The cause of the failure of the common evaporator frosting or temperature sensor circuit, the installation position of poor ventilation and dirty filter indoor machine.
引起该故障的原因常见为蒸发器结霜或温度传感器断路，室内机安装位置通风不畅以及过滤网太脏等。
Another cause of improper engine idling can be dirty or plugged air filter in the bottom of the charcoal canister.
发动机怠速不正常的另一个原因是活性炭罐底部的空气滤清器脏污或被堵塞。
When the filter room is dirty, cleaning is carried out on its original place.
当过滤室脏后，其清洗是在原位上进行的。
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