Fujitsu Airstage J-II - Indoor Unit - Remote Controller Communication Error

Error Contents :
Remote Controller
Communication Error
Symptom :
Error Code display [ 1 2 ]
Details :
Trouble shooting 82
Cause 1 : Check connection
Cause 2 : Check indoor unit remote controller address.
Cause 3 : Noise
Cause 4 : Remote controller trouble
Cause 5 : Indoor unit PCB trouble
OK
OK
OK
OK
Check cable
Check indoor unit power supply
Check if the indoor unit remote controller addresses are sequentially
set from 0.
Replace remote controller.
Change Controller PCB and set up the original address.
Remove the surrounding noise.
Condition of occurrence : When signal from indoor unit does not entert enter
Release condition : When signal from indoor unit entered
04-80
Indoor Unit
6. Wired(UTY-RNK ) and Simple Remote Controller (UTY-RSK ,RHK )