Car Electronics Repair Common Sense Of The Cooling Fan When No Wind Analysis And Elimination (3)

car electronics repair common sense of the cooling fan when no wind analysis and elimination (3)

href=http://www.ibuonline.com/category/Car-Electronicscar electronics products fuse melting off, wiring disengaged or disconnected; switch or hair dryer motor does not work. Replace the fuse wire; motor repair switch or hair dryer.

(2) lack of air-conditioning supply

1) normal air volume of car electronics repair common sense analysis and troubleshooting

car electronics repair common sense of the compressor is operating normally when

A. High-low pressure, low-pressure side

a. expansion valve at the barriers, remove obstacles.

b. expansion valve at the opening becomes too small, adjust or replace.

B. High and low pressure

a high-pressure pipeline barriers, poor flow. Removal of obstructions.

b thermistor fails, replace the thermistor.

c. temperature sensing bulb improperly installed. Reinstall.

d. expansion valve at the opening becomes too large, adjust or replace the expansion valve.

The e. frozen oily excessive. Emissions and pumping.

f refrigerant excessive release of some refrigerant.

g. condenser heat is not good. Clean the engine radiator and the condenser, the installation of a powerful fan, a fan baffle, or re-arranged the location of the radiator and condenser.

C. The high-pressure side pressure is low.

a low-pressure line is damaged, replace it.

b low pressure pipeline blockage, remove barriers, check hoses for bending die, if necessary, replace.

D. pressure side pressure is too low

a evaporator frosting, to adjust the thermostatic switch or a pressure controller.

b expansion valve blockage (the dirty block ice block), remove the filter cleaning or replacement.

c. poor low-pressure line, clean piping obstacles.

d thermistor VALID replace the thermistor.

e. temperature sensing bulb is improperly installed and re-installed.

E. low-pressure side pressure is sometimes normal, sometimes negative pressure.

The moisture in the air-conditioning system, ice blocking phenomenon, the original refrigerant, should be emptied and then vacuum refilling refrigerant replacement Drier.

F. low pressure side of the negative pressure, the low pressure side pressure.

The air-conditioning system is dirt blocking removal system replacement Drier.

G. low-pressure side pressure is too low, the high-pressure side pressure is too high

a. Drier internal blockage, replace the Drier.

high-pressure pipeline blockage, be cleaned or replaced.

H. car electronics maintenance of the common sense of the low voltage side pressure is too high, the processing of the high-pressure side of the pressure is too low.

a compressor gasket leak, replace the gasket.

b compressor valve is damaged, replace the valve.

Source:

LEDs & Optoelectronics

http://www.ibuonline.com/category/LEDs-Optoelectronics

by:yaoxue

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