Shanghai air conditioner repair air conditioner common faults imagination and causes of faults Common faults 1. The compressor runs for a long time and cannot stop automatically. Insufficient refrigerant amount, all or part of the refrigerant leaks, the filter is clogged
Common faults 2. The compressor cannot run) Power supply failure The power supply voltage is too low, the wire connection is loose or open
Common faults 3. The air-conditioning fan cannot run. The main control switch has poor contact. The fan motor coil is damaged. The set screw between the fan motor and the blade is loose. The fan capacitor is open or short-circuited
Common faults: Frequent starting and stopping of the four compressors. Improper setting of room temperature control value. Ambient temperature is too high. Condenser is too dirty
Common faults: Failure of cooling and heating adjustment of five-warm air conditioners) Electromagnetic reversing valve coil failure. Electric heating device failure. Temperature controller malfunction
Common faults: 6. The air conditioner has loud noise and vibration. The fixing screws are loose or fallen off. The compressor pipeline is in contact. The installation of the machine is not level
Air conditioning maintenance in Huangpu District, Shanghai How to add fluoride to the air conditioner
Set the remote control to cooling mode and turn on the air conditioner.
Check whether the indoor unit is operating normally.
Whether the outdoor compressor starts normally.
After normal startup, connect the fluoridation equipment from the side column of the low-pressure valve of the outdoor unit.
Measure pressure and add fluoride.
Use foam water to check for leaks.
Air conditioning repair in Huangpu District, Shanghai solemnly promises
The air conditioner with fluoride added (air conditioner relocation) has a three-year warranty
The air conditioner with air conditioning repair has a one-year warranty
The repair price is the lowest in the city, and users can trust it Unit
If the air conditioner we have moved and repaired has a fault, I will provide free service and compensate the user for the loss
★The corporate purpose of air conditioning repair in Huangpu District, Shanghai
◆The considerate service makes every customer happy Everyone is satisfied
◆The uniformly dressed technicians are polite and courteous when they come to the door
◆The outdoor air conditioner disassembly and assembly personnel wear seat belts in strict accordance with the regulations
★Air conditioning maintenance in Huangpu District, Shanghai strictly abides by relevant safety regulations
br/> ◆ Clean every corner of the air conditioner and keep it clean and fresh with special air conditioner cleaning fluid and cleaning tools
◆ Add fluoride to the air conditioner to prevent non-cooling caused by improper operation.
Professional focus is the development path of ^★Shanghai air conditioning maintenance
Hourly customer service hotline
Contact person Xiong Biao
Air conditioning maintenance and fluid filling in Putuo District, Shanghai 400-7882599