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Common Home fuses

I need the know the setting on my multimeter to test home fuses

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Continuity setting

Posted on Mar 31, 2014

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Posted on Jan 02, 2017

dontbother10
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SOURCE: what do you set the digital multimeter on to test

One end of the device or the circuit must be isolated. You can read contiuity through a separate component.
Lou

Posted on Mar 22, 2010

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I'm in need of a replacement fuse for a regent ht391 home theater system ?


Local electronics shops should stock most common fuses although I know those shops are getting harder to find. There is always Digi Key Electronics Electronic Components Distributor Since 1972

Sep 04, 2016 | home Audio Players & Recorders

Tip

How to check a defrost timer


<span>Directions for testing a refrigerator defrost timer.</span> <br /> <br /> <p>Before you begin to test your defrost timer, make sure you disconnect the appliance's power supply. The easiest way to do this is to unplug the unit from the wall. Alternatively, you could trip the appropriate switch in the circuit breaker panel, or you could remove the appropriate fuse from your home's fuse box. <br /> <p><b>Consult with an appliance repair technician if you do not feel you have the skill or the ability to successfully complete this repair.</b><br /> <ol> <li>Locate your defrost timer. It can be located behind the refrigerator's lower kickplate, in the refrigerator's control panel, or even behind the refrigerator on its back wall. Defrost timers almost always have four metallic terminals extending from the bottom. Once you have found your refrigerator's defrost timer, remove it for testing. </li><br /><br /> <li> Remove all the screws holding the timer and pull the timer carefully out of the refrigerator. Pull it out far enough so that you can disconnect its wires.Be sure to label the wires and note their location. Pull firmly on the wire's connectors to remove them. You may need to rock them back and forth a little to ease the motion. <br /></li><br /><br /> <li>Use a multimeter to test the timer for continuity. Set your multimeter to the R X 1 scale. Place one of the meter's leads on the common terminal. It should be labeled "3" or "C". If none of the terminals are labeled, you can locate the common terminal by determining which terminal coincides with the white wire in the connector plug. With one multimeter lead (probe) touching the common terminal, touch the other lead to the other three remaining terminals, one at a time. Testing the first pair should produce a reading of zero, or near zero, denoting continuity. The second pair may also result in a reading of zero or near zero. Testing the third pair of terminals should produce a reading of infinity. </li><br /><br /> <li>Find your refrigerator's timer switch and turn it in a clockwise motion until it clicks. Use your multimeter and test the terminals again in the same manner as in the preceding paragraph. In this test, one of the pairs of terminals should produce a reading of continuity. At least one pair, but maybe two, should produce a reading of infinity. One important note to keep in mind is that a pair of terminals that demonstrated continuity in the first test should now demonstrate infinity. Likewise, a pair of terminals that demonstrated infinity in the first test should now demonstrate continuity. </li><br /><br /> <li>If the test you conduct with your defrost timer does not produce these results, then you should replace the timer. </li><br /></ol>

on Mar 18, 2011 | Refrigerators

1 Answer

I have a Vision Fitness T9450 HRT everything works including the incline when i turn it on but the treadmill will not run, is this a motor problem? or is it a fuse? how can i check ?


Dear Sir:

Hello I hope that everything is o.k

Now I will help you, only thing is you need to know how to handle the DVOM(digital Voltimeter)


To use these instructions, you need to have a familiarity with electricity and a working knowledge of a voltage multimeter. With all of
these tests, USE EXTREME CAUTION!!! Never let the voltage ground directly to any part of the treadmill or your leads ground while you
are testing voltage.
To begin, set your volt meter to AC volts. We are going to trace the power from the wall outlet through the
treadmill to see where it ends.
With the treadmill unplugged, test the wall outlet. You should have from 115 to 125 VAC. Optimally, you will
have at least 120 VAC.
Follow the power leads from the power cord to the lead ends. With the treadmill unplugged, connect your
meter to the lead ends. Plug the treadmill in and check your reading. It should be the same as your reading
from the wall outlet.
Continue this process with the electrical system, following the leads, as they pass through, breakers, fuses,
and the like.
Where the power flow ends is where your problem is. Sometimes it will be in a bad connection, sometimes
it will be in a shorted breaker or blown fuse, at times it may be as simple as a safety switch not working
properly, or it may be a major problem with a component.
In some cases, components work in tandem (i.e.- a controller may need a signal from the console
computer to release voltage to the motor) so if you have a question concerning where voltage ends, email
us at doc@treadmilldoctor.com.
TESTING FUSES, BREAKERS, WIRING, AND SWITCHES
1) One of the most common problems with power outages is problems with fuses, breakers, wiring, or switches.
2) If your treadmill is equipped with a safety switch, set your volt meter to continuity. Touch your test leads together to make sure you
are getting a closed circuit. With the treadmill unplugged, back the leads off the safety switch, usually near the upper display computer.
With the safety key out, test the switch. It should be open. Push the safety key in. Your circuit should be closed. If this tests ok, move to
the next step.
3) While testing for voltage, you can unplug your treadmill and test the fuses, breakers, and wiring harnesses. Sometimes a breaker may
have shorted open and not tripped. Test these components individually. You want a closed circuit on all of them

instructions Things You'll Need
  • Digital multimeter or analog multimeter
  1. Using a digital multimeter
    • 1 Connect the test leads to the volt-ohmmeter. Plug the black test leads into the black jack marked "Com" or "Common" on the front of the meter. Plug the red test lead into the red jack marked "Volts/Ohms" on the front of the meter.
    • 2 Set the meter's function switch to "Ohms" and the range switch to the "R x 1" scale. If your digital multimeter is an auto ranging meter, you will not have a range switch. Instead, you'll have just a function switch because the meter will automatically select the right range for the quantity that you are measuring.
    • 3 Turn off the power and remove the fuse to be tested from the circuit. Never test a fuse for continuity while it is still connected to the circuit that it is used to protect. If the circuit still has voltage, the meter will be irreparably damaged. If the fuse is still in the circuit when tested it is possible to get a false indication that the fuse is good if the meter gets a completed circuit through other circuit components. To be safe, always remove the fuse from the circuit before testing it.
    • 4 Touch the black test probe to one end of the fuse and the red test probe to the other end of the fuse. It does not matter which probe you touch to which end because fuses are not polarized. You are checking to see if there is continuity through the fuse element. A reading of approximately 0.5 on a digital meter's LCD indicates a good fuse. Most digital meters read their own internal fuses resistance, hence 0.5 Ohms and not 0.00 Ohms. LCD readout of "O.L." indicates no continuity through the fuse. The fuse is bad and needs to be replaced

Thank you in advance, best regard. Blessing.

If you need additional Help, please contact me.

E.CUADRA
MANAGUA, NICARAGUA. C.A.

Sep 28, 2011 | Dmm Vision Fitness T9500 Treadmill

1 Answer

Dryer runs but does not heat.


Hi.

Check the thermal fuse. The fuse can be tested reading impedance.You can replace the fuse straight away, or you can first test it using a multimeter set on Ohms. If the multimeter reads Ohms infinity when you touch the fuse contacts with the probes, then the fuse is gone. A good fuse will read zero or low impedance.

If the fuse is OK, then you can have a defective thermostat.
In the same way you test the thermostats, thermistors or cutoff located in the heating group, near to fan and element. If they are OK, then they will be conductive at room temperature and will read zero Ohms. If they are bad they read open (infinity). You need to disconnect the part's contact to test properly.

The rest depends if the dryer is electric or gas.


On electric dryers you test the heating element. The heating element is tested in the same way. Set multimeter on impedance, disconnect element, and touch contacts with multimeter probes. If it reads open, then element is gone. A good element reading depends on the specific model. Most washer-dryers, including Whirlpool and Maytag read between 10 and 20 Ohms.


With gas appliances you need to test the ignitor, then coils and then the flame sensor. The ignitor is the most common cause for the problem. Heating coils problems are also common. The flame sensor does not fail very often.

Regards.

Ginko

Sep 06, 2011 | GE Dryers

1 Answer

Set dead


Hi,you can use the following instructions below to troubleshoot the receiver set that is dead.

Instructions



Turn the receiver off and disconnect the power cable from the wall and the back of your receiver.

Test the cable with a multimeter to verify that it is working properly and supplying the receiver with full power. Multimeters are widely available through electronics supply shops, hardware stores and various online retailers. Different multimeters give different readings, so check your operations manual if you are unsure how to test a power cable for continuity. Replace the power cable with a working one of the same type if the original cable is not working properly.

Connect the multimeter to the pins where the power cable connects to the amplifier if the cable is working properly. This is the same area from which you disconnected the power cable in the first step. This is a particular process and all multimeters use different readings to test for pin-out continuity.

Check the fuses on the back of the amplifier if the multimeter shows a correct reading when you test the power cable and power connection on the back of your amplifier. Look carefully for a cracked filament within the glass tube; even a small crack can result in power failure or intermittent operation. A blown fuse will generally look gray or black around the edges or inside the glass tube. Blown fuses will not provide power to the amplifier and are a common cause of no power or a single dead channel, depending on the location and type of fuse.


Tips & Warnings

Opening the amplifier is not recommended, as there is a risk of electrical shock and you may void the manufacturer's warranty from Yamaha or any warranty provided by the retailer you purchased the amplifier from.

Always replace fuses with the same voltage fuse. Using the wrong type of fuse can damage your amplifier.

Do not try to open the receiver and fix the power supply if you believe that you have a power supply problem. This is generally quite dangerous if you do not know exactly what you are doing or are not working with the proper tools.

Hope it helped..

Feb 18, 2011 | Audio Players & Recorders

1 Answer

I have a Rheem Electric water heater Model#71-52DB. It has no power and not heating when it does have power.


You need to troubleshoot water heater and electric going to water heater.
Troubleshoot takes about 45 minutes.
Typical electric water heater tank is fully repairable by homeowner using generic parts from home center or hardware.
Links below walk you through the steps:

http://waterheatertimer.org/Test-electricity-to-water-heater.html
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

Buy $5 multimeter from Lowes or Home Depot or Ace:
Install battery in multimeter.
When testing voltage, rotate multimeter dial to 240 or 250 or 277 VAC.
When testing continuity or elements, rotate multimeter dial to ohms (upside down horseshoe symbol is ohms)
Image of Multimeter

Jan 12, 2011 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

How do i know if its the fuel pump gone in my hyundai lantra 1998


to test fuel pump. first, the earing test. have someone turn the ignition on while you keep an open ear to hear the whinning sound of the pump. turn the key on and off a few times to make sure. if no sound is found, locate and test fuel pump relay/fuse. any local part store has the tester for relay or you can use a test light for the fuses with ignition on and test the resistance of the relay between posts, a multimeter is a good choice to test vehicle's relays and fuses. if the fuse/relay is established to be good, your pump might be at fault but check your wiring close to the tank by shaking them with the ignition on but not runnig the engine. if your finally hear the pump, it's broken/loose wires to fix, if not, have fun, you got a pump to change. estimated 3-4 hours to do at home

Jan 01, 2011 | Hyundai Elantra Cars & Trucks

1 Answer

How do i know which pico fuse is bad on my circut board


This can be tested with multimeter only, set multimeter on continuity and check pico fuse both pins, if meter shows zero ohms resistance that means pico fuse is good.

Sep 05, 2010 | Sony Televison & Video

1 Answer

I have no sound in my car..working just fine then nothing, no radio, no seat belt beeping,no beeping when doors open , no turn signal sound, no airbag beeping, no sound when locking or unlocking door, no...


Not knowing how you checked the fuses, I think they need a second look, maybe a continuity check with a multimeter which can often be done with the fuses plugged in. You can buy a digital multimeter for under $20 US and they are handy around home as well. You'll find them at Radio Shack, auto parts and home improvement stores or at other electronics outlets.

This sounds much like the 'accessory' fuse is blown or the contacts in the fuse box or on the fuse itself are corroded. The latter can be corrected by removing and replugging the fuse several times.

Jan 30, 2010 | 2009 Chevrolet Cobalt

1 Answer

Emerson mw810255 how do i check fuse? where do i


15A & 20A ceramic fuses can be had locally in most grocery stores, hardware stores, home improvement centers, and big box or department stores.

Your fuse can be tested with a test light, continuity tester, multimeter, etc.

You should also check the thermal cutout / thermostat on the magnetron in your oven is truly dead.

If you need other parts, call
866-779-5835 toll free.

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

Nov 24, 2009 | LG LMV1650ST Microwave Oven

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