Fault Codes / Bitzer / 4202

Bitzer 4202

High

ECOLINE — Motor Phase Sequence Fault

Bitzer 4202: Motor Phase Sequence Fault This fault noticeably affects operation.

Possible causes

Two phases swapped during rewiring or after repair
Incorrect rotation direction of the mains supply

Check steps

Verify rotation field with a phase rotation tester
Swap two phases at the terminal board, then retest

Affected parts

Klemmenbrett/Terminal board
Netzzuleitung/Supply cable

Safety note

De-energize the unit before swapping phases.

Source: Bitzer resmi servis kilavuzu (bagimsiz cift-dogrulandi) — BITZER CM-SW-01 Reference Manual (ManualsLib, mirror at manualslib.com/manual/1798597/Bitzer-Cm-Sw-01.html, page showing the Alarm List table — code range 42-xx "Motor - Supply"), Alarm List: code 4202 = "Motor Phase Sequence", Fault = Yes, Reset type = Extern. Cross-checked: code 4201 (immediately preceding row) =…

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

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