The condenser fan does not turn the condenser fan and cannot rotate. Most of them are caused by the lack of lubricating oil in the sliding bearing shaft, the bearing bush burned out of the axle, or the fan motor coil burned out. It may also be caused by the fan operating time being too long, the current is large, and the air conditioner relay contacts are not working properly, and the output circuit on the copper plate is blown. When the condenser fan is not rotating in use, you can first check whether the fan motor coil is burnt out with a multimeter. If the motor coil is in good condition, check the oil bearing at the rear end of the fan motor. If there is no oil trace, it means that the sliding bearing is short of oil. When the refrigerant is insufficient, the air conditioning system is found to have insufficient cooling capacity. If the refrigerant in the refrigeration system is insufficient, the system pressure can be checked with a manifold pressure gauge.
If the high and low pressure side pressure is low (high pressure is lower than 83kpa, low pressure is lower than 78kPa), there are bubbles in the liquid glass window, and the gas at the air outlet is not cold, which indicates that the system refrigerant is insufficient. Treatment: Identify the cause of the leak, repair the leak, and replenish the system with refrigerant. The engine is operated at ZO0r/mni, and the pressure gauge reading when the bubble disappears is about 118-Z16kpa on the low-pressure side, and the high-pressure side is about 1274-1596kpa.
Condenser cooling poor cooling system condenser poor cooling, mostly due to engine heat sink and condenser heat sink dust, debris blocking. When checking, the system pressure can be checked with a manifold pressure gauge. If the high-pressure meter reads high, and the engine heat sink and condenser fins are full of dust and debris, it means that the condenser is not well cooled. Treatment: Eliminate dust and debris accumulated in the engine heat sink and condenser fins.
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