Fujitsu ASYG18KMTB - Page 311

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Check point 3. Replace inverter PCB

If check point 1 to 2 do not improve the symptom, replace main PCB.

5-2. Inverter compressor - (03-91) - 5. Service parts information

TROUBLESHOOTING

Main Page

Table of Contents219
E: 77. Heat Sink Thermistor Error (Outdoor Unit)279
E: 86. High Pressure Switch Error (Outdoor Unit)280
E: 94. over Current Error (Outdoor Unit)281
E: 95. Compressor Motor Control Error (Outdoor Unit)283
E: 97. Outdoor Unit Fan Motor Error (Outdoor Unit)284
E: 99. 4-Way Valve Error (Outdoor Unit)285
E: 9A. Coil 1 (Expansion Valve 1) Error287
E: A1. Discharge Temperature Error (Outdoor Unit)288
E: A3. Compressor Temperature Error (Outdoor Unit)290
E: A8. Refrigerant Leakage Sensor Error (Indoor Unit)292
Troubleshooting Without Error Code293
Indoor Unit-No Power293
Outdoor Unit-No Power294
No Operation (Power Is On)295
No Cooling/No Heating297
Abnormal Noise299
Water Leaking300
Troubleshooting with Error Code (for Wireless LAN Adapter)301
E: 18. External Communication Error between Indoor Unit and Wireless LAN Adapter301
Network Communication Error between Wireless LAN Router and Wireless LAN Adapter302
E: 18. Communication Error304
E: 18. Wireless LAN Adapter Non-Energized306
Mobile App Setting Method307
Service Parts Information309
Compressor309
Inverter Compressor310
Outdoor Unit Electronic Expansion Valve (EEV)312
Indoor Unit Fan Motor314
Outdoor Unit Fan Motor319
Thermistor Resistance Values320
Indoor Unit320
Outdoor Unit321
Rotation Number Control of Compressor331
Cooling Operation331
Heating Operation340
Dry Operation341
Rotation Number of Compressor at Normal Start-Up348
Rotation Number of Compressor Limitation by Outdoor Temperature349
Auto Changeover Operation350
Fan Control352
Indoor Fan Control352
Outdoor Fan Control382
Louver Control384
Horizontal Louver Control384
Vertical Louver Control386
Adjust the Horizontal Louver386
Individual Louver Control387
All Louver Control387
Swing Operation388
Timer Operation Control389
Wireless Remote Control389
Wired Remote Control393
Defrost Operation Control396
Defrost Operation in Heating Operation Stopped397
Various Control398
Auto Restart398
MANUAL AUTO Operation398
Forced Cooling Operation399
C HEAT Operation399
ECONOMY Operation400
POWERFUL Operation400
Fresh Air Control (for Other than 07-14KMTB and KMCC Series Wall Mounted Type)400
Compressor Preheating401
External Electrical Heater Control (for Compact Cassette, Mini Duct, Slim Duct, KGTE, KGTF, KMTE, KMCE, KMCF, KETE[-B], and KETF[-B] Series Wall Mounted and Ceiling Types)401
Electronic Expansion Valve Control401
Drain Pump Control402
Prevention to Restart for 3 Minutes (3 Minutes St)405
4-Way Valve Control405
Human Sensor for Energy Saving (for KGTB, KGTE, and KGTF Series Wall Mounted and Ceiling Types)406
Various Protections407
Discharge Gas Temperature Over-Rise Prevention Control407
Anti-Freezing Control (Cooling and Dry Mode)407
Current Release Control408
Indoor Unit Fan Motor over Temperature Protection409
Compressor Temperature Protection410
High Pressure Protection410
Low Outdoor Temperature Protection410
High Temperature and High Pressure Release Control411
Function Settings (for Indoor Unit)415
Compact Cassette, Mini Duct, Slim Duct Types Indoor Unit (Setting by DIP Switch)415
Indoor Unit (Setting by Wireless Remote Controller)417
Indoor Unit (Setting by Wired Remote Controller)434
Indoor Unit (Setting by Simple Remote Controller)445
Function Details452
Wired Remote Controller (UTY-RNNYM)462
Wired Remote Controller (UTY-RVNYM)464
Wired Remote Controller (UTY-RLRY)465
Wired Remote Controller (UTY-RNRYZ*)465
Simple Remote Controller (UTY-RSNYM)466
Function Settings (for Outdoor Unit)467
Setting Methods467
Outdoor Unit Low Noise Operation Function (Option)470
Current Limit Function470
Check and Test471
Check Run471
Test Run477
Error Code478
Pump down481

Fujitsu ASYG18KMTB - Page 311

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