Why does my brand new wall AC unit turn on but the fan does not work?
When I plug in my brand new air conditioner and press the power button on the unit (or the power button on the remote) the unit will turn on the display, but the fan will not come on. I have also set it to cool mode and even fan only and the fan does not start.
If I hold down the on/off button while plugging the unit in, I get what appears to be a diagnostics on the LCD as it moves through numbers until it displays settings. Just prior to the number readouts the fan or compressor sounds like it is kicking in or trying to start, so I'm not sure if it is a fan problem or something else.
Re: Why does my brand new wall AC unit turn on but the...
Good Afternoon Michael,
I see that you are having trouble with your Frigidaire air conditioner, model# FRA14EHT2, and the fan not turning on, even though the compressor turns on. Being that this is an air conditioning, I suggest either calling your local authorized technician or possibly the manufacturer. One of which will be able to assist and direct you in the right direction of having your air conditioner working. Hope this is helpful.
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as there are two control boards in ac units ( split systems) and one in a window unit
it could be the inside board ( they do not suffer power surges to well or vermin infestations at all )
before you waste more money I suggest that you get a technician in to determine the fault and if parts are readily available.
I understand your Frigidaire air conditioner, model# LRA067AT7, will not turn on. I also see that the wall outlet is good, so you are wondering if there is an automatic shut off if the filter has not been cleaned. Your air conditioner does not have an automatic shut off, if the filter has not been cleaned. Please start by cleaning the filter. You can do this easily with the following instructions:
The air filter should be checked at least once a month to see if cleaning is necessary. Trapped particles in the filter can build up and cause an accumulation of frost on the cooling coils.
1)Push the vent handle to the Vent Closed position (where applicable).
2)Open the front panel.
3)Grasp the filter by the center and pull up and out.
4)Wash the filter using liquid dishwashing detergent and warm water. Rinse filter thoroughly. Gently shake excess water from the filter. Be sure filter is thoroughly dry before replacing
5)Or instead of washing, you may vacuum the filter clean.
Also, be sure your air conditioner is properly grounded. To minimize shock and fire hazards, proper grounding is important. The power cord is equipped with a three-prong grounding plug for protection against shock hazards. Your air conditioner must be used in a properly grounded wall receptacle. If the wall receptacle you intend to use is not adequately grounded or protected by a time delay fuse or circuit breaker, have a qualified electrician install the proper receptacle. Do not run your air conditioner without outside protective cover in place. This could result in mechanical damage within your air conditioner. Do not use an extension cord or an adapter plug.
The power supply cord contains a current device that senses damage to the power cord. To test
your power supply cord do the following:
1)Plug in your Air Conditioner.
2)The power supply cord will have TWO buttons on the plug head. Press the TEST button. You will notice a click as the RESET button pops out.
3)Press the RESET button. Again you will notice a click as the button engages.
4)The power supply cord is now supplying electricity to the unit. 4)
I ask that you please follow up with a comment on the post, at your convenience, to advise if further troubleshooting is needed or if your appliances status has changed successfully. Hope this is helpful.
A heat pump is an air conditioner that reverses its refrigerant flow. In the cooling mode, the evaporator is cold to the room and its condenser is hot. In the heating mode, a valve reverses the refrigerant flow and makes the evaporator warm and the condenser cold.
Sorry to read about your problem, I hope this helps you out.
Their has to be a model difference issue . I have checked the Manuel and have put a copy of the section, for modes. and their is no heat only mode.
Your unit uses heat anyway, so i really do not know how, heat only would help you. I would say to look at the sticker on your friends model, and see if the numbers are exact.
When the unit is first connected to a power supply, the electronic circuit board will automatically default to the following factory settings; Mode: Dehumidifier Humidity Set Air Value:60% RH Fan Speed: = Low
NOTE: In the event of a power failure or the unit is switched 'Off', the most recent settings are retained and restored once the power is switched "On"/resumed. IMPORTANT NOTE: Depending on the ambient humidity conditions, when power is restored or switched 'On' the dehumidifier may not start automatically under the factory or custom (see page 7) default setting. This is an indica- tion that the ambient RH% level of the surrounding envi- ronment is lower than the current default setting and it may be necessary to select a lower set RH% value. DRY MODE SELECTION: 1. The unit does not have to be switched on (opera- tional) to select/set a program. All programs can be selected with the unit in the "off" position. 2. Press the MODE button until the Dry symbol is shown in the mode area of the display. Note: Each time the MODE button is pressed, the setting will alternate between DRY (dehumidifier) and FAN (only) mode.
3. Press the or cursor buttons to select the desired RH% operating value. To select CONTINUOUS operation,pressthe buttonuntilthesymbol"--" appears in the SET AIR display. During CONTINUOUS mode operation, the humidistat (control) will be by-passed and the compressor will operate non-stop regardless of humidity conditions. FAN SPEED SELECTION:
4. Press the fan symbol on the keypad. Each time the button is pressed, the mode selection will alternate between "High Fan" and "Low Fan" speed options. The fan speed you select will appear in the LED display; either a 4 blade fan symbol for 'high fan' or a 3 blade fan symbol for 'low fan' will be shown in the display area.
5. When all settings are complete, press the I/O button to start the selected operation (MODE) and the blue opera- tion light will illuminate.
FAN ONLY MODE SELECTION: 1. Press the MODE button until the fan blade symbol is shown in the mode area of the display. 2. Press the "Fan" symbol on the keypad. Each time the button is pressed, the mode selection will alternate between "High Fan" and "Low Fan" speed options. 3. When all settings are complete, press the on/off button to start fan mode operation and the blue operation light will illuminate.
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A dehumidifier is a 'de-tuned' air conditioner. Its job is to remove some of the heat from the air, causing a temperature differential which in turn should make the warm air give up some of its moisture ... just like a AC unit.
To understand the operation, you must accept that you cannot cool anything ... you must remove the heat from it. The heat (energy) must go somewhere ... in the case of a dehumidifier, it goes back into the room. Oh yes, also contributing to the heat is the electric components you are running ... the control boards, the compressor and the fan ... all use power and thus, give off heat.
Should there be heat coming out of the unit? ... yes, if it is running. Don't get mad ... these are things you probably learned in 6th grade science class - relative humidity - heat differential - properties of energy - etc.
I don't think it's a thermistor problem, as previous respondents have suggested. I have one of these units. The control panel has been nothing but trouble. The Power button works, but the Fan Speed button is stuck on High. The Humidity Up/Down buttons only work sporadically. Sometimes they work if I keep punching them. There doesn't seem to be any rhyme or reason as to when they work and when they don't. I think they're just cheap parts that have failed prematurely.
either try a different outlet to see if the G.F.C.I. is bad on this outlet or if the dehumidifier trips on another line it could be the units motor start capacitor that shorted or the compressor is bad
Is the compressor running or is it just the fan? If its just the fan it is because it is cycling the air and it uses that air flow to check the humidity in the air. If the fan runs non-stop and the compressor does not turn on or the fan does not shut off there is a problem with this unit and you will need to replace it. Since it is brand new you should still be able to return it to the store.
the control board is a very simple design and it is to signal and switch options like fan speed, power on/off, humidity up/down and sets the on/off run time. Like above the board does collect dust,but the true problem runs deeper.
My unit was stuck in run mode with the fan speed, humidity and run timmer non functioning. the unit worked and the power switch turned it on and off. The display said ON
I removed the front cover (two screws) and slight pressure on the side of the cover to remove it. This exposes the control board. The control board can be removed by removing the 6 screws on the board. the cable can then be removed by pulling out the multi-pin ribbon cable.
I diagnosed that only two of the 5 push button switched were functioning. There was also dust and mold on the board. This board is poorly protected from the moist air entering the unit and the constand moisture causes corrosion on the board, the switched seem to be the weak link.
By using a multi meter I noted that only the power switch and the humidity down button were making contact when pressed. Now it all came together. I could turn it on and off. and if you press the humidity down button to the lowers setting (ON) means run all the time.
I used a elecronic contact cleaner and sprayed it into each of the switches. I wiggled it around and blew it out with canned air. It took a few wiggles and blasts but all switched then made contact. I the board back on and tested all functions and it was like new. The contact cleaner should keep it protected for a while. The non functioning of the switches works both ways. They can stick on also. This would explain most of the other control problems. These switched are common and can be picked up at Radio Shack. On a do-it-yourself bananna scale it was a 2 for me, but I had the tools and the spray. I am not sure what sears gets for the PC control board,but this is the issue and if they were to address this the unit complaints would drop greatly.