Current location - Health Road Network - Medical equipment enterprise - My American air conditioning unit is out of control, it will turn itself on and off and this keeps changing. My head is big.

My American air conditioning unit is out of control, it will turn itself on and off and this keeps changing. My head is big.

If the indoor machine can not work properly first measure the motherboard CPU working conditions are available, the treatment is as follows:

①, first measure the motherboard CPU microprocessor power supply foot voltage is normal, if abnormal, check the power supply circuit.

② Measure the CPU reset terminal on the motherboard to see if there is a normal reset voltage.

3, check the CPU on the motherboard connected to the crystal, as well as resonant capacitors and other components are normal.

④, if the above are normal, can not work properly, it is likely that the CPU chip itself is damaged and so on.

For more information, please call us.

Related articles