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2/25/2018

Chigo Air Conditioner Error Codes

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Chigo Air Conditioner Error Codes August 27, 2014 Chigo, Home Chigo Air Conditioner Error CodesFAULT CODE FOR SPLIT-WALL MOUNTED TYPE ROOM AIR CONDITIONER LED code = DF explain = display at on state LAMP DISPLAY code = flicker 1/1 SEC explain = FAILURE = defrost indication The reason of fault and solution = Normal, the defrost state is removed, it will return to normal condition automatically LED code = DF explain = display at off state LAMP DISPLAY code = flicker 1/3 SEC explain = FAILURE = anti cold wind The reason of fault and solution = 1.Normal (during heating mode ) 2.It will be removed when the coil pipe temperature sensor reaches certain temperature. LED code = E2 explain = display at off state LAMP DISPLAY code = flicker 1/1 SEC explain = display at on/off state http://acerrorcode.com/chigo-air-conditioner-error-codes.html

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Chigo Air Conditioner Error Codes

FAILURE = room temp. sensor fault The reason of fault and solution = 1.Check whether the resistance of the sensor is normal (the resistance is 5KΩ in the normal temperature 25°), when it is abnormal the sensor should be replaced. 2.Check whether there is short circuit or open circuit in the wire of the sensor, and whether the plug is connected well, whether there is welding off or rosin joint on the electric control board, if there is any, it should be repaired. 3.When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced. LED code = E3 explain = display at off state LAMP DISPLAY code = flicker 3/5 SEC explain = display at on/off state FAILURE = coil temp. sensor fault The reason of fault and solution = 1 .Check whether the resistance of the sensor is normal (the resistance is 5KΩ in the normal temperature 25°), when it is abnormal the sensor should be replaced. 2 .Check whether there is short circuit or open circuit in the wire of the sensor, and whether the plug is connected well, whether there is welding off or rosin joint on the electric control board, if there is any, it should be repaired. 3.When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced. LED code = E4 explain = display at off state LAMP DISPLAY code = flicker 4/6 SEC explain = display at off state FAILURE = outdoor unit abnormal The reason of fault and solution = 1.Check whether the winding resistance and operation current of the compressor are normal. 2.Check whether the high and low pressure is normal when the unit is running. 3 .Check (whether the coil pipe sensor is normal) whether the contact of the inserter on the circuit board is well, the coil pipe temperature sensor is fixed, the evaporation of the indoor unit is well, the key is to check the evaporator temperature detected by the coil pipe temperature sensor has reached the cooling or heating temperature. 4 .Check whether the surface of the condenser is too dirty, it should be cleaned when it is too dirty. 5 .Check whether the capacitance of the outdoor motor and the fan is damaged, it should be replaced when it is damaged. 6 .If the above items are normal, the electric control board should be replaced. LED code = E5 explain = PG motor display at off state LAMP DISPLAY code = flicker 5/7 SEC explain = display at off state FAILURE = no feedback signal of indoor fan The reason of fault and solution = 1.Check whether two sets of plugs on the outlet end of the motor have loosed from the socket of the electric control board, insert it firmly when loosing. 2.Check whether the indoor motor has damaged, the motor should be replaced when it is damaged http://acerrorcode.com/chigo-air-conditioner-error-codes.html

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Chigo Air Conditioner Error Codes

3.Check whether the controllable silicon and other components on the electric control board have damaged, replace the controllable silicon or electric control board when they are damaged. LED code = E6 explain = PG motor display at off state LAMP DISPLAY code = flicker 6/8 SEC explain = display at off state FAILURE = no over zero signal The reason of fault and solution = 1. Firstly check whether the indoor fan is normal. 2. Check whether the signal outputting from the integrated chip of the electric control board is normal, the electric control board should be replaced when the signal is abnormal. LED code = E7 explain = display at off state LAMP DISPLAY code = flicker 7/9 SEC explain = display at off state FAILURE = outdoor feedback fault The reason of fault and solution = 1.Check whether the winding resistance and operation current of the compressor are normal 2.Check whether the high and low pressure is normal when the unit is running. 3.Check whether the indoor and outdoor wiring is right; when it is wrong, connect them again according to the circuit diagram 4.Check whether the contact of the inserter on the circuit board and the connection are well, otherwise repair. 5.Check whether the signal feedback wire is disconnected, replace or connect the feedback signal wire. 6.Check whether the supply power is phase-lacking or phase opposition. 7.Check whether the AC electromagnetic contactor is well. LED code = E8 explain = display at off state LAMP DISPLAY code = flicker 8/10 SEC explain = display at off state FAILURE = frost protection/over heat protection The reason of fault and solution = 1 .Check whether the filter of the indoor unit is dirty or blocked, and clean if it is dirty. 2.Check whether the indoor fan is running normally, and replace the motor if it is abnormal. 3.Check whether indoor pipe temperature sensor is normal, and replace the sensor if it is abnormal. 4 .Check whether the system pressure is normal, if abnormal, should check whether there is leakage, and fill the refrigerant again.

The malfunction oindoor and outdoor unit The common malfunction code analysis and solutions The fault code = F1 The fault content = The communication fault The reason of fault and its solutions = 1.The communication wire is broken off. Please check whether the wire is disentwined ; 2.Please check whether the electrical control board is damaged. It should be replaced when it is damaged; http://acerrorcode.com/chigo-air-conditioner-error-codes.html

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Chigo Air Conditioner Error Codes

3.Please check whether the power ground wire is reliable; 4.Please check whether the unit is abnormal caused by the external interference. If it is, then find the interfering sources, and remove them. The fault code = F2 The fault content = The indoor temperature sensor fault The reason of fault and its solutions = 1.Check whether the resistance of sensor is normal, otherwise replace it; 2.Check whether the sensor wire is short circuit or open circuit, and whether the plug is well contacted, whether there is welding off or rosin joint on the electric control board, repair it if there is any above; 3.When the 1 and 2 are both normal, then the component or integrated circuit is damaged, the electric control board should be replaced. The fault code = F3 The fault content = The indoor coil temperature sensor fault The reason of fault and its solutions = 1. Check whether the resistance of sensor is normal, otherwise replace it; 2. Check whether the sensor wire is short circuit or open circuit, and whether the plug is well contacted, whether there is welding off or rosin joint on the electric control board ,repair it if there is any above; 3. When the 1 and 2 are both normal, then the component or integrated circuit is damaged, the electric control board should be replaced. The fault code = F4 The fault content = Indoor PG motor fault (tap motor hasn’t so breakdown ) The reason of fault and its solutions = 1.Check whether the contact of the plug of the motor wire and socket is well. Please make sure it is well contacted; 2.Check whether the indoor motor has damaged, the motor should be replaced when it is damaged; 3 .Check whether the controllable silicon and other components on the electric control board have damaged, replace the controllable silicon or electric control board when they are damaged; 4.Check whether the indoor fan is unobstructed when running, please fix the indoor fan again when it is obstructed. The fault code = F5 The fault content = IPM protection The reason of fault and its solutions = 1.Check whether the supply voltage is out of ranging from 150 to 270V(overvoltage and undervoltage protection); Measuring the actual current, if the current is greater than the rated current of 2A,it is over-temperature protection; If the above are normal, that is IPM module internal circuit fault protection, so please replace the IPM module. The fault code = F6 The fault content = The outdoor sensor fault The reason of fault and its solutions = 1. Check whether the resistance of sensor is normal, otherwise replace it; 2. Check whether the sensor wire is short circuit or open circuit, and whether the plug is well contacted, whether there is welding off or rosin joint on the electric control board, repair it if there is any above; 3. When the 1 and 2 are both normal ,then the component or integrated circuit is damaged, the electric control board should be replaced. ADVERTISEMENT The fault code = F7 The fault content = The outdoor coil temperature sensor fault (Including the mid-point of tube. inspiratory gas) The reason of fault and its solutions = 1. Check whether the resistance of sensor is normal, otherwise replace it; 2.Check whether the sensor wire is short circuit or open circuit, and whether the plug is well contacted, whether there is welding off or rosin joint on the electric control board, repair it if there is any above; 3.When the 1 and 2 are both normal, then the component or integrated circuit is damaged, the electric control board should be replaced http://acerrorcode.com/chigo-air-conditioner-error-codes.html

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The fault code = F9 The fault content = Exhaust gas sensor failure The reason of fault and its solutions = 1. Check whether the resistance of sensor is normal, otherwise replace it; 2. Check whether the sensor wire is short circuit or open circuit, and whether the plug is well contacted, whether there is welding off or rosin joint on the electric control board, repair it if there is any above; 3. When the 1 and 2 are both normal, then the component or integrated circuit is damaged, the electric control board should be replaced. The fault code = FA The fault content = The communication fault between the wire controller and the indoor PCB The reason of fault and its solutions = 1. check whether the wire controller’s connecting wire is short circuit or loose, please make it connect well; 2. Check the connecting line.wire controller.PCB whether they are loose or have a bad contact. Please make them have a good contact. The fault code = FC The fault content = outdoor unit driving fault, starting compressor failure The reason of fault and its solutions = 1. Turn on the power again, and then check whether the operation of the compressor is normal; 2. Check whether the connection of the compressor is correct or reliable, otherwise repair it; 3. Check whether the components on the electric control board have been damaged, if they are damaged, the components or the electric control board should be replaced.; 4. Check whether the connecting wires are disentwined between the Intelligent Power Module board and the main board, otherwise make the wires connect firmly . The fault code = FF The fault content = The outdoor DC motor fault The reason of fault and its solutions = 1. Check the resistance value of the DC motor port. If it is short circuit, please change the DC motor; 2. Check the voltage value of the DC motor port VCC(15Vdc), Vdm(340Vdc),please change the PCB board if the voltage values are abnormal; 3. if all the voltage values of the DC motor port are normal，the Vsp voltage (0~5v) is also ok ,it shows that the inner PCB board of the DC motor is damaged, then change the DC motor. The fault code = FH The fault content = The indoor unit EEPROM error The reason of fault and its solutions = 1. Check whether there are false weld and bad contact etc between the EEPROM chip block and the electronic control board ; 2. Check whether the EEPROM chip pin is broken foot and the direction of installation is in line with the EEPROM block; 3. When the procedure of EEPROM chip and itself have fault it will appear the code FH. That is the need to replace the EEPROM chip. The fault code = dF The fault content = The indoor unit EEPROM error The reason of fault and its solutions = 1. Check whether there are false weld and bad contact etc between the EEPROM chip block and the electronic control board ; 2. Check whether the EEPROM chip pin is broken foot and the direction of installation is in line with the EEPROM block; 3. When the procedure of EEPROM chip and itself have fault it will appear the code FH. That is the need to replace the EEPROM chip. The fault code = dI The fault content = Mode conflict http://acerrorcode.com/chigo-air-conditioner-error-codes.html

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The reason of fault and its solutions = When the running mode for No.1 indoor unit is different from No.2 indoor unit, the dF is displayed. The fault code = P1 The fault content = Indoor coil temperature over-temperature protection for heating (thermal overload), outdoor coil temperature overheating protection for cooling (cooling overload) The reason of fault and its solutions = 1. Check whether the ambient temperature is over the range of airconditioning running temperature ; 2. Check whether the indoor coil temperature is higher than or equal to 63 degrees when heating and check whether the outdoor coil temperature is higher than or equal to 65 degrees when cooling, it will appear protection if the value is over the above; 3. Check whether the parameters of indoor and outdoor coil temperature sensors are normal, if abnormal, please replace the sensors; 4. If the above are normal, check whether the main control board output parameters are normal, if abnormal, please replace the main control board. The fault code = P2 The fault content = The outdoor unit inverter module protection fault The reason of fault and its solutions = 1. Check whether the connection of the compressor is reliable, otherwise connect firmly again; 2. Check whether the fixation between the IPM module and the radiator is firm.; 3. Check whether the compressor is well, otherwise replace it; 4. Check whether the IPM module is abnormal, otherwise replace it. The fault code = P3 The fault content = Over current of outdoor unit The reason of fault and its solutions = 1. Check whether the ambient temperature exceeds the operation range for the air conditioner; 2. Check whether the current detection circuit is abnormal, the electric control should be replaced when it is abnormal. The fault code = P4 The fault content = discharge temperature of compressor is too high, the outside ambient temperature overtemperature, switch off the compressor shell temperature, module temperature over-temperature The reason of fault and its solutions = 1. Check whether the pressure is normal when the unit is running, if it is abnormal, you should detect the leakage and then welding and adding refrigerant; 2. Check whether the ambient temperature is too high or too low, when the temperature is more than -20 degrees and less 55 degrees, it can disappear automatically; 3. Check whether temperature switch of compressor is damage, it should be replaced if it is damaged. The fault code = P7 The fault content = The outdoor unit DC generatrix voltage is abnormal The reason of fault and its solutions = 1. Check whether the supply voltage is out of ranging from 150 to 270V; 2. Check the voltage detection circuit of the IPM base board is abnormal, if it is abnormal, the IPM base board or the electric control board should be replaced. The fault code = P8 The fault content = lack refrigerant or reverse valve fault The reason of fault and its solutions = 1. Check whether the high and low pressure valves have been opened, otherwise open the valves; 2. Check whether the indoor coil pipe temperature sensor is normal, if it is abnormal, the sensor should be replaced; 3. Check whether the indoor coil temperature sensor hung in the air, please plug it in a correct position if the indoor coil temperature sensor hung in the air; http://acerrorcode.com/chigo-air-conditioner-error-codes.html

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4. Check the system pressure is abnormal, if it is abnormal, you should detect leakage and the welding and adding the refrigerant.; 5. Please change the outdoor PCB board , if all above are normal. The fault code = PA The fault content = protection when indoor pipe temperature is too low (Anti-icing) The reason of fault and its solutions = 1. Check whether the ambient temperature is over the range of airconditioning running temperature; 2. Check the indoor coil temperature is less than or equal to -1 degrees, if more than this value it will be the protection of; 3. Check whether the indoor coil temperature sensor parameters are normal, if abnormal it is the replacement of the sensor; 4. If the above are normal, check whether the main control board output parameters are normal, if abnormal ,please replace the main control board. The fault code = PC The fault content = Outdoor ambient temperature over-temperature protection (including high and low) The reason of fault and its solutions = 1. Check whether the outdoor ambient temperature is too high or too low, when the ambient temperature is lower than (T> -20, T