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Astra Mega II

Machine keeps melting out the main power switch. Heating Element? also trips 20 amp breaker, doesn't trip the 30 amp @ 230 volts @ 4500 watts

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Disconect the heatind element or elements on the live side and see if it still trips the 20 amp breaker. try that first.

Posted on Jan 03, 2010

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Frigidaire stove model CFEF372EC3 Ser #NF60720192


Things to check : Thermostat, heating element and the circuit breaker for the stove at the power panel. If the stove has lights and the clock works, there is a 100 % chance the circuit breaker is at fault. There are 2 breakers with joined trip handles. One of those breakers has tripped without tripping the other which stops 20 volts but not 120 volts that the clock and light run off of. You can use a multimeter to check the element for continuity. If there is continuity then check for the presence of voltage at the element terminals. None indicates a bad thermostat.

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How to replace a fuse in a hotpoint


Check the circuit breaker for the plug the dryer uses. Open your house power panel and locate the breaker for the dryer. It will be 2 breakers connected together by a metal pin so when one trips it will trip the other. This shuts off 240 volts. Sometimes only one breaker will trip without tripping the other one. This leaves the dryer with 115 volts to work the rest of the machine but won't power the heating element. Replacing the breaker will fix the dryer.

Nov 17, 2014 | Hotpoint Dryers

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My astra espresso mega 2 s boiler pressure is 0.


It is possible that the safety thermostat on the boiler has tripped. Reset safety thermostat and turn machine on. If reset is not tripped then it could be the element or the pressure stat are damaged.

Aug 01, 2014 | Astra Mega II Espresso Machine

1 Answer

Astra mega 2 tripping the main breaker


i would start by taking a ohme meter check the on ,off switch,if no problem ,go to the heating element check it ,if it ohmes out ok ,,then you have a dead short in the wiring somewhere.

Dec 03, 2013 | Astra Mega II Espresso Machine

1 Answer

Loud pop from Range, stove top still works


The pop was a shorted wire.
The short drew sudden over-amp at breaker.
Amps = heat.
Breaker senses heat and trips before wire to oven is damaged, and before the arcing short can cause a fire.
Was the short at the element?
I don't know, but sounds like the circuit board was damaged.
Of course they are putting electronics inside all appliances today instead of old mechanical dial, because it's cheaper or so much prettier... but new appliances more vulnerable to surge, and other electrical failures. Which is true for all 240V appliances not protected by whole house surge protector.
To test element.
Remove element.
Use a continuity tester across the element connections.
If there is continuity, then the element is probably functional.
Use a multimeter across same element, set multimeter to read ohms.
240 Volt, 3500 watt element should be about 16 ohms.
4500 watt about 12-13 ohms
Volts squared divided by watts = ohms
57,600 divided by 4500 watt = 12.8 ohms
http://waterheatertimer.org/images/ohm-reading-for-emements.jpg
http://waterheatertimer.org/See-inside-main-breaker-box.html

I would guess that the short fried the circuit board, but there is a also a shorted wire somewhere that is still bare and dangerous while power is ON and you are touching oven or stove, unless 240V breaker is GFCI or arc fault, which probably not. Especially dangerous if you are moving stuff around trying to find problem while power is ON.
Gene
h

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Nov 19, 2013 | Frigidaire FEF366 Electric Kitchen Range

1 Answer

E1f50rd045v


For residential water heater, 30 amp is best... but must have 10 gauge wire.
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html#trip-breaker
http://waterheatertimer.org/Color-codewire.html
If you have 12 gauge wire, then use 20 amp breaker and install 3800 watt elements in place of 4500 watt elements
http://waterheatertimer.org/How-to-replace-water-heater-element.html
Add a comment and say which size wire you have

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

May 16, 2013 | Water Heaters

1 Answer

Electric Water Heater blows fuse, but only every few years


Your residential water heater is not 9000 watts. Or it would blow the fuse every day and melt the wire. Instead, you have dual-element non-simultaneous 4500 watt water heater.
http://waterhatertimer.org/How-it-works.html
http://waterheatertimer.org/Figure-Volts-Amps-Watts-for-water-heater.html
Look at label for 'total connected watts'
http://waterheatertimer.org/images/Whirlpool-energy-smart-watt-rating-IMG_2600.jpg
25 amp breaker or fuse and 10 gauge wire is minimum acceptable for 4500 watt water heater.
http://waterheatertimer.org/Color-code-wire.html
Troubleshoot blowing breaker or fuse:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html#trip-breaker
Why does it blow fuse once each year?? I don't know.
Fuses and breakers trip when overheating occurs on wire.
Each fuse or breaker is rated for heat, and over time, it will get hot and then cool and then get hot again ... this action weakens fuse or breaker.
To solve problem: install 3500 watt elements (and clean sediment out of tank). Wire will run cooler, and fuse will last longer. Whole fuse box will demand less power, and run cooler, and will last longer as a result. So there is less stress on electric service panel.
http://waterheatertimer.org/How-to-replace-water-heater-element.html
3500 watt element will heat water to same temperature, but takes longer. For example: 4500 watt heats 21 gallons per hour, while 3500 watt heats 17 gallons per hour.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Apr 28, 2013 | Water Heaters

1 Answer

Not drying clothes


First check your breakers in the main box. The dryer lights and drum will spin with 110 volts only the heating element needs 220 volt if one of the breakers or fuses are tripped it will not heat. Trip the breakers off then turn them back on and check it. If it still wont heat check the heating element and wires leading to it as well as the 110/ 220 volt connector it may be bad or have a wire off, if all is ok then the heating element is probably bad and a new one needs put on.

Feb 15, 2013 | Samsung DV328AEW Electric Dryers

1 Answer

No lights upstaires circuit breaker keeps tripping


Jan 2013
1) Move wire to another same-size circuit breaker to eliminate bad circuit breaker as suspect.
Do NOT increase size of breaker or it will cause fire.
http://waterheatertimer.org/How-to-replace-circuit-breaker.html
http://waterheatertimer.org/Troubleshoot-household-electricity.html

2) Put hand on each appliance and outlet to see which ones are warm. Outlet should never be warm or hot. Replace outlet. Inspect wires for loose and burned connections.

3) If the breaker is good, then add up total watts being used by checking watt rating on each device. 100 watt light bulb is 100 watts. Big screen TV has a label that shows 300 to 500 watts. Computer has label. Space heater has label showing 1500 watts. Iron has a watt rating label. Take total watts and divide by 110Volts and this will give amp load. Total watts used = 2000 and then divide 2000 by 110 volts = 18.8 amps
Compare amp load with circuit breaker.
20 amp circuit breaker has 80% safe maximum, or 16 amps.
If amp load is 18.8 amps, then 20 amp breaker is starting to get hot, and weak breaker will start tripping.
If amp load is 18.8 amps, and breaker is 15 amps, then you are overloaded and breaker is feeling the heat, and tripping because of heat.
Solution is to reduce amp load.

4) If you have short circuit, that can also trip breaker.
Unplug everything and then plug things back in slowly to see which plug or appliance is causing the problem.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Jan 18, 2013 | Electrical Supplies

1 Answer

How do i know when 220 circuit breakers are bad


Always match breaker and wire size:
http://waterheatertimer.org/Color-codewire.html
http://waterheatertimer.org/How-to-replace-circuit-breaker.html

Feel if breaker is getting warm.
Listen for crackling sound.
Breaker is tripping.
Move wires to another same-size circuit breaker and see if problem continues.

Check watt or amp load on breaker.
For example water heater label shows 4500 watt non-simultaneous.
4500 watts divided by 240 volts = 18.75 amps.
You might think 20 amp breaker was good in this case.
However electricians use 80% safe maximum.
20 amp breaker x 80% safe max = 16 amps.
Water heater is 18.75 amps, so install 30 amp breaker.
30 amp breaker uses 10 gauge wire.
This means wire to breaker will run cool and not get hot, so breaker lasts longer, and there is more efficiency.
Using 80% safe maximum rule protects home, reduces heat wear on breakers and breaker box so everything lasts longer.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Nov 18, 2012 | Dryers

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