Fujitsu Airstage J-II, Service Manual

Page: 135 / 209

Error Contents :
Communication Error
with Standard Remote Controller
Symptom :
Error Code display [ 1 2 ] Control/Display from Standard Remote s
not available. Other controls are left as they are.
Details :
Condition of occurrence : The communication between Standard Remote Controller and Network Convertor
was not normally performed.
Release condition : When the communication between Standard Remote Controller and Network Convertor
resumes normal operation.
Cause 2 :
Defective or open connection of cable wire between Network Convertor and Connected Remote Controller.
After the following are checked, the power supply is reset.
Check connection cable wire between Network Convertor and Connected Remote Controller.
Check connection between Control PCB and Terminal.
Cause 3 : Incorrect setting of Network Convertor's DIP-SW107[2] (Wired RC Validity setting)
Check Network Convertor PCB DIP-SW107[2].
Cause 4 : Incorrect selection of Remote Controller
Check connection Remote Controller. (Is it specified with the Installation Manual of Network Convertor?)
OK
Cause 5 :
Incorrect setting of Remote Controller's DIP-SW (Number of connected remote controllers)
Check DIP-SW of Remote Controller.
OK
Cause 6 : Defective Remote Controller or Network Convertor.
Replace Remote Controller or Network Convertor.
Cause 1 : External noise
After pressing SW104 of Network Convertor PCB for 5 seconds or turning on power.
Does error code display reappear?
It is not a defect of PCB. Remove the surrounding noise source. Remove the surrounding noise source.
YES
OK
NO
OK
OK
Trouble shooting 71
04-72