Fault Codes / Copeland / Solid Yellow

CO

Copeland Solid Yellow

Medium

Scroll / CoreSense — Warning — service recommended / trend abnormal.

Copeland Solid Yellow: Warning — service recommended / trend abnormal. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Operating parameter approaching limit.

Check steps

Connect diagnostic tool & check trends.

Affected parts

Servicehandbuch — Fehlercode nachschlagen

Safety note

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Source: Copeland CoreSense Diagnostics User Manual

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

Look up in Enthalio →

Related fault codes

Trip: system pressure shutdown (HP trip).3 Flashes Compressor ground fault / winding earth short.6 Flashes Multiple compressor trips — protection event.7 Flashes Normal operation — compressor runs without fauSolid Green Pressure switch tripped (HP or LP).2 Flashes Locked rotor (compressor not turning).4 Flashes