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Window Air conditioner not working. George Becker 06-07-2007
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Posted by George Becker on June 7, 2007, 6:45 pm
I have a 9100 btu window ac which does not cool. Air from the duct is room
temp. I checked amps and watts using a Kill-a-watt meter. Specs say 7.3 amps
and 880 watts. I measure 3.3 amps and 272 watts. I used the same meter on a
5600 btu ac that we have in another room. Its specs are 4.9 amps and 510
watts. I measure 4.4 amps and 495 watts. This implies the meter is ok.
Does this low power draw in the 9100 btu unit indicate loss of freon (is the
compressor maybe running but not compressing anything?)



Posted by Joe on June 7, 2007, 9:31 pm
> I have a 9100 btu window ac which does not cool. Air from the duct is room
> temp. I checked amps and watts using a Kill-a-watt meter. Specs say 7.3 amps
> and 880 watts. I measure 3.3 amps and 272 watts. I used the same meter on a
> 5600 btu ac that we have in another room. Its specs are 4.9 amps and 510
> watts. I measure 4.4 amps and 495 watts. This implies the meter is ok.
> Does this low power draw in the 9100 btu unit indicate loss of freon (is the
> compressor maybe running but not compressing anything?)

I'd bet on your reading being the blower fan draw. The missing amps
likely are the compressor motor. Dig around in the compressor control
circuitry for a possible component problem. Good luck.

Joe


Posted by Sev on June 7, 2007, 10:19 pm
>
> > I have a 9100 btu window ac which does not cool. Air from the duct is room
> > temp. I checked amps and watts using a Kill-a-watt meter. Specs say 7.3 amps
> > and 880 watts. I measure 3.3 amps and 272 watts. I used the same meter on a
> > 5600 btu ac that we have in another room. Its specs are 4.9 amps and 510
> > watts. I measure 4.4 amps and 495 watts. This implies the meter is ok.
> > Does this low power draw in the 9100 btu unit indicate loss of freon (is the
> > compressor maybe running but not compressing anything?)
>
> I'd bet on your reading being the blower fan draw. The missing amps
> likely are the compressor motor. Dig around in the compressor control
> circuitry for a possible component problem. Good luck.
>
> Joe

Could be start capacitor- I have an older one which did this last
year, still sitting in my garage waiting for me to decide to fix or
chuck...


Posted by Stormin Mormon on June 7, 2007, 10:27 pm
If you can hear the compressor running, then your readings
probably do indicate low on freon. Fan alone is probably 100
watts or so.

--

Christopher A. Young
You can't shout down a troll.
You have to starve them.
.

: I have a 9100 btu window ac which does not cool. Air from the
duct is room
: temp. I checked amps and watts using a Kill-a-watt meter. Specs
say 7.3 amps
: and 880 watts. I measure 3.3 amps and 272 watts. I used the
same meter on a
: 5600 btu ac that we have in another room. Its specs are 4.9
amps and 510
: watts. I measure 4.4 amps and 495 watts. This implies the meter
is ok.
: Does this low power draw in the 9100 btu unit indicate loss of
freon (is the
: compressor maybe running but not compressing anything?)
:
:



Posted by Edwin Pawlowski on June 7, 2007, 10:43 pm

>I have a 9100 btu window ac which does not cool. Air from the duct is room
>temp. I checked amps and watts using a Kill-a-watt meter. Specs say 7.3
>amps and 880 watts. I measure 3.3 amps and 272 watts. I used the same meter
>on a 5600 btu ac that we have in another room. Its specs are 4.9 amps and
>510 watts. I measure 4.4 amps and 495 watts. This implies the meter is ok.
> Does this low power draw in the 9100 btu unit indicate loss of freon (is
> the compressor maybe running but not compressing anything?)

Sounds like the compressor is not running. You should be able to hear it
kick in when you turn the control from "fan" to "cool".

It could be a variety of things. If the Freon leaked out, it probably has a
safety to prevent it from starting. Could be the thermostat, the switch,
could be a capacitor. If the thermostat is sticking, simply turning the
know a couple of times may fix it. Anything else requires opening the unit
and checking stuff with a meter.



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