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My air conditioner won't turn on with remote. Unit has flashing green button

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Unplug unit get new batteries and plug unit back in

Posted on Apr 04, 2015

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Cant get the controller for my fujitsu auy18asd to work with the unit theres no beeping or nothing


An easy way to check the remote is to use a digital camera. Turn the camera on and point the remote at the lens. Look at the camera screen and press a button on the remote. If it is working, you should see the transmitter flash a purple/blue colour. This is not visible with the naked eye so you have to use a digital camera to see it. A phone camera works fine. If you see the transmitter flashing, the remote is probably ok and the receiver board or controller board in the head unit is faulty.

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Fujitsu airon ASTA24LCC 2 flashes green and red then 5 red flashes any idea what it means


Had similar problem (ie. 2 green & red flashed followed by 5 red flashes - Fan blowing but not cooling ... I also noted that the outside unit fan wasn't going). Tried restarting several time after waiting only a minute or two after turning the mains power off but with no change. So turned the unit off at the mains power and then fired it up about 2hrs later and it was all working fine.

Jan 24, 2013 | Fujitsu 24C1 Air Conditioner

1 Answer

Ai2hh-2 green flasjing light on unit and remote


The problem of electronic control units in the indoor air conditioner, there are two temperature sensors, sensor pipe evaporator and room temperature sensor. one or both of these sensors is defective, so that electronic controller error and showed signs of a green light flashes and the remote does not work. You must replace both sensors with a new and appropriate size (specification)

Jul 24, 2010 | Heating & Cooling

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Mitsubishi split-type air conditioner model MSH-26SV. When the unit is switched on, the 2 green lights on the front panel light up normally but but the unit doesn't work at all and, after a few minutes,...


Hi I have Mitsubishi split unit which is 5 years old. when turn heat mode for 30 deg C on the remote condesing unit runs for about 6 minuts and stops. what would be the Technical problem ?Thanks an Apprentice.

May 23, 2010 | Mitsubishi MS09TW Air Conditioner

1 Answer

Samsung aircon cuts off. lights green/yellow flashing


lg air cond.multi split led lamp blink power 1 times,good sleep 2 times

Feb 11, 2009 | Heating & Cooling

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Samsung aircon turns in 5 sec. lights green/yellow flashing


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Feb 11, 2009 | Samsung Heating & Cooling

1 Answer

Coleman 15k will not come on


Here is the troubleshooting guide for your unit. Hope this helps.

TROUBLE SHOOTING GUIDE
TROUBLESHOOTING
Symptom Remedy
1. Remote does not turn on system
- Check and replace remote batteries if the display fades while
any button is activated or no display is present. - Point remote towards IR receiver during transmission. 2. System does not turn on, no green LED & no beep
- Check wiring. (see "installation instruction")
- Check modular cable to receiver.
- Check diagnostic LED status in the upper unit control box.
3. System does not turn on even when receiver green LED is on.
- Low or over voltage condition, check diagnostic LED status in the upper unit control box.

4. Fan runs but no cold air.
- Evaporator temperature sensor reaches low limit, defrost mode.
- Check diagnostic LED status in the upper unit control box.
5. System runs continuously in the cool mode
- Remote was set for "I feel" mode and is left in a heated environment (sun etc.)
6. System runs continuously in the heat mode
- Remote was set for "I feel" mode and is left in a cool environment

1. Diagnostic LED (green)
(Note: Located on the control board in the upper unit control box.)
a) The LED is on when the 12VDC is adequate and communications are
present.
b) The LED is flashing fast and steady when in the freeze mode. Evaporator has frozen and the freeze proctection switch is engaged.
c) The LED is flashing slow and steady when the delay on break timer is
activated.
d) The LED is flashing 1 cycle on and off for one second with high or low
12VDC. Check the incoming 12VDC power for OK.
e) The LED is flashing 2 cycles on and off for one second with a
communication problem. Problem with the control board in the unit and the remote.

Hope this helps.

Jeff

Rate me Please!!!

Jul 29, 2008 | Coleman Mach 15 Air Conditioner

1 Answer

Green light flashes 3 times will not operate


Its may be the thermistor is defective or out of range or the board itself, the unit will not operate unless the defective part is not replace.

Mar 04, 2008 | Fujitsu 18C1 Air Conditioner

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