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Replaced switch but circuit breaker trips on start up ! Mowermm600

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Your circuit breaker will trip because of two main reasons:

  • Electrical power point circuit is overloaded (too many appliances active on the same power point circuit)
  • Power Lawn mower has become unsafe as your active live is able to reach your earth connection (e.g. short-circuit). Make sure that you have correctly reconnect ALL your power leads wires (check that the Active and Neutral wires have not been transpose). With power off/device unplug, use a multimeter on resistance range and verify that your active lead pin is not showing a reading against the Earth (middle) pin when the mower switch is turn on or off! There should not be any resistance reading between the Earth and Neutral (opposite pin to Active) pins either!
Hope it helps.

Posted on Aug 01, 2010

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At end of washing machine fast spin the machine trips my electricity circuit and TV switches off along with other appliances. Can you tell me what's wrong with machine?


This tells me that you do not have an overload situation. There is a short, and/or one or more faulty breakers possibly including the main breaker.
Even an experienced DIY'er with electrical knowledge would probably contact an electrician at this point. If there is a potential problem with the main breaker then it is best to get professional help.

Why is my electric circuit breaker tripping

Common Causes for Tripped Circuit Breakers

Why Does My Circuit Breaker Keep Tripping

Jul 02, 2015 | Washing Machines

1 Answer

Our 7788F keeps going into a ground fault condition. Need help troubleshooting. John


Ground Fault ???
Troubleshooting Ground Fault

Troubleshooting a ground fault circuit interrupt, or GFI, breaker is pretty straightforward. Troubleshooting the circuit itself can be quite time-consuming.
The GFI breaker is designed with a test button incorporated into the breaker itself.
Pushing the test button should trip the breaker.
On GFI-style breakers the neutral wire going into the house's outlets is connected to the breaker's neutral connector, the white neutral that comes out of the breaker is connected to the neutral bus in the panel, isolating the neutral bus from the neutral wire going into the house.
The test button actually shorts the neutral wire feeding the circuit to the neutral bus in the electrical panel creating a ground fault that should trip the breaker.
It is considered a ground fault because the neutral bus in the main electrical panel is actually connected to the ground bus through the panel's metal casing. What to do if the test button isn't tripping the breaker
1
Push the test button on the GFI breaker.
The breaker should trip.
If the breaker does not trip, then it may be that the breaker has already tripped and just looks like it's on.
The position of the switch may only move slightly from the on position towards the off position when tripped.

2
Push the switch on the GFI breaker all of the way toward the off position.
It may take some force to get the breaker to reset.
Turn the breaker back to the on position.
When the breaker has been reset properly you should feel some resistance when pushing the switch back on.



3 Push the test button again and the breaker should trip.
If the breaker still doesn't trip then you should test for power at the screw connections inside of the electrical panel.
Remove the screw that holds the dead front covering the breaker's connections.
Remove the dead front cover.

4
Test for power with your voltmeter set on AC volts on the highest scale.
For a single pole GFI breaker, touch the black lead from the tester to the silver screw on the GFI breaker and touch the red lead from the tester to the brass screw on the GFI breaker.
You should see 110 volts on the tester. If voltage is seen but the test button won't trip the breaker, then the breaker is bad and should be replaced.

5
Test for power on a two pole breaker by touching the red voltmeter lead to one of screws with a black or red wire connected to it.
Touch the black lead to the other screw with a black or red wire connected to it.
You should read 220 volts or close to it on your voltmeter.
If you read voltage and the test button won't trip, the breaker is bad and needs to be replaced.

What to do if the breaker won't reset and keeps tripping when turned on
6
Unplug everything that is plugged into any of the outlets on the circuit in question.
Try resetting the breaker again by pushing the switch all the way to the off position and then turning it back to the on position.
If it won't reset and trips when the breaker's switch hits the on position, it could be a bad breaker or a problem in the circuit itself.
7
Use your straight-tipped screwdriver to loosen the brass connection screw or screws on the GFI breaker.
Pull the black hot wire, or wires, out of the breaker's connectors.
Loosen the silver screw the white wire is connected to and remove it from the GFI breaker.

8
Push the switch all the way to the off position.
Turn the switch back to the on position.
If the breaker still won't reset, then the problem is the breaker itself and it should be replaced with a new one of the same size, brand and model.
If the breaker resets normally and the test button trips the breaker when pushed, the problem is in the circuit itself and an electrician should be called to find your ground fault.

9
Reconnect the black wire, or wires, to the brass screws on the GFI breaker.
Reconnect the white wire to the silver screw on the GFI breaker.

10
Replace the dead front cover into the breaker panel.
Install the screw or screws that hold the dead front in place.



http://www.hilo-electric.com/blank?pageid=63

Aug 14, 2013 | Computers & Internet

1 Answer

Chainsaw trips circuit breaker


Does the circuit breaker trip before squeezing the switch? Check the power cord - there's a short

Does the chain move freely before squeezing the switch? If not, and the circuit breaker trips while squeezing the switch, your chain is too tight.

Bottom line - tell us when the breaker trips and what you were doing when it tripped.

Dec 07, 2012 | Craftsman 16" Electric Chainsaw Chain Saw...

1 Answer

Microwave keeps tripping circuit breaker


Chances are you have a shorted "monitor" interlock switch, or its mount is broken.

See this door switch help file.


You can find links to helpful exploded view diagrams and part ordering help here.



To give you more specific help, we would need the brand name and

full model number of your microwave.


We're
happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Aug 30, 2012 | Microwave Ovens

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

3 Answers

Switch stuck in trip mode


The reason why the breaker stays tripped is a result of a direct short. Unplug every electrical device plugged into an outlet in both rooms and try the breaker. If it stays on, individually start plugging in each device until the breaker trips, that is the defective device. If the breaker stays tripped, start checking wall outlets for short circuits with an ohm meter. If you did not find a short, check your hard wired lamps and appliances for shorts. If you did not find any shorts the only other problem is a shorted pair of wires in the wall or ceiling. You will need to disconnect any hard wired lamps and appliances and check for shorts between individual pairs of hot (black) and neutral (white) then hot and ground. I have a short circuit finder, but you do not need one because the technology is not perfect and you may have to manually check for shorts with a meter anyway which never lies.

Jun 25, 2010 | Square D Co. HOM130 Circuit Breaker

2 Answers

Blows circuit breaker


sounds as if there is a short in the starting switch but there is a short somewhere in the controls good luck

Dave

Sep 15, 2009 | Amana ALE331RAW Gas Dryer

1 Answer

Dishwasher pops the circuit breaker


Hi,

Here is a tip that I wrote that will help you ti find out why the circuitbreaker is tripping.

Circuit Breaker Keeps Tripping
heatman101

Jul 01, 2009 | Whirlpool GU1100XTLB / GU1100XTLQ /...

2 Answers

My relay switch keeps tripping and resetting when the key is on, resulting in a draw on the battery and funny running until the battery is dead. I replaced the key ignition but the problem is still there.


You have a dead short somewhere in your wiring. You need to track down the short to resolve this issue. Start by determining which breaker keeps tripping. If it is the main breaker the fault will most likely be in the wires coming from the ignition switch the rest of the breakers. If it is the breaker with gray wire from the ignition switch it will be in the ignition/starting wiring. If it is the breaker that is connected to the gray wire from the ignition switch through a brass bridge bar the short will be found in the horn, turn signal, warning lights, or brake light circuits. If it is the breaker that is connected to the green wire ignition switch it will be in the running lights circuit.

Jun 15, 2009 | 1979 Harley Davidson XLH 1000 Sportster

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