Gree GMV-ND22C/A-T Service Manual

GREE GMV5 INDOOR UNIT SERVICE MANUAL
142
Troubleshooting:
1.2.16 “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-ND22C/A-T Specifications

General

Brand	Gree
Model	GMV-ND22C/A-T
Category	Air Conditioner
Language	English