Panasonic CU-8ME1XPK - Page 344

PACD011001C2
Troubleshooting Urban Multi “MX1R, ME1R Series” Using R-407C 323
3DUW#7
3DUW#73DUW#7
3DUW#7
7URXEOHVKRRWLQJ
7URXEOHVKRRWLQJ7URXEOHVKRRWLQJ
7URXEOHVKRRWLQJ
1. Operation Flowcharts..........................................................................325
1.1 Indoor Unit Operation Flowchart ..........................................................325
1.2 Outdoor Unit Operation Flowchart........................................................330
2. Troubleshooting by Remote Controller ...............................................334
2.1 The INSPECTION / TEST Button.........................................................334
2.2 Self-diagnosis by Wired Remote Controller .........................................335
2.3 Self-diagnosis by Wireless Remote Controller.....................................336
2.4 Operation of The Remote Controller’s Inspection /
Test Operation Button ..........................................................................339
2.5 Remote Controller Service Mode .........................................................340
2.6 Remote Controller Self-Diagnosis Function
(Display of Malfunction Code) ..............................................................342
3. Troubleshooting ..................................................................................344
3.1 Indoor Unit: Error of External Protection Device ..................................344
3.2 Indoor Unit: PC Board Defect...............................................................345
3.3 Indoor Unit: Malfunction of Drain Level Control System (33H).............346
3.4 Indoor Unit: Fan Motor (M1F) Lock, Overload......................................347
3.5 Indoor Unit: Malfunction of Swing Flap Motor (M1S)............................348
3.6 Indoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E)........................................................349
3.7 Indoor Unit: Drain Level above Limit ....................................................350
3.8 Indoor Unit: Malfunction of Capacity Determination Device.................351
3.9 Indoor Unit: Malfunction of Thermistor (R2T) for Liquid Pipe...............352
3.10 Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes ................353
3.11 Indoor Unit: Malfunction of Thermistor (R1T) for Air Inlet.....................354
3.12 Indoor Unit: Malfunction of Thermostat Sensor in Remote Controller..355
3.13 Outdoor Unit: Actuation of Safety Device.............................................356
3.14 Outdoor Unit: PC Board Defect............................................................357
3.15 Outdoor Unit: Actuation of High Pressure Switch.................................358
3.16 Outdoor Unit: Actuation of Low Pressure Switch .................................359
3.17 Outdoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E)........................................................360
3.18 Outdoor Unit: Abnormal Discharge Pipe Temperature.........................361
3.19 Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air............362
3.20 Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R3T)...........363
3.21 Outdoor Unit: Malfunction of Thermistor (R4T) for Suction Pipe..........364
3.22 Outdoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger ....365
3.23 Outdoor Unit: Malfunction of Discharge Pipe Pressure Sensor ...........366
3.24 Outdoor Unit: Malfunction of Suction Pipe Pressure Sensor................367
3.25 Outdoor Unit: Malfunction of Oil Temperature Thermistor (R5T) .........368
3.26 Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure......................................................369
3.27 Negative Phase, Open Phase..............................................................370