How to Troubleshoot a Fujitsu Mini Split


A Fujitsu Mini Split is an air-conditioning unit manufactured by Japanese technology giant Fujitsu. As the company has a wide range of air-conditioning models on the market, you can expect a good-quality product. Nevertheless, as you approach summer, you don't want to be taking any chances with the technology designed to keep you cool -- and some knowledge regarding potential problems could be essential.

  • 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.

  • 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.

  • 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.

  • 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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