Midea MV6-i252WV2GN1-E, Руководство по обслуживанию

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V6-i VRF 50/60Hz
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2.14 H7: Unmatched total number of indoor units
Digital display output 2.14.1
Description 2.14.2
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Number of indoor units detected by the outdoor unit not same as number set on main PCB.

All units stop running.

Error code is displayed on the outdoor unit.
Trigger / recover condition 2.14.3
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Trigger condition: Only one indoor unit cannot be detected by the outdoor unit for 8 hours or more than one indoor
unit cannot be detected by the outdoor unit for 3 minutes.

Recover condition: Number of indoor units detected by the outdoor unit is same as number set on main PCB.
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Reset method: Resume automatically.
Possible causes 2.14.4

Number of indoor units set on main PCB not same as actual number of indoor units.

Some indoor units are powered off.
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Communication wires between indoor and outdoor units not connected properly.

Indoor unit PCB damaged.
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Indoor unit without address or indoor unit address duplicated.
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Main PCB damaged.