DAI

Daikin MA

Low

VRV / Sky Air — Improper combination of optional controllers for centralized control

Daikin MA: Improper combination of optional controllers for centralized control This fault is usually minor, but points to an underlying cause.

Possible causes

More than one master controller is connected
Faulty setting of centralized control

Check steps

Check number and master/slave role of connected controllers
Correct centralized control settings per the installation manual

Affected parts

Central remote controller
Optional controller

Safety note

Disconnect power before working on the unit

Source: Daikin resmi servis kilavuzu (bagimsiz cift-dogrulandi) — Daikin Industries, Ltd., After Sales Service Division, "Simple Self-Diagnosis by Malfunction Code" (SM-TS3), applies to RA/SkyAir/VRV/Package/Chiller — System division table, code MA: "Improper combination of optional controllers for centralized control." Supposed causes listed: "Improper combination of optional c…

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