Fault Codes / Lennox / 12

LE

Lennox 12

Critical

LMC / Compactor — Low pressure switch tripped.

Lennox 12: Low pressure switch tripped. This fault typically halts operation and needs immediate attention.

Possible causes

Low refrigerant / stop valve closed.

Check steps

Measure suction, leak test.

Affected parts

Niederdruckschalter
Kältemittel

Safety note

Follow F-Gas.

Source: Lennox LMC Chiller Service Manual

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

Look up in Enthalio →

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