Below is an example of information that can be reflected on CoolMaster LCD.
In this example VRV system has 3 indoor units with external addresses 1.01, 1.02 and 1.03. You can gather following information looking at the CoolMaster LCD.
|Unit||ON/OFF||Set Temperature||Fan Speed||Mode||Failure Code|
|1.02||ON (+)||20°||Low||Fan||No (OK)|
The strange string U03 G03 A3 U4 means that there are 3 indoor units – U03 and 3 indoor units with preset external address – G03. Failure codes A3 and U4 were detected in system.