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check the capacitor and its value and type. i havent see the equipment but knows about capacitors etc it usually comes in values like 0.01 2.0022 and so on and higher value like 1 mfd to couple of thousand mfd.you shouls use the same value and the voltage for the replacement one has to be same or more in voltage since higher voltage is no harm but lower voltage will explode or burn in electrical appliances it is used as filters to block spark in the carbon or starting capacitor thich helps to run the motor if it is built to run with a starting capacitor like the one used in water pumps or electrical ceiling fans.
There is NO START capacitor on your unit. There is a RUN capacitor and one place said it is a 30 mfd / 5 mfd at 440 volt. These are an oil filled capacitor with both a 5 mfd section for the fan and a 30 mfd forthe compressor. Find a part number on it and search Ebay... that is where I got mine..
Normally a capacitor of rating 8-10 mfd /450 volt can be siufficient for the single phase motor and since you have not mentioned the capacity it is ideal to check on the old one after cleaning the dirt off with soap and water or with diesel oil. A hum on the motor will confirm that the capacitor is faulty and if the capacitor on applying direct AC( 230) does not pick up charge then it is faulty.
Could be the run capacitor is bad. Usually they bulge at the top where the connections are, but sometimes they are bad but appear to be fine physically. You would need a multimeter that reads microfarads to see if yours if good. Below is a link to the part in question. Yours should be rated at 50/5 mfd, 370 or 440 volts. 50/5 MFD 440 Volt Round Dual Run Capacitor
Hi, as long as the 40uf x 440 volts and 5uf x 440 volt capacitor are the same is what you are replacing, yes it will work. Don't replace this 40 uf x 440 volt with a 40 uf x 370 volt cap. Voltage and microfarads must be the same, brand name makes no difference or these numbers, only the uf and voltage. Must be a 40 uf x5 uf, 440 volt dual run cap. It will work if the unit you want to put it on calls for that cap. The comfortair is a 3 ton unit, just be sure it takes a 40x5x440 volt and it will be fine. Shastalaker7
If that model has no external power supply
then the supply is internal and some capacitors are failing. The problem will worsen until the display will not work at all. It's a
fairly common problem with that type of monitor. The capacitors are
cheap, and not too difficult to desolder and replace. The hardest part
sometimes is getting the darned thing open. I had just recently went through this process with an AL1917. Seems like there were four 470 mfd/25 volt and two 220 mfd/25volt. Be sure to use the hi-temp type caps (105 deg C) Hope this helps.