Today, then repair a tea shop Galanz air conditioner does not turn on the machine hangs up. Door with a multimeter test have 220V power supply voltage, open the machine housing the test into the motherboard has 220V, pull the plug on again, the motherboard buzzer does not ring, remove the external drive-line, remove the motherboard, view the fuse is good, when the check to board transformer When the wires have been found to have a bite of rat traces, remove the transformer wires are carefully examined mouse really is snapped. To prevent poor contact of the disconnected part connected to the soldering iron and then the electricity is good, wrapped in insulating tape, installed transformer and the motherboard. Electric drip on the machine soon, with the remote boot, outside the machine is working properly. Shell hook installed, commissioning three minutes hand air conditioning, heating well, customer satisfaction. Maintenance Summary: Most hotels, restaurants, bakeries and other food industry Xuzhou brand used air conditioning prices, rodent more hair, more service please note the wires connecting the various electronic components is good. Power does not turn on the air conditioning machines common in the following situations: First, the power supply problem, no power or voltage is not normal. Second, the board or motherboard bad transformer cable disconnected. Third, the remote control or a bad motherboard. To check the specific situation step by step. Central air conditioning maintenance air conditioner indoor unit after 1 - 2 years, part of the condensate water use, resulting in the drive in the dark, dank water retention, resulting in a viscous liquid, is conducive to the breeding of various bacteria, produce a variety of odors, Meanwhile viscous condensate drain clog, condensed water will spill from the drip tray, causing ceiling damage bubble top. After maintenance function after the indoor harmful microbes viruses, bacteria, fungi, Legionella, coronavirus and other condensate pan thoroughly to kill, so fresh air fan coil outlet high-quality, beneficial to the user's health. Central air conditioning is a system, in the course of the event is not normal circumstances, should be immediately shut down, do not wait until small problems caused big trouble to think of it service, then central air conditioning may have suffered a lot of damage, use of effects and life will greatly affected. Central air-conditioning repair company believes Xuzhou hand air conditioning repair parts, there are many users may use central air conditioning will find that the cooling effect is very good central air conditioning, the third year, the fifth year of the cooling effect of decreased Xuzhou used central air conditioning recovery, and the monthly electricity bill was daily rising trend. In actual use, you will obviously feel the central air conditioning "lack of confidence", which is the outlet weakness, cold tone without moving out of control ...... upset state. In this case, most likely a problem with the central air-conditioning, and central air conditioning maintenance methods can be effective troubleshooting, reduce operating costs, extend equipment life. Xuzhou hand air conditioning installation | used air conditioning | Sheng Erda refrigeration provided by Xuzhou 圣尔达 Refrigeration Electrical Services Limited. Xuzhou 圣尔达 Refrigeration Electrical Services Limited (xzktw.com) strong, credible, Xuzhou in Jiangsu Province of heat, refrigeration and air conditioning equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Sheng Erda refrigeration into the brilliant and you work for a better future!