Fault Codes / Trane / 125

TR

Trane 125

High

CGAM / RTAC — Phase loss / phase sequence wrong.

Trane 125: Phase loss / phase sequence wrong. This fault noticeably affects operation.

Possible causes

Phases swapped / missing.

Check steps

Check 3 phases; swap 2 if needed.

Affected parts

Phasenwächter
Sicherungen
Klemmenblock

Safety note

400V — isolate power.

Source: Trane CGAM/RTAC Service Manual (TM-001)

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

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