Fault Codes / Mitsubishi Electric / 6600

Mitsubishi Electric 6600

Medium

City Multi — Address overlap (duplicate address).

Mitsubishi Electric 6600: Address overlap (duplicate address). This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Two units share the same address.

Check steps

Assign unique address per unit.
Check address setting (SW).

Affected parts

DIP-Schalter Einstellung
Bedienungsanleitung

Safety note

Low voltage — work carefully.

Source: Mitsubishi Electric resmi servis kılavuzu — PUMY-CP p.23 (City Multi PDF): 'Duplex address error (A0) - There are 2 units or more with the same address in their controller among outdoor unit, indoor unit... or remote controller'; PUCY p.6: 'Add

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