What is the fault of the Midea air conditioner showing E8?

If it is a frequency conversion hang-up machine, the display E8 is a communication fault between the indoor motherboard and the display board or a dust removal reset fault; If it is a fixed-speed hang-up, the display of E8 is a filter reset fault; If the fixed speed cabinet shows E8, it is an indoor and outdoor communication failure or an electrostatic precipitator fault; If the inverter cabinet displays E8, the communication between the indoor motherboard and the display board is faulty.

The air conditioner shows that E8 is a communication fault between the indoor motherboard and the display board or a dust removal reset fault.

There are several steps in the dust removal treatment method of the internal machine:

Step 1: Clean the filter, use a toothbrush, a fine pen, wet wipes, etc. to clean the dirty parts of the air outlet, fan roller impeller, and evaporator after lifting the filter, and remember not to cause damage.

Step 2: After cleaning, it is best to pour a few glasses of water along the evaporator, rinse the sink by the way, to prevent the residue and dirt from blocking the drain pipe.

Cleaning and dust removal method of external machine:

Step 1: Unplug the power of the air conditioner, connect a water pipe for car washing, use tap water to rinse up and down, use a plastic bucket to wash water if there is no condition, prepare a brush with a handle (a few yuan a, a lot of hardware stores), brush the aluminum wings up and down while washing, remember not to deform the aluminum wings.

Step 2: Don't doubt that the circuit will be wet, the outside unit of the air conditioner is fine in the wind and rain, but some air conditioners with poor quality and materials will rot quickly.

The fault of Midea air conditioner E8: If it is a frequency conversion hang-up display, the E8 is a communication failure between the indoor motherboard and the display board or a dust removal reset failure; If it is a fixed-speed hang-up, the display of E8 is a filter reset fault; If the fixed speed cabinet shows E8, it is an indoor and outdoor communication failure or an electrostatic precipitator fault; If the inverter cabinet displays E8, the communication between the indoor motherboard and the display board is faulty.

Internal machine dust removal treatment method: You can clean the filter screen, use a toothbrush, a fine pen, wet wipes, etc. to clean the air outlet, the roller impeller of the machine, and the dirty parts of the evaporator after lifting the filter, remember not to cause damage. After cleaning, it is best to pour a few cups of water along the evaporator, rinse the sink by the way, to prevent the residue and dirt from blocking the drain pipe, and if possible, you can blow the plastic drain pipe of the air conditioner in reverse, and the internal function can hear the sound of air flow or blisters.

Cleaning and dust removal method of the external machine: unplug the power supply of the air conditioner, connect the water pipe of a car wash and use tap water to rinse up and down, use a plastic bucket to carry water and rinse if there is no condition, prepare a brush with a handle, and brush the aluminum fins up and down while flushing.

Answer: If the inverter hang-up shows that E8 is a communication failure between the indoor motherboard and the display board or a dust removal reset failure, the former needs to replace the corresponding parts, and the latter can open the cover plate of the indoor unit and use a toothbrush, wet wipes to wash the air outlet and the fan roller impeller;

2.If the fixed-speed hang-up shows that E8 is a filter reset fault, you can check whether the connecting wire group of the filter reset switch is broken, or whether the dust removal mechanism is stuck or the action is not smooth, or you can also try to short-circuit the reset switch on the motherboard to try to troubleshoot;

3.If the fixed speed cabinet shows E8 is an indoor and outdoor communication failure or electrostatic precipitator fault, if it is a frequency conversion cabinet that shows E8 is an indoor motherboard and display board communication failure, these two faults can be tried to use the above methods to remove, if the fault is still not eliminated, it is recommended to contact the maintenance personnel for on-site maintenance.

Question: Midea's 5 HP ceiling machine appeared E8

Midea 5 HP Ceiling Ceiling Machine E8

1. Check whether the resistance of the compressor exhaust temperature sensor is normal, if there is an abnormality, only need to replace the exhaust temperature sensor.

2. Check whether the refrigerant pressure is too high, if it is too high, the pressure needs to be restored to normal.

3. Observe the air volume and air temperature of the outdoor unit, if the temperature is too high, the outdoor unit needs to be cleaned.

I personally experienced that after tossing for several days, in the end, the internal and external machine connection wires were rats