Gree GMV-ND07PLS/A-T(U) User Manual

GREE Multi Variable Air Conditioners Indoor Unit
145
Troubleshooting:
1.3.16 “L7” No master IDU
Error display: IDU wired controller and IDU receive light board will display
Error judgment condition and method:
No master IDU error will happen when there is no master IDU in the system
Possible reason:

Master IDU is offline

The mainboard of master IDU is replaced

The mainboard of master IDU has error

Gree GMV-ND07PLS/A-T(U) Specifications

General

Brand	Gree
Model	GMV-ND07PLS/A-T(U)
Category	Air Conditioner
Language	English