Midea MV6-i730WV2GN1-E User Manual

V6-i VRF 50/60Hz
105
Part
6 - Diagnosis and Troubleshooting
2.14 H7: Unmatched total number of indoor units
Digital display output 2.14.1
Description 2.14.2
 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
 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.
 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.
 Communication wires between indoor and outdoor units not connected properly.
 Indoor unit PCB damaged.
 Indoor unit without address or indoor unit address duplicated.
 Main PCB damaged.

Midea MV6-i730WV2GN1-E Specifications

General

Brand	Midea
Model	MV6-i730WV2GN1-E
Category	Air Conditioner
Language	English