What is the problem with the Haier air conditioner display screen vault I am a Haier air conditioner

The fault code is only 00, if the fault of 00 is displayed, the air conditioner does not work and does not refrigerate.

Here's how to fix it:

1.If the indoor temperature has reached the set temperature, the air conditioner will not run, and you only need to adjust the temperature of the air conditioner.

2.The contactor that controls the compressor and cooling fan is damaged and needs to be repaired.

3.If the refrigerant is insufficient, add it.

4.The circuit board is damaged, there is no output signal, and it needs to be repaired.

5.Air conditioner overheat protection, stop for one hour and then start up to try this answer applies to any Haier air conditioner.

If this happens to Haier's air conditioning display, it should be a lack of coolant, which causes it to run after the machine is running, it can't produce a refrigeration effect, and you need to add coolant in time.

And what is the problem of code skipping on the air conditioning display screen? It's Haier's air conditioner, you ask the manufacturer.

And what is the problem with the air conditioner display screen? Then you air conditioner and turn on the air conditioner, then you can call their after-sales service** to ask what's going on?

There is also an air conditioner display screen skipping code, which is Haier, you can consult customer service.

It may be that there is a fault in the air conditioning line, which can be solved by cleaning up the dirty things or tidying up the wiring; It may be that the internal refrigeration system is faulty, and it can be solved by replacing a compressor system; It may be that the frequency conversion module of the external unit is abnormal, and it can be solved by replacing the module with a new one. Be careful.

1. If the current of the line connected to the air conditioner increases suddenly, the overload operation of the air conditioner will trigger the current protection device of the air conditioner, and the display of the Xiangqi screen will always flicker, accompanied by the automatic power off of the air conditioner to stop working. Whether the fan is working properly depends on whether the fan blades are stuck or the filter is dirty.

2. Check the fault of the internal and external model connection cables, there is no problem after solving, please measure whether the power supply voltage of the signal port of the external board is normal, if it is not normal, then the problem is on the motherboard.

3. It may be that the air conditioner cannot be refrigerated or heated, and the internal refrigeration and heating system is faulty, check whether the internal evaporator of the air conditioner and the external compressor can be used, if not, it is hardware damage, if there is damage, it needs to be repaired and replaced with a new one.

4. Check whether the frequency conversion module of the external machine is hot, whether the power supply is abnormal, if the check is the situation of Na Shu, then it means that there is a problem with the module, and a new module must be replaced.