A3 drainage water level system display often
A7 swing motor locking
Temperature anomaly sensor system of C4 heat exchanger
C9 air temperature sensor system is abnormal.
E0 protection device action. Outdoor machine
E3 high pressure anomaly. Outdoor machine
E4 low pressure is abnormal. Outdoor unit note 3
F3 drain pipe temperature is abnormal. Outdoor machine
H3 high voltage switch failure. Outdoor machine
H9 Abnormal external air temperature sensor system. Outdoor machine
JBOY3 exhaust pipe temperature sensor system is abnormal. Outdoor machine
The J6 heat exchanger temperature sensor system is abnormal. Outdoor machine
U 1 backward injection 3
U2 power supply voltage is abnormal.
U4 poor transmission (indoor-outdoor)
U5 poor transmission (indoor-vibrator)
The UA field is set incorrectly.
UF Wrong Wiring Wrong wiring of indoor and outdoor connecting wires
Precautions for maintenance: After the power supply is turned on, the fault can be detected by the remote controller or the LED on the printed board of the indoor unit.
Diagnose the fault on the LCD of the remote controller: When 1 stops due to the fault, the operation indicator flashes, and the LCD displays "eye diagram" and abnormal code. Diagnose the fault according to.
Le Jia electrical appliance adoption rate:11.6% in 2008-12-10 20: 32.
00, U0 refrigerant is insufficient, U2 low voltage is detected, U4 internal and external machine transmission is abnormal,
R 1 P board is defective, R5 transformer is anti-icing, R6 internal motor is abnormal, C4 internal temperature sensing is abnormal,
Keywords abnormal temperature of C5 inner tube, abnormal induction of C9 room temperature, E5 OL action, poor startup of E6 press,
E7 external fan is abnormal, H8 CT is abnormal, H9 external temperature sensing is abnormal, JBOY3 high-pressure thermal sensitivity is abnormal,
J4 system abnormality, J5 external low-voltage thermal sensitivity abnormality, J6 external heat exchange induction abnormality,
The thermal sensitivity of J9 export gas pipeline is abnormal, the temperature of L4 export fan is high, the output overcurrent of L5 is abnormal, the temperature of P3 electric box is abnormal, and the temperature of P4 export pipe is abnormal.
The adoption rate of Jinyi Mechanical Answer: 21.9% 2008-12-1021.06.
U0 intake pipe temperature is abnormal.
U 1 inverts two of L 1, L2 or L3.
U2 power supply voltage abnormality (outdoor unit) includes the abnormality in k1m.
U4 UF transmission is abnormal (indoor unit-outdoor unit). The wiring between the indoor unit and the outdoor unit is wrong, or the circuit boards in the indoor unit and the outdoor unit are defective.