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AO G12KATA Series
Fujitsu AO G12KATA Series Service Manual
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AIR CONDITIONER
4-unit multi-split type,
5-unit multi-split type
SERVICE MANUAL
INDOOR
AUXG07–22KVLA
ARXG07–14KSLAP
ARXG18KSLAP
ARXG07–14KLLAP
ARXG18KLLAP
ARXG22KMLB
ASHG07–14KGTB
ASHG07–14KGTE
ASHG18–24KMTB
ASHG18–24KMTE
ASHG07–14KMTB
ASHG07–14KMCC
ASHG07–14KMCE
ASHG07–14KETA
ASHG07–14KETE
OUTDOOR
ASHG07–14KETA-B
ASHG07–14KETE-B
ABHG18–22KRTA
AGHG09–14KVCA
AOHG30KBTA4
AOHG36KBTA5
SR_MU004EG_13
2022.08.08
2
Table of Contents
Contents (Continued)
215
Table of Contents
215
E: 86. High Pressure Switch Error (Outdoor Unit)
266
E: 94. over Current Error (Outdoor Unit)
267
E: 95. Compressor Motor Control Error (Outdoor Unit)
269
E: 97. Outdoor Unit Fan Motor Error (Outdoor Unit)
270
E: 99. 4-Way Valve Error (Outdoor Unit)
271
E: 9A. Coil 1 (Expansion Valve 1) Error
273
E: A1. Discharge Temperature Error (Outdoor Unit)
274
E: A3. Compressor Temperature Error (Outdoor Unit)
276
E: A8. Refrigerant Leakage Sensor Error (Indoor Unit)
278
Troubleshooting Without Error Code
279
Indoor Unit-No Power
279
Outdoor Unit-No Power
280
No Operation (Power Is On)
281
No Cooling/No Heating
283
Abnormal Noise
285
Water Leaking
286
Troubleshooting with Error Code (for Wireless LAN Adapter)
287
E: 18. External Communication Error between Indoor Unit and WLAN Adapter
287
Wireless LAN Adapter Error
288
Network Communication Error between Wireless LAN Router and WLAN Adapter
289
E: 18. Communication Error
291
E: 18. Wireless LAN Adapter Non-Energized
293
Mobile App Setting Method
294
Service Parts Information
299
Compressor
299
Inverter Compressor
300
Outdoor Unit Electronic Expansion Valve (EEV)
302
Indoor Unit Fan Motor
304
Outdoor Unit Fan Motor
309
Thermistor Resistance Values
310
Indoor Unit
310
Outdoor Unit
311
4. Control and Functions
318
Cooling Operation
321
Rotation Number Control of Compressor
321
Heating Operation
329
Dry Operation
330
Rotation Number of Compressor at Normal Start-Up
336
Rotation Number of Compressor Limitation by Outdoor Temperature
337
Auto Changeover Operation
338
Fan Control
340
Indoor Fan Control
340
Outdoor Fan Control
373
Horizontal Louver Control
375
Louver Control
375
Adjust the Horizontal Louver
377
Vertical Louver Control
377
All Louver Control
378
Individual Louver Control
378
Swing Operation
379
Timer Operation Control
380
Wireless Remote Control
380
Wired Remote Control
384
Defrost Operation Control
387
Defrost Operation in Heating Operation Stopped
388
Auto Restart
389
MANUAL AUTO Operation
389
Various Control
389
C HEAT Operation
390
Forced Cooling Operation
390
ECONOMY Operation
391
Fresh Air Control (for Other than 07-14KMTB and KMCC Series Wall Mounted Types)
391
POWERFUL Operation
391
Compressor Preheating
392
Electronic Expansion Valve Control
392
External Electrical Heater Control (for Compact Cassette, Mini Duct, Slim Duct, Medium Static Pressure Duct, KGTE, KMTE, KMCE, and KETE Series Wall Mounted and Ceiling Types)
392
Drain Pump Control
393
4-Way Valve Control
396
Prevention to Restart for 3 Minutes (3 Minutes St)
396
Human Sensor for Energy Saving (for KGTB Series and KGTE Series Wall Mounted and Ceiling Types)
397
Anti-Freezing Control (Cooling and Dry Mode)
398
Discharge Gas Temperature Over-Rise Prevention Control
398
Various Protections
398
Current Release Control
399
Indoor Unit Fan Motor over Temperature Protection
400
Compressor Temperature Protection
401
High Pressure Protection
401
Low Outdoor Temperature Protection
401
High Temperature and High Pressure Release Control
402
5. Filed Working
404
Compact Cassette, Mini Duct, Slim Duct Types Indoor Unit (Setting by DIP Switch)
405
Function Settings (for Indoor Unit)
405
Indoor Unit (Setting by Wireless Remote Controller)
407
Indoor Unit (Setting by Wired Remote Controller)
424
Indoor Unit (Setting by Simple Remote Controller)
435
Function Details
442
Wired Remote Controller (UTY-RNNGM)
451
Wired Remote Controller (UTY-RVNGM)
453
Wired Remote Controller (UTY-RLRG)
454
Wired Remote Controller (UTY-RNRGZ*)
454
Simple Remote Controller (UTY-RSNGM)
455
Function Settings (for Outdoor Unit)
456
Setting Methods
456
Changing the Current Limit Function
459
Outdoor Unit Low Noise Operation Function (Option)
459
Check and Test
460
Check Run
460
Test Run
466
Error Code
467
Pump down
470
Other manuals for Fujitsu AO G12KATA Series
Manual
403 pages
Design & Technical Manual
567 pages
Service Instruction
82 pages
4
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Fujitsu AO G12KATA Series Specifications
General
Brand
Fujitsu
Model
AO G12KATA Series
Category
Air Conditioner
Language
English
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