47065 won't come on again after shutting it off

by Louis Williams
(Coatesville, Pennsylvania)

Central Pneumatic 47065 compressor

Central Pneumatic 47065 compressor

Central Pneumatic 47065 compressor
Side view of Central Pneumatic 47065 compressor

Mr. Bill,

I turned my 47065 air compressor on by pulling up the red button and let it fill to 100psi before I pushed the red button down to shut it off.

After I used about 20psi, I pulled the red button up again for more air but the compressor didn't come on.

Why didn't the air compressor come back on?

Thanks.

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Sep 24, 2014
The 47065 Air Compressor Works
by: Louis Williams

Bill,
I plugged the air compressor in a few days later and it worked like it usually did when I first bought it years ago. When it stays plugged into an outlet while I'm using it, the compressor automatically replaces the air I used to retain a certain amount of psi in the tank. I must not have used enough air for it to do that. I always drain the air completely out of the tank each time I'm finished using it for the day. Nevertheless, everything is running normal again.
Thanks for your knowledge.

Sep 22, 2014
Won't come on
by: Bill

The red button, sitting on top of the pressure switch, is a somewhat redundant item, given that the air compressor should cut in at the low pressure setting and cut out at the high.

If you leave the compressor plugged in, the ON/OFF switch, if it's OFF, will stop the compressor from starting automatically if there is a leak, wasting both energy and wear, and eliminating the noisy compressor start up in the middle of the night if you have it in the house somewhere.

You need to use a multi-meter to check to see if the ON/OFF button is actually working. You'll need to remove the pressure switch cover, and remembering that all wires inside are considered live, check to see if the ON/OFF switch is actually allowing power to flow through it when it is on. It sounds as though this switch has failed on your 47065.

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