Fault Codes / Copeland / 1 Flash

CO

Copeland 1 Flash

High

CoreSense — Long run time (efficiency warning).

Copeland 1 Flash: Long run time (efficiency warning). This fault noticeably affects operation.

Possible causes

Undersized / high load.
Refrigerant/efficiency issue.

Check steps

Check load & setpoints.
Check charge & superheat.

Affected parts

Servicehandbuch — Fehlercode nachschlagen

Safety note

—

Source: Emerson AE8-1385 CoreSense Diagnostics (Copeland Scroll UltraTech), Tablo 1/2 s.9-10

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

Look up in Enthalio →

Related fault codes

Pressure switch tripped (HP or LP).2 Flashes Locked rotor (compressor not turning).4 Flashes Welded contactor (runs after stop signal).8 Flashes Low voltage (supply too low).9 Flashes Module fault (CoreSense module internal failurSolid Red Pressure switch cycling — compressor runs only3 Flashes