Error Contents :
Communication Error
with Group Remote Controller
Symptom :
Error Code display [ 1 2 ] Control/Display from Group Remote is
not available.
Details :
Condition of occurrence : The communication between Group Remote and Network Convertor was not normally performed.
Release condition : When the communication between Group Remote 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-SW103[1 to 4]
(For Convertor setting of Group Remote Controller)
Check Network Convertor PCB DIP-SW103[1 to 4] ON.
OK
OK
Cause 4 : 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
Trouble shooting 67
04-69
Summary of Contents for ARXB07LALH
Page 1: ...Small VRF system for light commercial and home use SERVICE MANUAL...
Page 2: ......
Page 6: ......
Page 7: ...1 TEST RUN...
Page 8: ......
Page 27: ...2 OUTDOOR UNIT OPERATION CONTROL...
Page 28: ......
Page 42: ......
Page 43: ...3 INDOOR UNIT OPERATION...
Page 44: ......
Page 63: ...4 TROUBLE SHOOTING...
Page 74: ......
Page 171: ...5 APPENDING DATA UNIT...
Page 172: ......
Page 174: ...05 02 5 2 WIRING DIAGRAM 5 2 1 Indoor Unit MODELS AUXB07 09 12 14 18 24LALH...
Page 175: ...05 03 MODELS AUXD18 24LALH AUXA30 36 45 54LALH...
Page 176: ...05 04 MODELS ARXB07 09 12 14 18LALH...
Page 177: ...05 05 MODEL ARXB24LATH MODELS ARXB30 36LATH...
Page 178: ...05 06 MODEL ARXB45LATH...
Page 179: ...05 07 MODEL ARXA24LATH MODELS ARXA30 36 45LATH...
Page 180: ...MODELS ARXC36 45LATH 05 08...
Page 181: ...05 09 MODELS ARXD07 09 12 14 18 24LATH...
Page 182: ...MODELS AB A12 14 18 24LBTH 05 10...
Page 183: ...05 11 MODELS AB A30 36 45 54LBTH...
Page 184: ...MODELS AS A07 09 12 14LACH 05 12...
Page 185: ...MODELS AS E07 09 12 14LACH 05 13...
Page 186: ...MODELS AS A18 24 30LACH 05 14...
Page 187: ...05 15 MODELS AJ A36 45 54LALH 5 2 2 Outdoor Unit...
Page 192: ......
Page 193: ...6 DISASSEMBLY PROCESS...
Page 194: ......