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Altech ATE-053DCIMX05, Technical & Service Manual

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Altech ATE-053DCIMX05 Technical & Service Manual Download Page 20

8.Troubleshooting 

8.1 Safety   

Because of there are capacitors in PCB and relative circuit in outdoor unit, even shut down 
the power supply, electricity power still are kept in capacitors, do not forget to discharge the 
electricity power in capacitor. 
The value of resistance is about 1500 ohms to 2000 ohms 

Resistanc

e

The voltage in P3 and P4 in outdoor PCB is high voltage about 310V 
The voltage in P6 in outdoor PCB is high voltage about 310V 

Summary of Contents for ATE-053DCIMX05

Page 1: ...Technical service manual 2010 R410A 9A DC Inverter multi Series Indoor Models ATM 021DCIMX05 ATM 026DCIMX05 ATM035DCIMX05 ATM 053DCIMX05 Outdoor Models ATE 053DCIMX05 ATE 079DCIMX05 ATE 081DCIMX05...

Page 2: ...atures 2 Dimensions 3 Refrigeration cycle diagram 4 Operation limits 5 Indoor unit combination 6 Wiring diagram 7 Electric control functions 8 Troubleshooting Annex 1 Characteristic of temp sensor Ann...

Page 3: ...t will decide the louver direction according to operation mode high med low breeze Restarting is for approx 3 minutes Prevent the water being frozen on evaporator by sensing the evaporator pipe temper...

Page 4: ...ncy at operation mode Hydrophilic aluminum fin It is only operated in the heating operation mode except defrosting operation Anti rust cabinet Valve protection cover 4 way valve control Made from elec...

Page 5: ...2 Dimensions 2 1 Indoor unit Model W mm H mm D mm 21 26 35 845 290 165 53 995 292 200 2 2 Outdoor unit b ATE 053DCIM2X05 ATE 078DCIM3X05...

Page 6: ...c ATE 081DCIM4X05...

Page 7: ...Gas valve C EXV C 4 way valve Compressor Condenser Axial flow fan EXV B EXV A Gas valve A Gas valve B Liquid valve C Liquid valve B Evaporator Cross flow fan Indoor Unit Capillary A Capillary B Capil...

Page 8: ...eneor B Filter A Filter B Outdoor Unit Main Capillary Check Valve Coil temp sensor 4 Temperature Operation range Indoor temperature 17 C Cooling mode Outdoor temperature 50 C Indoor temperature 30 Hea...

Page 9: ...5 6 Indoor unit combination ATE 081DCIM4X05 2QH XQLW 7ZR XQLW 7KUHH XQLW RXU XQLW...

Page 10: ...6 Wiring Diagram 6 1 Indoor unit TAILLE 021 026 035 053 6 3 Outdoor unit ATE 053DCI2X05...

Page 11: ...6 4 Outdoor unit ATE 079DCI3X05 6 6 Outdoor unit ATE 081DCI4X05...

Page 12: ...g mode 7 2 5 TEMPERATURE indicator Usually it displays the temperature settings When change the setting temperature this indicator begins to flash and stops 20 seconds later It displays the room tempe...

Page 13: ...rter current Actual data 13 EXV open angle for 1 indoor unit Actual data 8 14 EXV open angle for 2 indoor unit Actual data 8 15 EXV open angle for 3 indoor unit Actual data 8 16 EXV open angle for 4 i...

Page 14: ...000 8000 8900 Correspond ing Code 1 2 3 4 5 6 7 8 9 10 11 Note The capacity is just for reference 7 4 4Number of indoor unit Display Number of indoor unit 1 1 2 2 3 3 7 4 5Outdoor ambient temp Display...

Page 15: ...0 44 7 75 22 5 45 7 5 75 22 5 46 8 76 23 47 8 5 77 23 5 48 9 78 24 49 9 5 79 24 5 7 4 6Current of outdoor unit Display Corresponding mode 44 6 0 A 46 6 2 A 54 7 4 A 55 7 6 A 58 7 6 A 62 8 0 A 66 8 6 A...

Page 16: ...al operation automatically 7 5 8 Cross Zero signal error warning If there is no Cross Zero signals in 4 minutes the unit stops and LED displays failure information and can t return to normal operation...

Page 17: ...10 indoor fan stop when room temperature restores to over 12 indoor fan start 7 8 3At dehumidifying mode the anti freezing function of the indoor heat exchanger is the same as that of cooling mode 7 9...

Page 18: ...emperature of outdoor heat exchanger rises up to 15 C 7 10 3Defrosting Actions a Compressor runs b 4 way valve switches off c Outdoor fan switches off d Indoor fan running according to anti cold wind...

Page 19: ...in as a constant and the air circulation is kept at low speed Cold air proof function takes precedence over all 7 14 4 Auto The Sleep Mode running function operates in accordance with selected running...

Page 20: ...the power supply electricity power still are kept in capacitors do not forget to discharge the electricity power in capacitor The value of resistance is about 1500 ohms to 2000 ohms Resistance The vol...

Page 21: ...pipe temp sensor or connector of pipe temp sensor is defective E2 2 evaporator outlet pipe temp sensor or connector of pipe temp sensor is defective E3 3 evaporator outlet pipe temp sensor or connect...

Page 22: ...te controller Does the unit work normally Check the wiring between indoor and outdoor unit Is the connection of L N S and GND good Is the GND connection on outdoor PCB good NO NO Reconnect and retest...

Page 23: ...or and connection good Repair the connector and reconnect Replace the sensor and check if E5 display again NO YES Replace outdoor e box YES Is the indoor fan motor connector and connection good Repair...

Page 24: ...onnection good NO Revise the power and retest YES Is the wiring to compressor right YES Check the module if some components blow out or be failure YES Repair or replace the module YES Is it breakdown...

Page 25: ...splay LED STATUS E0 EEPROM error Circuit or software error on indoor Replace indoor PCB YES Does compressor operate Is the connection good Is refrigerant circulation volume normal NO NO Charge refrige...

Page 26: ...connector of pipe temp sensor is defective Is connection to connector of pipe temp sensor good Check the resistance of the temp sensor according to Annex 1 Repair connector No Yes Replace the sensor I...

Page 27: ...p sensor is defective Outdoor unit display LED STATUS E5 Compressor voltage protection Yes Is connection to connector of pipe temp sensor good Check the resistance of the temp sensor according to Anne...

Page 28: ...is about 220V turn off the power supply to indoor unit and turn it on again after 1 minute Does the trouble occur again Check the voltage of secondary of T3 transformer in outdoor power board is this...

Page 29: ...CZ1 2 Is the 3 3v voltage in outdoor main board Power Board CN1 Purple wire and yellow GND Inverter module defective Rectifier circuit is bad connection or defective when the voltage in outdoor is abn...

Page 30: ...ion drive protection arose Check the resistance of compressor normally U and V is 1 ohm U and W is 1 ohm V and W is 1ohm Turn one indoor unit only Does the compressor start after 3 minutes Does the tr...

Page 31: ...if it is normal Replace the outdoor power board If the problem comes to again check wingding resistance of inverter compressor is it right Replace inverter compressor Repair connector Yes No No Repla...

Page 32: ...e than 65 C the uni t will stop and unit runs again when outdoor pipe temp less than 52 C Is the outdoor pipe temp more than 65 C Is the outdoor pipe temp sensor right according to the annex 1 Replace...

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