Mode d'emploi DAIKIN FTXB-C

[. . . ] SERVICE MANUAL Inverter Wall Mounted Single Split MODELS FTXN25/35/50/60L RXN25/35/50/60L FTXN25/35/50/60M RXN25/35/50/60M FTXK25/35/50/60A RXK25/35/50/60A FTXN25/35/50/60N RXN25/35/50/60N FTXC25/35/50/60A RXC25/35/50/60A FTXB50/60A RXB50/60A FTXB50/60B RXB50/60B FTXB50/60C RXB50/60C ATXN25/35/50/60L ARXN25/35/50/60L ATXN25/35/50/60M ARXN25/35/50/60M ATXN25/35/50/60N ARXN25/35/50/60N ATXB50/60C ARXB50/60C dd SM-5WM-Y-EU-A3 Downloaded from www. Manualslib. com manuals search engine Downloaded from www. Manualslib. com manuals search engine Table of Contents Table of Contents 1. 0 Inverter Single Split. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1. 1 Product line-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1. 2 Printed Circuit board (PCB) connector wiring diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1. 3 Piping Length & Elevation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2. 0 Function & Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2. 1 Temperature Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2. 2 Cooling and Heating Mode Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2. 3 Fan Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2. 4 Auto Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2. 5 Cold Draft Prevention. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2. 6 Sleep Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2. 7 Quiet Function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2. 8 Eco+ Function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2. 9 ID-OD Communication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2. 10 Thermistors in RXN, RXB, RXC, ARXN, ARXB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2. 11 Minimum Off Time Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2. 12 Auto Restart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2. 13 Auto Random Restart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2. 14 Four Way Valve Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2. 15 Outdoor Fan Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2. 16 Rotation Regulating Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2. 17 Defrost Cycle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 2. 18 Indoor Coil Freeze Prevention. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 2. 19 High Pressure Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 2. 20 Discharge Pipe Temperature Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 2. 21 Oil Recovery Control (Applicable for ARXN, RXN50/60L). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 2. 22 Overall Current Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 3. 0 Service Diagnosis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 3. 1 Error Indication from Indoor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 3. 2 Error code retrieved by handset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 3. 3 Error Indication from Outdoor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 3. 4 Error code description for Inverter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Downloaded from www. Manualslib. com manuals search engine Table of Contents 4. 0 Wiring Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 5. 0 Refrigerant Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 6. 0 Appendix A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 ii Downloaded from www. Manualslib. com manuals search engine Table of Contents Safety Cautions Caution and warnings • • Be sure to read the following safety cautions before conducting repair work. The caution items are classified into “ Warning” and “ Caution”. The “ Warning” items are especially important since they can lead to death or serious injury if they are not followed closely. The “ Caution” items can also lead to serious accidents under some conditions if they are not followed. [. . . ] No Check indoor coil thermistor resistance. Yes Clean fan blower. # Refer to thermistor resistance table. (Page 72, 6. 1) Does it conform to the thermistor resistance table?No Change indoor thermistor. Yes Change indoor PCB. 38 Downloaded from www. Manualslib. com manuals search engine Service Diagnosis A6 Description Possible Root cause Troubleshooting INDOOR FAN MOTOR ABNORMALITY 1. Indoor fan motor winding short, or the motor lead wire broken. 2. Indoor PCB faulty. Turn off power supply and rotate fan by hand. Does it rotate?Yes Check fan motor connector condition. No Change fan motor. Does it connect properly?No Change fan motor. No Connect correctly. C4 Description Possible Root cause Troubleshooting INDOOR HEAT EXCHANGER THERMISTOR ABNORMALITY 1. Thermistor, connector faulty. 2. Indoor PCB faulty. Check the thermistor connector condition. Normal?Yes Check thermistor resistance value. No Correct the connection # Refer thermistor resistance table. (Page 72, item 6. 1) Normal? No Replace thermistor Yes Replace PCB. *Remark: Refer Thermistor resistance check procedure in Appendix A. (Page 72, item 6. 1) 39 Downloaded from www. Manualslib. com manuals search engine Service Diagnosis C9 Description Possible Root cause Troubleshooting INDOOR ROOM THERMISTOR ABNORMALITY 1. Thermistor, connector faulty. 2. Indoor PCB faulty. Check the thermistor connector condition. Normal?Yes Check thermistor resistance value. No Correct the connection # Refer thermistor resistance table. (Page 72, item 6. 1) Normal? No Replace thermistor Yes Replace PCB. 40 Downloaded from www. Manualslib. com manuals search engine Service Diagnosis E1 Description Possible Root cause OUTDOOR PCB ABNORMALITY 1. Micro Controller program run-away due to external factor such as Noise, Momentary voltage drop, Momentary power failure. 4. Broken hardness between PCB. Turn on the power again. Troubleshooting Error still occur?Yes Check if the outdoor unit is grounded. No Replace outdoor PCB. Grounded? No Ground the system. Yes Is the harness broken?No Replace outdoor PCB. 41 Downloaded from www. Manualslib. com manuals search engine Service Diagnosis E5 (All models except ARXN/RXN50/60L , RXB50/60A) Description Possible Root cause COMPRESSOR OVERLOAD 1. Refrigerant Shortage. 6. Electronic expansion valve defective. 7. Disconnection of discharge pipe thermistor. 10. Electronic expansion valve or coil malfunction. 11. Disconnection of 2 terminals of OL. Troubleshooting Discharge pipe thermistor disconnected?Check resistance of 2 terminals connector S40. No Resistance between 2 Yes Replace electronic expansion or the coil. Yes Insert thermistor in position. # Refer to thermistor resistance table. (Page 72, item 6. 1) No Connect back the connectors. Disconnect 2 terminals of OL. Yes Check electronic expansion. Malfunction?Refer refrigerant line check procedures. Replace outdoor PCB. Malfunction? Yes No Replace outdoor PCB. *Remark: Please refer to Appendix A for Electronic expansion valve (page 74, item 6. 2), four way valve (page 74, item 6. 3) and refrigerant line checking procedures (page 75, item 6. 4). 42 Downloaded from www. Manualslib. com manuals search engine Service Diagnosis E5 (ARXN/RXN50/60L , RXB50/60A) Description Possible Root cause COMPRESSOR OVERLOAD 1. 2. 3. 4. 5. Refrigerant Shortage. Water mixed in refrigerant. Troubleshooting Turn off unit. [. . . ] If NG in step 2 : Defective PCB and replace the outdoor unit PCB. If NG in step 4 : Defective Hall IC and replace the outdoor fan motor. If OK in both steps 2 and 4, replace the outdoor unit PCB. PCB S71 1 2 3 4 5 6 7 Actual rotation pulse input (0 ~ 15 VDC) Rotation command voltage (0 ~ 6. 5 VDC) Control voltage 15 VDC 320 VDC 76 Downloaded from www. Manualslib. com manuals search engine Refrigerant Diagram 6. 6 Installation condition check Installation condition check. Check the allowable dimensions of the air suction and discharge area. OK Is the discharged air short-circuited? [. . . ]