Fujitsu AB*A12, Service Manual

Page: 166 / 322

Error Contents :
Communication Error
with Standard Remote Controller
Symptom :
Error Code display [ 18 ] Control/Display from Standard Remote is
not available. Other controls are left as they are.
Details :
Condition of occurrence : The communication between Standard Remote and Network Convertor was not normally performed.
Release condition : When the communication between Standard Remote and Network Convertor resumes normal operation.
Cause 2 :
Defective or open connection of cable wire between Network Converter and Connected Remote Controller.
After the following are checked, the power supply is reset.
p
Check connection cable wire between Network Convertor and Connected Remote Controller.
p
Check connection between Control PCB and Terminal.
Cause 3 : Incorrect setting of Network Converter's DIP-SW107[2] (Wired RC Validity setting)
p
Check Network Convertor PCB DIP-SW107[2].
Cause 4 : Incorrect selection of Remote Controller
p
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)
p
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
p
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 75
06-75