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Bosch Washing Machine

We replaced the pump, and it has been working fine for about a month. Now the machine is tripping all the house electrics as soon as it is switched on.

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  • Anonymous Mar 13, 2014

    when using washing machine it trips the electrical safety switch



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A washer should not be plugged into a gfci device. It should use a dedicated circuit just for the washer off a standard duty circuit breaker or time delay fusetron fuse. In most washers that are top loading, a diaphragm switch operates the start circuitry for the washer [ timer ] as water goes into the tub, a positive pressure acts on the diaphragm and closes a set of contacts connected to the timer that operates the several contacts for the motor and transmission. the only place there might be power is on the spade connectors on the motor, the timer, the water switch, the door lid switch. Now, if the motor is sooo old that the insulation breaks down, it will develop a fault to ground and charge the shell of the appliance to 120 volts. This is a hazard to you the user. If you have the technical knowledge get a meter and check the motor leads to equipment ground. If the meter deflects full scale on the RX1 setting you have a problem with a winding to ground short. Replace the motor. Another problem is you might have a frozen bearing which causes the motor current to shoot up, tripping a breaker or blowing a fuse. remove any belts and try spinning the motor pulley by hand to see if it is bound up. try rotating the pulley on the transmission to see IF it is bound up, do the same with the pump. if any of these things are difficult to rotate it may be the prime source of your problem. change the pump, replace the transmission bearing or work inside the transmission may be necessary. motor bearings are press fitted on the motor shaft.

Posted on Sep 15, 2007

    THOMAS MIERZWA Sep 15, 2007

    If there is a start capacitor on the motor, a shorted capacitor will blow the fuse or breaker - replace this



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there is a few things that will do this to your electics 1st & formost if your trip switch is tripping off remember this is a safty device to prevent fire so ignoring the problem & switching the power back on to try again could run the risk of fire!!

when the power trips you will need to know at what point in the wash this happens if its when the machine is emptying then it would be a pump issue if the machine is emptying no problem then the issue is more likely to be the motor either of which would need to be replaced if you are having these problems.

on rare ocasions you can spring a leak & if water gets on the electrics this will also trip the power but this is 1 of the least likely posabilatys.. rest assured if the power is tripping off then your home electrics are working fine & to confirm all sockets run from 1 main fuse all lights run from a second main fuse then there is a few other bits that run on there on fuses too i.e. cooker, power shower etc.. remember always get a qualified electrician to work on your electrics to ensure the job is carried out correctly

Hope this helps

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