约克数码涡旋多联机组安装 操作和维护手册（国外英文资料）.docVIP

约克数码涡旋多联机组安装 操作和维护手册（国外英文资料） 24 types of brand air-conditioner failure maintenance code table 24 types of brand air-conditioner failure maintenance code table KFR - 25 gw/JK2 KFR - 34 gw/JK2 One second in a second Check the connection wires Check the room machine control panel Check the room machine control panel Check electrical components The on will repeat for 1 second, extinguishing 2.5 seconds of tube temperature and room temperature thermistor The copy of the show will be repeated two times, and in 2.5 seconds Check thermistor 2, check the socket Check the circuit boards Indoor fan motor Flash 3 seconds, 2.5 seconds 1, remove socket CN211, measure CN121 - and confirm that the signal is greater than or equal to 1.5v Check the interior panel Check the indoor fan 4, check the socket Outdoor cream resistance There is a shortage of 2.5 seconds, 2.5 seconds, and 2.5 seconds Check the defrosting circuit board KF (R) - 34 gw/E5 E1 temperature sensitive resistor short-circuit or break E2 indoor tube temperature sensitive resistance short circuit or break E3 outdoor tube temperature sensitive resistor short-circuit or break The E4 controller does not receive a speed feedback signal for 16 seconds E7 compressor protection (compressor 7 minutes of continuous running, interior tube temperature and room temperature difference within 3 ℃) Summary of common failure code of air conditioning One, KF (R) -34gw/E5: Fault code The cause of the problem E1 temperature sensitive resistor short-circuit or break E2 indoor tube temperature sensitive resistance short circuit or break E3 outdoor tube temperature sensitive resistor short-circuit or break The E4 controller does not receive a speed feedback signal for 16 seconds E7 compressor protection (compressor 7 minutes of continuous running, interior tube temperature and room temperature difference within 3 ℃) Two, KFR - 25GW/JK2, kfr-34gw/JK2 Point of failure Fault display symptoms Validation method maintenance Repeat on the wrong li