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Fujitsu AOU24CL1: problem- red&green lights blinking twice, then only red light 5 times, outside fan stops, indoor- blowing hot air. Please help, freon checked and it's full, no leak, filter-cleaned.

Please ASAP, otherwise my refrigerator inside of garage will die, too hot. Thanks a lot guys.

Posted by Aleksandr Gazarov on

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1 Answer

Steve F

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  • Master
  • 1,360 Answers

It appears that it is a "25" error. This is a "PFC" error. One of the circuit boards has failed. You could try a full power reset by turning the machine off at the power supply for at least 30 minutes and then trying again.

Posted on Jun 16, 2019

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5 Related Answers

heavymetal77

Pete MacSparran

  • 721 Answers

SOURCE: ac not working, blows hot air only. Recharged

Check the evaporator coil by sniffing the vents,floor is best, with your tester.

Posted on Jul 16, 2009

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JAY

  • 251 Answers

SOURCE: MY frigidaire Air Conditioner model

A few basic principles for air conditioner troubleshooting. For both central home air conditioner or window air conditioner, the first thing to check is whether the unit is getting proper power. If the unit uses 220 volt power be sure that the proper voltage is getting to the unit. Same for 110 volt units. A voltage meter can be used to assure that the voltage is correct.

For window air conditioning units the voltage can also be checked before and after the thermostat. If voltage is being supplied to the thermostat but not from it then the thermostat probably needs replaced. This is a fairly common problem. Another place to check is the fan motor voltage. The fan on window air conditioners runs both the indoor blower and the condenser fan. If that motor fails than the compressor may run for a short time, but will overheat and shut off. Continued operation like this will result in compressor failure. This motor can be economically replaced for larger window air conditioners, but for smaller ones the cost of replacement will be more than a new unit.

Central air conditioners for the home are more complex and there are more things that can go wrong. As with the window air conditioner the thermostat can also be a problem. The central air conditioner thermostat will only have 24 volts going to it. So don't look for high voltage there. Some units the voltage will be coming from the outdoor unit and others the voltage will be supplied by the indoor air handler or furnace. Most home central air conditioning will be supplied by the indoor air handler or the furnace. If the air conditioner is for cooling only the unit will usually have only two wires going to the condenser unit. Make sure that you have 24 volts across those wires.

The next thing to check will be the indoor blower. If your thermostat is calling for cooling then the indoor blower should be running. If there is no air moving across the indoor cooling coil then you will soon have a big block of ice formed on the coil. This can happen for a few reasons. The indoor blower is not working, the air flow is restricted and not allowing air to move across the coil. A clogged air filter would also do this. Or the outdoor condenser unit has lost the charge of refrigerant.

Finally and worst of all is when you have a complete compressor failure. Often when this happens the compressor will "lock up" or not be able to turn when power is supplied to it. Overheating or lack of lubrication are usually the main causes of compressor failure. Overheating can be caused by the outdoor coil around the compressor getting clogged with dirt, leaves, or grass. Loss of the refrigerant charge will also cause the compressor to overheat. It is the cool return gas coming back to the compressor that helps to keep it from overheating.

As you can see there are many things that can go wrong with an air conditioner and I have not come close to exhausting the possibilities here. I have just touched on the most common problems in a very basic way.
There are some basic trouble shooting things that can be done very easily. Most problems are above out of the range of comfort for many homeowners and professional help should be consulted before any attempt is made at repairs. Remember also, that the release of refrigerant gases into the atmosphere is a federal offense in the
US. Proper care must always be taken to minimize the release of any gases. A license is also required to handle refrigerants. Make sure that the professional you call has the proper certifications to handle refrigerants properly.


http://www.fixya.com/support/r3636709-size_air_conditioner_need

http://www.fixya.com/support/r3623253-window_air_conditioners_clean_every_year

http://www.fixya.com/support/r3633369-portable_air_conditioning_great_portable

http://www.fixya.com/support/r3623166-heating_air_conditioning_scams

http://www.fixya.com/support/r3597468-you_can_add_air_conditioning_to_your_hot

http://www.fixya.com/support/r3583697-how_to_keep_house_cool_without_using_air

Posted on Jun 07, 2011

bugoy31

bonifacio gomez

  • 1238 Answers

SOURCE: MY FUJITSU A/C indoor model# ASU36CLX

Good day!!!!


the manual said that error code is cause of discharged thermistor..

-The detection value of the discharge thermistor is either open or shorted > Compressor, outdoor fan: OFF (automatically
releases when the value is returned to normal)

-Check the thermistor resistance values (refer to thermistor value chart)

-controller pcb defective...

Or try to click this link to see the diagnosis:

http://www.e-comfortusa.com/PDF_files/Fujitsu/12RLQ/Fujitsu_12RLQ_Halcyon_System_2008_Troubleshooting_Guide.pdf

Hope it helps..

Thanks for using fixya..

Posted on Aug 12, 2011

Jon Shapiro

  • 3 Answers

SOURCE: Fujitsu asu24cl blinking lights

This machine is a looser. Mine has same blink codes. Its been serviced every year since it was installed 3-4 years ago.. Since the elctric work was half the cost of installing it, maybe Ill put in a differnt brand!

Posted on Oct 28, 2011

SOURCE: fujitsu asya09lcc wallmount split lights flashing indoors

just happen to me, call the service guy........... he told me to cut power for 30 minutes cause it erase memory inside machine. I did and its working........ So happy

Posted on Jan 05, 2012

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