tcl空调故障代码（TCL air-conditioning fault code）.docVIP

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tcl空调故障代码（TCL air-conditioning fault code）.doc

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tcl空调故障代码（TCL air-conditioning fault code）

tcl空调故障代码（TCL air-conditioning fault code） I. KF (R) -34GW/E5: Failure code E1 room temperature thermistor short circuit or open circuit E2 indoor tube temperature sensitive resistor short circuit or circuit breaker E3 outdoor tube temperature sensitive resistor short circuit or circuit breaker The E4 controller has not received the speed feedback signal for 16 seconds E7 compressor protection (compressor runs continuously for 7 minutes, room temperature and room temperature difference within 3 degrees Celsius) Two, KFR-25GW/JK2, KFR-34GW/JK2 Fault point; fault indication; symptom verification; method maintenance Answer the wrong line Repeat light 1, killing a second outdoor machine is not running power, 52C for the first time relay is switched on, stop 4~5 seconds to check the continuous signal connecting wire To check the indoor machine control panel To check the outdoor machine control panel To check the electrical components Connecting signals Repeat 1 second for 2.5 seconds, continuous signal from outdoor unit stops 4~5 seconds Guan Wen, room temperature thermal resistance M. Repeat flash 2 times, killing 2.5 seconds outside the machine is not running in operation at room temperature or temperature resistance of short circuit or open circuit for 2 seconds to check the thermistor To check the socket To check the indoor circuit board Indoor fan motors Repeat flash 3 seconds, 2.5 seconds off the indoor fan repeated 12 seconds stop for 3 minutes, the fan is not running during the indoor fan motor running 12 seconds, can not transmit speed feedback signal to unplug the socket CN211, CN121 2 - 3 between measurement and confirmation signal is greater than or equal to 1.5V To check the indoor control board To check the indoor fan To check the socket Outdoor frost resistance Repeat flash 6 seconds, 2.5 seconds off the outdoor machine is not running after the start of the compressor, the defrosting resistor connected or disconnected, insufficient cooling capacity To chec