Question about Mitsubishi MSH09TW Air Conditioner

4 Answers

Air conditioner When in cooling mode, cooling unit shuts off after 10 min. with fan still running and flashes E3 on display.

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  • jicamo Apr 27, 2008

    starts on for 5 minutes and then shuts down.

  • CLUBKEV4U May 30, 2008

    I HAVE A FEDDERS WINDOW UNIT

    IT BLOW COLD FOR 5 MIN AND THEN THE COMPRESSOR SHUTS OFF AND THE FAN BLOWS HOT IF I TURN OFF UNIT AND THEN BACK ON THE COMPRESSOR COMES BACK ON AND WILL BLOW COLD FOR 5 MINS THEN SHUTS OFF AGAIN PLEASE HELP

  • Anonymous Jul 11, 2008

    blows for less than a minute then flashes e3

  • marksofd Jul 16, 2008

    Where is the thermostat switch, what do I check for, can i find a replacement easily, and can i replace it myself ??? Thanks.

  • Anonymous Jul 17, 2008

    Sometimes the unit wont even come on and when it does it runs for only 15 min.s maximum.

  • Anonymous Jul 17, 2008

    Unit won't start often. gfi shows power. when unit does start everything works ok, but shuts off after 15 min.s maximum

  • Brute145 Jul 18, 2008

    I have a fedders ductlesssplit air wall mounted air conditioner which runs for a bit, then it cuts off showing an E5 error and that is only sometimes. When it does run constantly it does not cool the room. I cleaned the filters and still not cooling properly. I am curious to know what E5 is. It does not show anything in the manual

  • Anonymous Aug 16, 2008

    same problem as other people are having.

  • Anonymous Aug 20, 2008

    I have a Daytek Daewoo ASWH12A4/EL Airconditioner that does not start. As you switch on the display shows the temperature and then goes straight to E3. Can anyone help please?

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I managed to find the people who supplied the unit, it was still under warranty, and they said it was the thermistors (temprature probes, they replaced both of them) It is now working perfectly!

Posted on Sep 24, 2008

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I just paid someone to diagnose mine which is doing the same thing. E3 on the Mitsubishi air con can mean a few things. 1. Unit is overcharging.
2.Faulty accurators
3.Electronic module.

Now this is all gobbledy gook to me but perhaps you might know more or know someone who does. I now have to pay this technition $75 hr until he fixes it.

Posted on Sep 23, 2008

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Your ac is short cycling. compressor or board.

Posted on Sep 09, 2008

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  • 86 Answers

1.check thermostate switch

Posted on Mar 17, 2008

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1 Answer

CZ 2020C Flashing E3, how do I fix it?


If you place a small fan behind the heater where the controls are it should quit stopping on you. There is a small thermal sensor that is getting warm and shutting down your unit. Its a safety item.. but it also works when you need your heater the most. So place that fan and it will blow the heat into your room better also.

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Flashing Display Timer = Yes
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Fans running constantly hp laserjet 8150


my guess, its packed in lent and needs cleaning>?
but i can not see it, so....
try the real form at HP>?
the 10min rule to me sounds bad rumors.or just near usless estimate. is this printer in and office setting or a hot garage?
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fans in most cases all are temperatures sensors, tell it , its too hot.
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real forum. try it?
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The e3 light is on and its not cooling just fanning


The E3 error code, indicates that the water in the collection tank is full and needs to be emptied.
Turn the unit OFF & unplug it, before attempting to drain the tank. Once that is completed, the unit should operate as designed.

Hope this helped you and thanks for choosing FixYa.

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Spw-kr254 sanyo wall mount. unit operates in heating , when in cooling will operate for a good 10 mins then fans stop running and on/off button flashes


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My maytag microwave mmv1153bab cooks for about 4 min on high and then shuts off compleatly lights and all then 10 min later comes back on with a :0 in the display window what do I do


Run it with the exhaust fan on high,if this helps, the unit is over heating and has a bad cooling fan,Magnetron or Magnetron thermostat. 

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Carrier A/C in RV won't run


check your breakers make sure when running unit this is the only thing on the breaker 15 to 20 amp be sure to keep a window cracked as well unit does freeze over so don't have all the way on cold

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2 Answers

E3 is flashing on display panel


Calling two service centers, they both indicated that the main circuit board needed replacing. This would need shipping the unit!!, part and then labor. I figured over $120 - not reasonable. I then took the unit apart and followed the wires from the compressor to the back of the unit. This is where the moisture sensor was located - upper left. You'll see this when you take the filter off. Anyway, I cleaned the face of this part with a old toothbrush, used some compressed air to remove any dust. I then followed the wires with the black sleeve that went to what I think is a temperature sensor - also on the left. The wires go to a sensor that is pushed into a copper tube that is part of the cooling tubing. Gently pull this out, wipe it down and re-install. I then plugged the unit in, set the humidity level and it now works. I just put the unit back together and the compressor is turning on and collecting moisture! I will run it a few days and keep checking on it to make sure it doesn't go into the 'E3' Mode. By the way, the repair shops I called really didn't have a clue what the E3 code was. Dennis

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