Question about Mitsubishi MS15TN Air Conditioner

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NOT TURNING ON.

CAN NOT TURN ON POWER. REMOTE CONTROL BATTERY IS NEW.

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Pls Check the internal wiring from out door to indoor.
or check the supply power.

Posted on Apr 16, 2009

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On my Air conditioner, there are no buttons for me to change controls on it, as well as the remote is not working. Could you possibly help me resolve this ? I put brand new batteries in it.


The remote is the only controller. Try turning off the power to the system at the breaker or o.d. disconnect, wait about 10 mins(at least 5) and then turn power back on. This should reset the system and if it has the controller locked out, should reset it also. If not, the remote may be damaged. Or I.d. unit sensing capabilities are damaged. Make sure the battery terminals in the remote are not corroded or broken and the batteries are new/hot. If the indoor unit has had water leak issues it may have damaged the sensor inside the air handler. I'm not sure what unit you have, window unit or mini split

Jun 23, 2015 | Air Conditioners

1 Answer

Our Kreisler air conditioner is rarely used, is 7 years old and will not switch on. The batteries have been renewed on the remote. Could it be the sensor in the unit? Do I need a service man?


The first thing I would suggest it to verify that power is provided to the unit. You should get a display on the face of the indoor unit if there is power. If there is power, try turning the outdoor unit off for a few seconds and back on to reset the controller. If your unit is like I think it is, the indoor unit receives its power and control signal from the outdoor unit, then the remote utilizes a rf signal to control the system. Also try new batteries in YOUR remote.

Jan 04, 2015 | Air Conditioners

1 Answer

I have a goldstart gw 6500 the remote is not turning the unit on how can i fix it?


check battery in remote clean remote sender and a/c receiver replace remote

Jul 14, 2014 | Goldstar M5200R Air Conditioner

1 Answer

Remote control functioning unit is functioning, but remote control is not activating unit, could you please help. Part number is 9365005019.fujitsu room split air coditioner


Hi Russell Webe, just a guess, but sounds as though the remote receiver board is faulty, however you might try new batteries in the remote first,it may help. failing that it is time to call the serviceman. Also try turning the power off to the Ac unit for about 5 minutes and then back on again. This will reset the electronics and again may solve your problem regards. col www.digitalcontrols.com.au

Feb 23, 2011 | Fujitsu 24R1 Air Conditioner

1 Answer

I don't know what model my fan is, but it's only 3 years old and suddenly two days ago the light and fan quit working. We replaced the light switch on the wall-nothing. Took apart whatwe could of the fan...


That may be, because you were using the Remote Control to operate it, but then turned off the wall switch instead of turning it off using the Remote Control.

Turn the wall switch back On and try to get the Remote Control to take back over the operation. If that solves your problem, in the future you will know to turn off the fan and lights with the remote, before turning off the wall switch.

Hope this helps solve your problem. My wife had to learn the same way with ours.

Feb 04, 2011 | Hampton Bay Air Conditioners

1 Answer

Dometic control comfort control will not turn heat on or off


I had the same problem. I fixed it by turning off the battery switch to disconnect the battery from the power panel. I then had to turn off the main 110 breakers to shut down the converter. Once all the power was turned off the LED light went off. When I turned the power back on the remote was working fine. Hope this works for you.

Jan 09, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

Lost remote to ceiling fan


Go to any hardware store and buy a replacement kit. You'll have to take down the fan (turn off the power first) and remove the black remote box from inside the cup covering all the wiring. Replace that with the new black box that came with the new remote. Make sure that the remote control and black box pins are set the same and reinstall your fan. Total time, probably 30-45 minutes plus a trip to the hardware store. Level of difficulty, moderately easy. Cost, probably $15 min to $40 max. Anything above $40 and you may as well replace the fan altogether. Note: Before you remove the original black box, check the pin settings and set the new hand remote to those settings. Turn on the power and try to turn on the light with the remote control (don't turn the fan on unless you totally reinstalled it) - if it works, you may not need to replace the black box.

Apr 18, 2008 | Air Conditioners

1 Answer

Air Conditioner will not turn off with remotes


Remote control has a reset button found in front or at back inside battery compartment. If you replace your remote control with battery or your remote control is malfunctioning you to reset it.
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You don't have to go outside to turn off the unit, you can "on" or "off" the unit using the emergency operation switch.



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Jan 02, 2008 | Air Conditioners

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