Hampton Bay window A/C compressor runs when unit is turned off.
We have a Model HBLG1400E window unit A/C and it continues to run even when the power switch is turned off. From the sound and due to the fact that there is no air blowing, I assume it is the compressor that is continuing to run. It does turn off if I unplug it but immediately starts again (even though all lights and fan are off) when plugged back in. Weeks ago this happened and we left it off for a day and it started working normally again. Leaving it off for a few hours is not sufficient though.
Thanks in advance for any help you can give me about this.
Re: Hampton Bay window A/C compressor runs when unit is...
I took the unit apart and found several relays in a slide-out section behind the controls. My guess is that the compressor is controlled by one of these relays and that the contacts may have fused together or may have gotten something on them (e.g. water) which caused a low enough resistance to fool another relay further in the chain. They were soldered in though, so it would not have been easy to test for which one was the culprit. It's not a very safe design. I decided to replace the A/C rather than attempt to find which relay was bad.
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Sounds like a bad thermal overload which opens when the compresssor gets too hot. After the compressor cools down it closes and does not re-open unyil the compressor gets hot again. Check your wiring diagram if you have one and look for a symbol like two question marks on top of one another or the letters O/L. That seems to be what is occurring here.
For window mount units, the unit must slope towards the outside. Water is a normal byproduct of refrigeration, like condensation on a glass of ice water.... Volume of water is not an issue, water dripping inside is. All water is intended to go outside, via unit slope.
The "dry mode" dehumidifies the air. This is useful when you do not need to cool the air but the relative humidity is higher than you want to have inside. You get the advantage of bringing in the fresh air without increasing the indoor humidity.
I hope this helps.
Cindy Wells (this applies to all air conditioners with a dry mode)
No,it will not,the ac compressor has to be setting the correct way,and the ac line on top of the compressor has to drip,to help cool the compressor,you will have to make the window wider to use this unit,if this was at all helpful,please rate,and thank you.
turn your entire system off and let it cool down.
turn everything up, after 30-60 minutes.
If compressor and fan running, on outside unit, check freon
level. If freon level is low, charge it. If freon is too low, crompressor
and fan want turn on. Call tech to charge system.
If fan is not running, check capacitor for fan. Unplug it, after
you tag wiring and terminal properly. Bring capacitor to local appliance
parts store, If it is bad, replace new capacitor of same specification.
This is main culprit (should cost you between $10-40)
Also, have a contact switch check. Usually, it is black.
If fan is still not working replace fan. (Usually, $80-100)
Last resort is to replace compressor.
Check your filters first and make sure the fan is running. These will cause it to freeze up also. A window unit can be recharged, but depending on what has to be done it can cost as much as a new unit. Check around for prices on service calls.
Not common, keep in mind compositor work almost like a fuse but restrict certain amount of voltage to flow through, power surge or unit overload from AC compressor kicking on and off can cause the resistor to fail; its parts of electronics working. My AC unit trip my main fuse box once in the great while, nothing surprises me when it come to electronics.
The fan alone on an A/C unit draws alot less amps than a fan and compressor. I would guess that your fan and compressor draw around 15 amps when bnoth are on. The unit should be on its own breaker or fuse (whichever you have. As things get old, like fans and compressors, they wear out and will draw more amps.
I see you have 2 choices,:
1) place the A/C on its own circuit with nothing else on it. This may buy you some time until you can replace the unit.
2) Buy a new A/C as the newer units are more energy efficient, and last longer.