Indoor / Outdoor Unit Error
Error Code display [ 5 U ]
Other controls are left as they are.
Condition of occurrence : When error occurred on Indoor/Outdoor unit that is connected to Network Convertor.
Release condition : When the error of Indoor/Outdoor unit that is connected to Network Convertor is released.
Cause 1 : Error occurred in Indoor unit
Refer to Indoor Unit trouble shooting.
(Removal of error of indoor unit connected to network converter)
Cause 2 : Error occurred in Outdoor unit
Refer to Outdoor Unit trouble shooting.
(Removal of error of outdoor unit connected to network converter)
Software Error
Error Code display [ C A ]
All the control items do not operate.
Other Controls are left they are.
Details :
Condition of occurrence : Micon program performed an abnormal control.
Error of inside information of EEPROM.
initial setting of Network Converor PCB was not normally performed.
Release condition : Micon has been reset, and the control of Network Convertor became normal.
When error disappeared and Network Convetor becomes available to control.
Cause 1 : External noise
Check continuation of error.
(1) If error is released automatically, it is not a defect of PCB. Remove the surrounding noise source around Network Convertor.
(2) If error is not released automatically, check followings.
After pressing SW104 of Network Convertor PCB for 5 seconds or turning on power.
Does error code display reappear?
OK
YES
OK
It is not a defect of PCB. Remove the surrounding noise source.
Remove the surrounding noise source.
Cause 2 : Network Convertor is defective.
Replace Network Convertor.
04-75
Error Contents :
Symptom :
Trouble shooting 75
Error Contents :
Symptom :
Trouble shooting 76
OK
NO
Details :
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: ......