- 1). Measure how long it takes for the unit to begin working. If it takes up to three minutes, then it does not necessarily mean there is a problem; if the unit is stopped and then started immediately, the compressor will not operate for about three minutes. Likewise, if it is unplugged from a power socket and then reconnected, the same time frame will apply. A time lag doesn't always mean there is a problem with the unit.
- 2). Ensure that your room is clear of any strong, unpleasant smells. They can be picked up and re-emitted by the air-conditioning unit -- potentially leading you to think the unit is creating unpleasant odors.
- 3). Consider potential causes for weak, or no, airflow from the air-conditioning unit. These could include periods during which the unit is monitoring the room temperature, the air-conditioning unit has just been switched on or the room temperature has risen above the thermostat temperature.
- 4). Check whether the remote control unit's batteries are dead or if the remote control unit's batteries are loaded properly if the air-conditioning unit cannot be controlled remotely.
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