Question about Fujitsu Air Conditioners

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We have a fujitsu reverse cycle air conditioner. Last night when we went to turn it off with the remote it did not respond. We needed to turn it off at the switch outside the house. We replaced the batteries in the remote. We get a display on the remote but it does not appear to communicate with the air conditioner. The air conditioner continued to send out warm air when we swithed it back on from the outside. We then found a manual on / off button under the inside flap of the wall mounted system. This did turn the system on but the fan etc did not come on. Does the unit need reprograming to the remote of any other suggestions. Regards Greg

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Check if the remote control if still good, using the camera of your cellphone point remote control to the cellphone camera and press the "on" button of your remote and you can see the light emitting from your remote control transmitter. If the lights emits that means your remote control is good, if not means the remote control is defective.If the remote control still good try to press the RST or RESET button on your remote control and try. If wont works it means that the reciever board in the indoor unit is defective.



We have a fujitsu reverse - bcdc925.jpg620d5f6.jpg

Posted on Aug 29, 2008

  • Anonymous Apr 08, 2016

    I had the same problem with my remote. What happen is that the remote build up dust in side. To fix this problem you have to open the remote by unscrewing all the screws on/in the remote, even the screws that have the motherboard in place. Use WD40 and a dry cloth that will not leave any residue to clean the motherboard. Spray the WD40 on the cloth, not too much, and wipe the motherboard as if you are polishing it, wipe everything on the motherboard gentle. Then you remove all the push buttons (start/stop and the other buttons) on the remote and clean them also, even the slot and wires where the batteries sit. When you are done cleaning put everything back where they belong and your remote should work like new.

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