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Have NEC RIH-2667 Inverter Split system.I set to Heating mode,set temp to 25 degrees.The compressor light comes on.The run light flashes for about 30 seconds.Then the vent opens,the fan comes on and starts blowing out heat.Within 5-10 mins the temp on split displays starts going up.when it gets to 26-27 the run light flashs,fan stops,no heat coming out.The temp on system keeps going up to 30 takes approx 40-60 mins to come down to 25ish the will come on again and repeat.I have an independent temp gauge in room which in this time period doesnt go above 25 degrees and goes down to 23 degrees while split is coming down in temp display.Is this normal as room does not keep warm like other split in another room keeps warm all the time.Thanx in advanced

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  • ellecee May 28, 2008

    I have the same problem!!

    When I turn it on, in heating mode, it will open and work for about five minutes. My display will rise to 32 degrees (which blatantly is NOT the temp in the room) and there will be no air coming from the unit at all. Would love to get a solution - it's getting really cold here!!!

  • kbrion Aug 07, 2008

    I have a NEC Split system also. It will not stay unless I set the temperature to 27 degrees or above. If I leave it on 26 it will run for 1 minute, turn off for 10 mins, then run for 1 min etc.

    The room temperature is freezing and clearly not above 26 (more like 17 or 18).



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if your outside and inide units are running and your tstat has fresh batteries and your air filter is fresh then I will need more info to help solve

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Check the radiator for dirt, and check if the radiator fan is functioning. Do you notice any wetness or ice build up on the outside copper pipes. If so, suggest calling a refrig. tech. to add gas. The gas used is R22 on most aircons.

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SOURCE: not working probly two flashs then pause

The two flashes are telling you what's wrong with the unit. Take the cover off of the unit inside(evaporator) and there should be a guide on the panel with the wiring diagram. On this diagram there should also be a solution to what each blink means. One blink means this, two blinks mean that, etc... Hope this is helpful.

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SOURCE: Daikin Inverter Split system turns

There are quite a few things that can cause the symptom you are describing there...
The most common would be for you to have a refrigerant leak in the system that is causing the outdoor unit not to run, but the indoor unit still will run...

Often there will be a diagnostic LED on the outdoor unit that will help with troubleshooting...

Of course also a good thing to try is to remove all power to the unit indoor and outdoor...and then reapply the power and see what happens...this may correct the fault...

here is a tip that also will give you some things to check....

Feel free to comment back with any more questions...

Air Conditioner Trouble - Review the Possibilities


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