Daikin FTXN-LV Скачать руководство пользователя страница 44 | Manualshive

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Daikin FTXN-LV Скачать руководство пользователя страница 44

TS13-01 Troubleshooting manual

44

L4

Description

Heat sink overheat

Supposed Cause

- Fin temperature rise due to short circuit
- Fin temperature rise due to defective outdoor unit fan
- Fin thermistor defective
- Connector in poor contact
- Outdoor unit PCB defective
- Silicon grease is not applied properly on the hat radiation fin after replacing outdoor unit
PCB.

Troubleshooting

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Содержание FTXN-LV

Страница 1: ...TS13 01 Inverter Split Wall mounted Type L Series Heat pump Indoor unit FTXN LV Outdoor unit RXN LV Troubleshooting Manual...

Страница 2: ...ality Efficiency Daikin DC Inverter compressor High Performance Daikin Inverter Controller 5 speed Step less Fan operation BioPro IAQ New Inverter only Remote Control Piping Length Elevation Model Max...

Страница 3: ...unction kindly cut off the jumper J_AUTO as highlighted in attachment Please be informed that after disable auto random restart unit is not able to restart with last state memory after power resume fr...

Страница 4: ...ndset The operating modes are Cool Heat Fan Auto Dry Cool Mode When Tr Ts 1 5 C Comp Indoor Fan and Outdoor Fan ON When Tr Ts 2 C Compressor and Outdoor Fan OFF Indoor Fan remains ON Tr Room Temperatu...

Страница 5: ...oint compressor will stop FAN MODE Only High Medium and Low fan speeds are allowed When changing cool mode to fan mode the compressor will stop and OD fan stops based on fan OFF control Compressor onl...

Страница 6: ...or once the valid data is received If the data communication line between indoor and outdoor disrupted for 15s continuously compressor will stop OD fan stop with fan OFF timer ID LED blinks error If t...

Страница 7: ...peed control Also used for PMV overall current protection preheating operation control Heat sink Used for capturing heat sink temperature Suction pipe Used for EXV SH suction pipe SH protection contro...

Страница 8: ...RESTART Factory pre set Allow unit to automatically resume the same operating mode it was in before a power failure 4 WAY VALVE CONTROL Change over switching is only carried out during operation OFF...

Страница 9: ...igher fan speed with higher outdoor air temperature Heat mode Higher fan speed with lower outdoor air temperature When compressor stops fan OFF delay 30 seconds is carried out INDOOR COIL FREEZE PREVE...

Страница 10: ...cation during startup To prevent liquid flood back to the compressor To limit starting current When compressor starts to rotate from OFF to ON compressor rotation is set to run gradually to each upper...

Страница 11: ...rature T Limit Rotation Defrost control Fuzzy Control Based on temperature difference T current fan speed setting current indoor operating mode at every 30 seconds interval LIMIT ROTATION Determine fr...

Страница 12: ...ar operating temperature current pressure Zone Control Stop Compressor is stopped when a certain limit reaches the stop zone for abnormality correction Drop Frequency will be dropped with a timer sett...

Страница 13: ...uency is control to keep this temperature from going up further when it rises above a certain level If compressor discharge temperature 102 C 111 C for the first time this control starts and set the c...

Страница 14: ...ll be reduced by another 1 step until total current falls between L2 and L3 This protection cut in when the input current exceeds L1 for 2 seconds RXN LV Compressor will stop and it is considered tota...

Страница 15: ...Hz for every 120 minutes current rotation is remained EXV is fixed at current opening 50 pulse This control is reset after 5 minutes From indoor units When any error occurs indoor LED display will kee...

Страница 16: ...zer will produce a long beep if the handset error code matched with unit error 4 A short and two consecutive beeps is Not the unit error 5 The code display will cancel itself if the button is not pres...

Страница 17: ...etrieve error by using remote controller step Holding TIMER CANCEL Using wired handset BRC51A61 The error will show at the LCD display BRC51A61 can retrieved last state memory by Press SLEEP TIMER ACT...

Страница 18: ...R CODE ERROR DESCRIPTION RXN50 60 LV1B RXN25 35LV1B 1 00 Normal 2 A1 INDOOR PCB ERROR 3 A3 DRAIN PUMP ABNORMAL x 4 A5 ANTIFREEZE PROTECTION 5 A6 INDOOR FAN MOTOR ABNORMAL 6 A7 AIR SWING MOTOR LOCK x 7...

Страница 19: ...7 H0 COMPRESSOR SENSOR SYSTEM ABNORMAL x 18 H6 POSITION SENSOR ABNORMAL compressor 19 H8 AC CURRENT SENSOR ERROR 20 H9 OUTDOOR AIR THERMISTOR SHORT OPEN 21 J3 COMPRESSOR DISCHARGE PIPE THERMISTOR SHOR...

Страница 20: ...TAGE OUT OF RANGE 29 U4 COMMUNICATION ERROR 30 UA INSTALLATION ERROR Error Code A1 Description Indoor unit PCB abnormality Supposed Cause 1 Faulty indoor PCB 2 Faulty connector connection at indoor Tr...

Страница 21: ...TS13 01 Troubleshooting manual 21 Supposed Cause 1 Faulty drain pump or float switch 2 Improper drain piping work or drain pipe blockage Troubleshooting...

Страница 22: ...on Anti freeze protection or High Pressure Control Supposed Cause 1 Indoor air filter heat exchanger block due to dust accumulation 2 Indoor air short circuit 3 Indoor coil thermistor faulty 4 Indoor...

Страница 23: ...TS13 01 Troubleshooting manual 23...

Страница 24: ...TS13 01 Troubleshooting manual 24...

Страница 25: ...TS13 01 Troubleshooting manual 25 A6 Description Fan Motor or Related Abnormality Supposed Cause 1 Indoor fan motor winding short or the motor lead wire broken 2 Indoor PCB faulty Troubleshooting...

Страница 26: ...n Indoor Coil Thermistor short open Supposed Cause 1 Thermistor connector faulty 2 Indoor PCB faulty Troubleshooting C9 Description Indoor Room Thermistor Short Open Supposed Cause 1 Thermistor connec...

Страница 27: ...TS13 01 Troubleshooting manual 27...

Страница 28: ...tor such as Noise Momentary voltage drop Momentary power failure 2 Damage of EEPROM 3 Faulty outdoor unit PCB Troubleshooting Check the outdoor condition Power on and off again Error Again Replace out...

Страница 29: ...l 29 E3 Description High Pressure protection Supposed Cause 1 faulty high pressure switch connector or wire harness 2 Indoor filter outdoor coil dirty 3 Outdoor fan not running unit overcharge stop va...

Страница 30: ...l 30 E4 Description Low Pressure protection Supposed Cause 1 faulty high pressure switch connector or wire harness 2 Indoor filter outdoor coil dirty 3 Outdoor fan not running unit overcharge stop val...

Страница 31: ...Description Compressor Overload detected through compressor OL Supposed Cause Refrigerant Shortage 4 way valve malfunction Outdoor unit PCB defective Water mixed in the local piping Electronic expans...

Страница 32: ...ff the power Disconnect the harness U V and W Normal Check with the inverter checker Correct the power supply Turn off the power and reconnect the harness Turn on the power again and get the system re...

Страница 33: ...TS13 01 Troubleshooting manual 33 E7 Description DC Fan Lock Supposed Cause Fan motor breakdown Harness or connector disconnected between fan motor and PCB or in poor contact Troubleshooting...

Страница 34: ...o short circuit Troubleshooting Input current flowing above its stop level Replace the outdoor unit Yes No Yes Turn off the power and disconnect the harness U V and W Check with the inverter checker M...

Страница 35: ...Supposed Cause EXV faulty EXV connected wrongly Troubleshooting EA Description 4 way valve error Supposed Cause Thermistor defective Connector in poor contact 4 way valve defective Outdoor PCB defecti...

Страница 36: ...e connector Resistance between harness about 3k Reconnect Replace outdoor unit PCB Check the 4 way valve switching output Functioning No Yes No Yes Any thermsistor disconnected Thermistor functioning...

Страница 37: ...or defective Outdoor PCB defective Water mixed in the local piping EXV defective Stop Valve defective Troubleshooting F6 Description Heat exchanger overheat Supposed Cause The installation space is no...

Страница 38: ...TS13 01 Troubleshooting manual 38 Troubleshooting...

Страница 39: ...3 01 Troubleshooting manual 39 HO Description Compressor sensor system error Supposed Cause Reactor disconnection Compressor disconnection Outdoor unit PCB defective Compressor defective Troubleshooti...

Страница 40: ...tdoor PCB defective Stop valve closed Input voltage out of specification Troubleshooting No No Yes Yes Check with inverter checker Check for short circuit Normal Check the electrolytic capacitor volta...

Страница 41: ...TS13 01 Troubleshooting manual 41 H8 Description AC current sensor error Supposed Cause Internal wiring broken Outdoor unit PCB defective Troubleshooting...

Страница 42: ...tr short open J5 Suction pipe thermistor short open J6 Outdoor heat exchanger thermistor short open J7 Subcooling heat exchanger thermistor short open J8 Liquid pipe thermistor short open J9 Gas pipe...

Страница 43: ...iption Outdoor control box overheat Supposed Cause Fin temperature rise due to defective outdoor unit fan Fin temperature rise due to short circuit Fin thermistor defective Connector in poor contact O...

Страница 44: ...n temperature rise due to short circuit Fin temperature rise due to defective outdoor unit fan Fin thermistor defective Connector in poor contact Outdoor unit PCB defective Silicon grease is not appli...

Страница 45: ...ction due to defective PCB Over current due to closed stop valve Over current due to compressor failure Over current due to poor installation condition Connection between main board and IPM board is n...

Страница 46: ...TS13 01 Troubleshooting manual 46 Troubleshooting...

Страница 47: ...ulty outdoor unit PCB Faulty indoor unit PCB Indoor unit outdoor unit signal transmission error due to wiring error Indoor unit outdoor unit signal transmission error due to disturbed power supply wav...

Страница 48: ...TS13 01 Troubleshooting manual 48...

Страница 49: ...nication error outdoor PCB IPM PCB Supposed Cause Wrong models interconnected Wrong indoor unit PCB mounted Indoor unit PCB defective Wrong outdoor unit PCB mounted or defective Troubleshooting Check...

Страница 50: ...TS13 01 Troubleshooting manual 50 4 0 Wiring Connection FTXN 25 35 LV1B RXN 25 35 LV1B...

Страница 51: ...TS13 01 Troubleshooting manual 51 FTXN 50 60 LV1B RXN50 60 LV1B...

Страница 52: ...TS13 01 Troubleshooting manual 52 Refrigerant Diagram FTXN 25 35 LV1B RXN 25 35 LV1B FTXN 50 60 LV1B RXN50 60 LV1B...

Страница 53: ...TS13 01 Troubleshooting manual 53 Appendix Resistance value when 25 C RXN50 60 LV1B RXN 25 35 LV1B Indoor WM 10K 10K CC CK CM 10K Outdoor 10K 20K Table 1 Resistance R25 10K ohm...

Страница 54: ...Troubleshooting manual 54 Table 2 Resistance R25 20K ohm Temperature C Resistance value k 20 211 0 15 150 0 10 116 5 5 88 0 0 67 2 5 51 9 10 40 0 15 31 8 20 25 0 25 20 0 30 16 0 35 13 0 40 10 6 45 8 7...

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