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Lg s24ahn had a ch27 fault then corrected itself should I check the pcb or wait to see it the fault repeats itself

\015 Ch27 fault appeared then corrected itself should I check the pcb or wait and see if the fault repeats itself\015

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Lg s24ahn had a ch27 fault then corrected itself should I check the pcb or wait to see it the fault repeats itself


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I've just moved into a home with an existing Armstrong Concept 10 A/C unit that's at least 15 years old. When I left for a 2-week vacation, the unit was working great. I set the thermostat to 77 to save energy. Upon returning, I lowered the thermostat to 70 and waited, and waited and waited several hours only to find the temp. in the house was not lowering, it was actually rising! I could see the unit's fan blade was not moving so I checked the circuit box in the basement, and the A/C breaker


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I have an APAC ducted reverse cycle air conditioner Sundowner 11 which keeps shuddering intermitently at the outside unit. I have had a service technician look at it and he has replaced three contacters in the unit and checked the thermostat. He does not what the fault is. He has also by passed the pressure switches to see if this sorts out the problem. But this did not work. he has also checked the board in the unit as well.


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Sounds as if the motor is heating up and shorting.Call a pro to find out for sure. ... Air Conditioners

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Hi, what is happening is, you have power to the outdoor unit. I am glad you have a volt meter. This system is a split unit,condenser outside and indoor unit. This is what you need to check, and what the buzzing is, and why the fan and compressor will ... Ruud UAMB Air Conditioner

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You need a capacitor checker or with an anolog meter on ohms first turn off power remove capacitor short capacitor out with a screw driver test it a bad capacitor needle wont move good one needle will read resistance then go back down to 0 if the ... Air Conditioners

Amana PTH073B25AM has no control and the PCB display will not light up or display temp. I have checked and verified Line voltage @ 240vac and control voltage to the PCB to be 24vac. The unit was bought 2nd hand but out of the box. does it have a defective PCB00111 or pushbutton pad and ribbon cable.Is there any checks I can do ther than the basic incoming voltage. Thanks


If you are able to open the side of the Case that supports the Pc board, and get a flashlight, there is a Fuse that is usually connected inside that area. Of course make sure the power is off before looking.\015\012\015\012Good Luck! ... Amana PTH073B25AJ Heat Pump,7000BTU, 230V, 2.5KW PTAC Air Conditioner

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Problem in Samsung split AC indoor unit Model AS24WA. Front panel display does not work. Samsung technicians changed both PCB's - diaplay PCB and dc power generating PCB that connects to mains and display PCB. Checked temperature sensors too. Problem is not solved. Any solution ?


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I too have a Duo Therm p/n 59516.331 that quit cooling. The compressor seems to be running but the high pressure line is barely warm. Checked the 6 pin output connector on the conrol box using a load test lamp. Don't have a way to check the capacitors short of replacing them. Likewise, can't check the freon without installing valves. I don't see any appearent oil that might indicate a leak. what is the most common failure on these units?


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Hi; Need more info. How old is the equipment,look on the outside unit data plate it will give the built date usually in the top right corner. Also heat pumps can run with a faulty defrost board. I would check for control voltage at the secondary side ... Ruud UBHC Air Conditioner

The electric heat kit for my amana air handler is not coming on. I am looking for simple checks that a I can perform to see if it is something simple. Primary Power is fine. I am looking for direction on what to check next.


Hi, As you posted, it would seem that the issue is limited now to just the:\015\012\015\012temperature limit (TL), test is continuity, it is a thermally activated fuse;\015\012 ... Amana Air Conditioners

Quietmaster A/C displaying E2 error code waited thirty min plugged in unit and F2 appears, no power I have completed the following: -checked breaker -checked outlet -cleaned filters -vacuumed coils -professional installation unit approx 7 years old.


Code F2Error detail L3 open phase detection.Correct it. ... Friedrich QuietMaster Electronic SS12J30D Air Conditioner

Vulcan eco 120 stoped working, checked fault codes and it said hot serface igntier. i changed that and tryed operation, unit still dose not light. when i press reset fault codes say failure to light, but sometims it also says slow closung gas valve. how can i fix it?


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Our York P4HUB12N08001A furnace has an A/C unit installed and we are running it in cool mode for the summer. Yesterday, my wife noticed a repeated hum from the furnace, and the house was 4 degrees warmer than it should be. She said that it would hum a couple minutes, turn off, then repeat a little later. I told her to shut it off, and I'd look at it when I got home. With the two covers off the furnace, I returned power to it, then pressed the safety switch so I could see everything happening. Th


A fan capacitor can be bad 'without' showing any visible defects - so - I would 'First" try a new capacitor, be sure to take the old one (after you've marked the wires for easy re-wiring) and get an exact replacement.\015\012\015\012Howev ... Air Conditioners

I purchased an evaporative ducted air conditioner that has just come out of warranty.I have had problems with this unit and installation every summer.They have repaired all the faults as they have occured. This summer i have had a repeat of a fault that occured last year.The company came and repaired it . The company did not inform me that the unit was out of warrenty and sent me a bill for $234.75c.Am i entitled to pay this account


That is shoddy business they should have informed you how much the estimated repair was going to be. I would call the company and talk to them about the way the do business and ask them for a break on the bill. Being a heating and air conditioning s ... Air Conditioners

NOT COOLING I AM HAVING A PROBLEM WITH THE UNIT. I HAVE WARM AIR BLOWING INSIDE, BUT WHEN I GO OUTSIDE TO CHECK THE UNIT THE FAN ON THE UNIT IS NOT RUNNING. I CHECKED THE BREAKER TO SEE IF IT WAS TRIPPED, BUT IT WAS FINE. I WENT BACK TO THE UNIT AND GOT REAL CLOSE TO IT. I CAN HEAR A LOW HUM NOISE AS IF POWER IS GOING TO IT, BUT THE FAN ON THE UNIT IS NOT TURNING. I PLACED MY HAND ON THE TOP CENTER OF THE UNIT, AND IT WAS REAL WARM. I DON'T KNOW WHAT THE PROBLEM IS. NEED HELP


A/c unit refrigerant charge is possibly low due to leakage, call a a/c engineer ! ... Air Conditioners

Ruud Achiever 90 Plus - furnace won't ignite. Getting open pressure switch error code (2 blinks). I can see into the outside end of the exhaust pipe and it looks clear. There is condensation but I don't believe any puddling in the pipe and I have checked the drainage at the furnace. Is there an easy way to determine if the pressure switch might be bad? I have blown into the rubber tube and the switch is clicking. Anything else to check? Thanks!


Jump out the switch as it first starts then take the jumper off as it ignites. If it starts, its the switch. If not, its the circuit board. ... Ruud UBHC Air Conditioner

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