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Air Compressor sometimes reaches 50psi and kicks circuit breaker. The motor beld vibrates before kicking breaker off.


Hi Bobby:
Sounds like the load on the circuit exceeds the capacity of the breaker. This happens because as the pressure builds, the resistance of the compressor increases. When it reaches 50 psi (in your circumstance) the circuit starts to draw more amps than the breaker is rated for. so it trips.
Solution?
- Find a circuit with a higher rating, or
- Decrease the diameter of the drive pulley. This will give a better mechanical advantage and possibly solve the problem.
Hope this helps

Sep 07, 2015 | Heating & Cooling

2 Answers

Compressor builds to 100 lb pressure. after a few minutes use, it comes on again to begin pressure build up. next cycle, it trips circuit breaker in house.


You didn't provide all pertinent info available to you. Lets take what we have; and, consider why your compressor is overloading the circuit breaker. Points to ponder:

  1. Not knowing the exact model (not series) I don't know what the amperage pull is for your "extreme" compressor or the circuit breaker's rating. A 25 amp compressor connected to a 25 amp breaker could be an issue. Campbell Hausfeld's support pages are crashing so I can't check the possabilites.

  2. Are you using a lightweight extension cord? The lower the rating of an extension cord the higher the amp pull on the breaker. If you eliminate the extension cord does the problem go away? Ohm's Law applies. <http://www.ohmslawcalculator.com/ohms-law-calculator>

  3. What else is on this breaker? Is there other high-amp equipment in another room (water cooler, window air-conditioner, portable electric heater, etc.) pulling from this same circuit breaker.

  4. Is the circuit breaker not performing to specification? I've seen failing breakers trip early.

    First, check the owner's manual for power requirements. Next step, use no extension cord; and, insure nothing else is pulling power on that breaker. Then, use a different breaker and see if the problem follows the compressor. If all else checks out than I'd consider binding in the compressor causing the amp pull to be too high.

    Good Luck!

Mar 29, 2015 | Campbell Hausfeld Extreme Contractor...

1 Answer

Aircon tripps circuit breaker


Usually a short in the system or its drawing to much power for the breaker to handle. most common cause is a bad capacitor, Locked up compressor or compressor has gone to ground.

Aug 30, 2014 | Dometic Rooftop RV Air Conditioner

2 Answers

What causes caravan aircon to trip circuit breaker on start up


My first guess would be that the compressor has seized. If not the compressor seizing, then I would look for a short to ground in the wiring. If you pull the cover of the AC you will most likely find that the compressor motor is plugged into a receptacle. If you can unplug or otherwise disconnect the compressor motor from its' power source and activate the thermostat to run and the circuit breaker does not trip, it is the compressor motor. If the circuit breaker trips, then it's in the wiring.

Aug 30, 2014 | Dometic Rooftop RV Air Conditioner

1 Answer

Compressor trips breaker on startup or quickly after


The breaker may be too small. Check the amperage requirements against the breaker size.

May 31, 2012 | Craftsman 33 Gallon Vertical Portable Air...

1 Answer

Compressor blow circuit breaker when turned on.


Yep and your compressor has given up the ghost it shouds like.. do not continue to reset it call a tech on this .. you are adding to the contamination of your system and makeing really hard to clean up internally. In the future if you reset the breaker and it trips right away just stop right there and call a tech.

Jul 13, 2011 | Carrier 38BRC060 Air Conditioner

1 Answer

I have a Quick Cool (59516.501) which just started tripping the 20 A circuit breaker. I replaced the circuit breaker. Unit still trips the circuit breaker.


you will need to access the unit and look for burnt/shorted wires on/at compressor. if not then the compressor is locked down/shorted and will need replaced Tim

May 29, 2011 | Dometic Rooftop RV Air Conditioner

1 Answer

I have a Campbell Hausfeld oil type direct drive 7 gallon compressor. It often works fine but it frequently locks up until the internal circuit breaker cuts off the electricity to the motor. When the...


In our shop we have found the conditions you describe are almost always attributable to the power supply. First, never run a compressor on an extension cord, you are always better off running longer air lines. If you absolutely have to run an extension cord use a least a 12 guage cord no longer than 25 feet. If possible plug the compressor in as close to the circuit box as possible. Lastly the circuit the compressor is plugged into should be rated at least 15 amps, 20 amps is recommended for most compressors. Low amp lines cause the motor to overheat trying to get enough power and usually blow the circuit breaker at the motor and not at the circuit breaker. Lastly, use only compressor oil in the pump and make sure it's not overfull. This will also cause the motor to work harder and trip the circuit breaker.

Dec 17, 2010 | Campbell Hausfeld 2 - Gallon Direct Drive...

1 Answer

The compressor fills and when it dipenses air and tries to refill it blows a fuse.


the outlet ur plugged into the amps are to low when compressor tries to restart under load which draws more power than what the circuit breaker is rated and or their are other things plugged in on same circuit drawing power and causing the higher amp draw-- plug into some other circuit preferably with nothing else plugged into the circuit or with a higher amp [20amp]breaker

Jan 22, 2010 | Campbell Hausfeld No.FP2028 Gal Pancake...

2 Answers

My a/c will run and cool great but keeps kicking the 20 amp circuit breaker even when no other appliance is running.


A 20 amp circuit breaker should be sufficient enough to do the job unless the breaker itself is too old, or if the connection screws on the breaker are not tight enough.

Jul 25, 2009 | Dometic Rooftop RV Air Conditioner

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