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410A MINI-SPLITS 

TROUBLESHOOTING 

GUIDE

           FUJITSU GENERAL AMERICA, INC.

353 Route 46 West

Fairfield, NJ 07004

(866) 952-8324

         (973) 575-03881 Service Dept. Phone 

         (973) 836-0449 Service Dept. Fax

[email protected] Service Dept. Email

 

Revision 03/21/17

Summary of Contents for 9RLS3

Page 1: ...SHOOTING GUIDE FUJITSU GENERAL AMERICA INC 353 Route 46 West Fairfield NJ 07004 866 952 8324 973 575 03881 Service Dept Phone 973 836 0449 Service Dept Fax servicehvac fujitsugeneral com Service Dept...

Page 2: ...Wired Remote Controller System When the address number set by auto setting manual setting are mixed in on RC group When the duplicated address number exists in one RC group Check for wrong wiring conn...

Page 3: ...rror Evaporator pipe thermistor detected an abnormal temperature Check thermistor for open for open or short Check thermistor resistance value Refer to Thermistor character istics table Controller PCB...

Page 4: ...or resistance value Refer to Thermistor characteristics table Check voltage of Main PCB 7 Times 2 Times Continuous 72 Compressor thermistor error Compressor Thermistor Error When the compressor temper...

Page 5: ...out of phase with actual rotor location more than 90 degrees the compressor stops After the compressor restarts if the same operation is repeated within 40 seconds the compressor stops again Check if...

Page 6: ...times within 24 hours Check if 3 way valve is open Check EEV strainer Check outdoor unit fan heat exchanger Check discharge thermistor Check refrigerant amount leak check 10 Times 3 Times Continuous...

Page 7: ...orator Check for correct voltage at panel condenser and evaporator Refer to the Service Instructions manual Serial Signal Troubleshooting for further details 8 Times 0 Wire remote controller error Com...

Page 8: ...or is loose defective contact Rotate fan motor by hand to ensure it is not locked Controller PCB defective 7 Times 2 Times 0F Discharge temperature error The discharge temperature error is activated H...

Page 9: ...ing or piping 2 Times 2 Times Continuous 22 Indoor unit capacity error Indoor Unit Capacity Error The total capacity of the indoor units has been exceeded or is under the minimum acceptable range Chec...

Page 10: ...ch is on for more than 3 minutes error will trigger Check operation of float switch blockages dust etc Remove float and check on off switching operation by using a meter Check connector of CN9 wire Ch...

Page 11: ...value Refer to Thermistor characteristics table Check voltage of Main PCB 7 Times 2 Times Continuous 72 Compressor thermistor error Compressor Thermistor Error Compressor temperature thermistor is ope...

Page 12: ...tance of thermistor Check voltage to thermistor 8 Times 4 Times Continuous 84 Current sensor error Current Sensor Error When input current sensor has detected 0A while the inverter compressor is opera...

Page 13: ...es 1 Time Continuous A1 Discharge temperature error Discharge Temperature Error Protection stop by discharge temperature 230 F 110 C during compressor operation generated 2 times within 24 hours Check...

Page 14: ...Control System Error Manual Auto button error 4 flashes 2 flashes Off Off 20 Power supply 50 HZ 60 HZ detection error 4 flashes 4 flashes Off Off 08 Electronic air clean filter error 4 flashes 7 flash...

Page 15: ...oor unit B Off 6 flashes Off Off 3 way valve thermistor error for indoor unit C Off Off 6 flashes Off 3 way valve thermistor error for indoor unit D Off Off Off 6 flashes Compressor thermistor error 7...

Page 16: ...6 2 Inverter error 6 3 IPM error trip terminal L error 6 5 Discharge temp sensor error 7 1 Compressor temp sensor error 7 2 Heat Ex liquid sensor error 7 3 Outdoor temp sensor error 7 4 Valve sensor...

Page 17: ...mistor error 2 7 2 Heat Ex middle temp sensor error 2 7 3 Heat Ex liquid temp sensor error 2 7 3 Outdoor thermistor error 2 7 4 Heat sink temp sensor error 2 7 7 Current sensor error 2 8 4 Pressure se...

Page 18: ...or unit and branch box Serial communication error between branch boxes 4 Serial communication error between branch boxes 5 Serial communication error between indoor unit A and branch box Serial commun...

Page 19: ...t EX gas inlet thermistor error E212 Number of wires and pipe error E882 Sub cool heat EX gas outlet thermistor error E221 Indoor unit capacity error E831 Liquid pipe thermistor error E242 Number of i...

Page 20: ...shes Continuous blink Continuous blink Outdoor communication error forward reverse transfer error 6 flashes Continuous blink OFF Indoor fan abnormal Continuous blink 2 flashes OFF Outdoor power source...

Page 21: ...or 08 Power source connection error 09 Float switch operated 0A Outdoor temperature sensor error 0c Discharge pipe temperature sensor 11 Model abnormal indoor EPROM abnormal 12 Indoor fan abnormal 13...

Page 22: ...5 ft 49 ft 2 oz ft 9 ft 53A 12RLQ 1 lb 12 oz 49 ft 66 ft 2 oz ft 9 ft 26A 12RL 1 lb 12 oz 49 ft 66 ft 2 oz ft 9 ft 26A 12RLS 2 lbs 9 oz 49 ft 66 ft 2 oz ft 9 ft 26A 12RLS2 12RLS2H 2 lbs 10 oz 49 ft 66...

Page 23: ...164 ft 21 oz ft 16 ft 24A 24RLXFZH 4 lbs 14 oz 98 ft 229 ft 21 oz ft 16 ft 49 ft combined N A 30CLX 30CLX1 4 lbs 10 oz 66 ft 165 ft 43 oz ft 16 ft 36A 34A 30RLXB 4 lbs 10 oz 66 ft 164 ft 43 oz ft 16...

Page 24: ...12 7 67 80 3 68 20 12 54 5 86 62 91 28 14 64 5 62 55 6 1 12 64 6 1 62 9 77 25 10 5 24 49 7 25 15 51 27 49 84 4 89 10 4 89 49 7 86 30 8 04 4 64 39 57 22 26 41 07 40 01 3 95 7 97 3 95 39 6 95 35 6 51 3...

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