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The air-conditioner doesn't automatically melt frost failure analysis
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freezers timer damage, defrosting heater circuit, temperature fuse burning, double metal contained in the melt temperature control stop.
air-conditioner is not automatic melting frost error analysis
if you don't defrost freezer, thick frost layer will cover the finned evaporator, the gap between the air can't normal circulation, cold air blowing, air-conditioner can't be cold air.
don't defrost failure of maintenance is more complex, mainly displays in the defrosting circuit is more complex, generally speaking, there are two general circuit in the freezer, two kinds of circuit using the timer is also different.Therefore, to study circuit diagram before maintenance.
freezers generally should first check the timer motor power supply is normal, if the power supply is not normal, should be focusing on defrosting heater, temperature fuse.If the normal, please ensure that the timer is in the defrost position.
if freezers melting frost without melting, the need to further confirm the bimetallic cream will stop a constant temperature.If not defrost position, the timer will be damaged, need to change.
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