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Matthew CoxSep 12, 2025
What should I do if my Toshiba MMY-MUP0721HT6P-UL Air Conditioner displays a check code because there are two or more indoor units set up with priority?
- AAndrea BurgessSep 12, 2025
If your Toshiba Air Conditioner displays a check code because there are two or more indoor units set up with priority, identify the indoor units indicating “L05,” and set only one unit with priority.
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