.5 Water flow switch open / no flow.9 Compressor motor current overload.14