running next operationMode conflict COOL or HEAT mode can notbe operatedWhen the indoor operating mode conflicts with that ofoutdoor unit, the indoor fault indicator flashes and theconflict appears on the wired controller after 5 minutes.The indoor unit stops. The outdoor operating modeswitches to the mode of the indoor unit. Next,the unit returns to normal. The COOL mode does notconflict with the DRY mode. The FAN mode does notconflict with any mode.19

Carrier 38GJt Owner's Manual & Installation Instructions