Question about Fujitsu Heating & Cooling
Fujitsu controller Model: AR-JW19
I think it might be to do with the timer? Will turn the light on the machine and beep,but not open up the vents and pump air. Been able to get it going a couple of times. Set with half moon and clock at 1hr, 9o'clock diagram to blank clock at zero and 9o'clock and vertical line at 6 o'clock? Tried to reset by taking batteries out but duz not work.
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Posted on Jan 02, 2017
SOURCE: Fujitsu Heat Pump - problems
I had the same problem. The heater did not work in heating mode. However it was OK in air-conditioning mode. The operation light and the timer light blink twice and then the operation light blinks for 5 times followed by few seconds non blinking, then the cycle repeats again. I have read on the internet that you better unplug the power cord and then plug it again so that the heater re-sets itself. My only problem was that my heater is directly plugged to the power with no visible plug. So I went to the main distribution board and put off the power for about 20 seconds for the whole home. HOORAY!! The heater worked after that.
Posted on Aug 08, 2008
If your remote control have display but cannot transmit signal to the unit. Confirm first if the remote is really the problem, using your camera or cellphone camera as your eyes point the remote transmitter to your camera and "on" the remote. You should see light emits in your remote control, if no emitted light then the remote control is defective. But if there is a light the defect is in the unit receiver.
Check also if there is a reset or rst button in your remote control and reset it and try.
Check also if there are error codes in the unit, reset the unit by disconnecting the power supply in the unit for 10 sec. and "on" again and try.
The unit can be operate without remote control, use the manual button located in the unit.
If the remote control have no display replacement of remote is recommended.
Posted on Jan 16, 2009
open the remote and carefully look at where the batteries make contact they sometimes bend in and dont make contact just pry them out a little and reinsert batteries and it often will work again
Posted on Jul 07, 2009
I have same problem like yours to my newly installed Fujitsu multi-split system (the first time use since system installed 1 week ago). I rang the electrician who did the installation; he said it must be the units themselves nothing to do with electricity.
Okay, then I rang Fujitsu and their local service agent. They suggested me to switch off C/B for an hour to reset the units. I followed the instruction but the indoor units still did not respond to remote control...
It simply looks like no power supply to indoor units (they are hard-wired to the outdoor unit). So I used a multi-meter to test the power terminals of indoor units (Danger! If you have no idea about this, don't even try! ): it seemed no power supply even C/B is on. I turned to the isolator which next to the outdoor unit. The isolator was making arcing noise when I switched it on and off. The indoor units suddenly turned on for few minutes then died again.
So I figured out the problem is that crooked isolator. I called the unhappy electrician to replace the isolator. End story....
I hope my experience will help you a little bit.
Posted on Nov 23, 2010
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