Question about Rotary Electrical Supplies

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Cannot shut system down except by main breaker panel. No stat us light lit. What could be the problem?

No matter which position the rotary power switch is in the unit keeps running. The only way to stop it is by disconnecting the power cord or hitting the house main circuit breaker

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Replace the switch

Posted on Apr 23, 2017

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Table saw stopped running. Will run when I tilt it forward


The fact that it runs in one position but not in another tells me that you have an electrical problem. Specifically, it suggests that you have an intermittently broken circuit that opens and closes as the position of a wire or relay is moved by gravity. However, it could also mean you have a short if a bare hot wire touches bare metal as your changing the position of the saw. If that's the case, then you'd probably see and hear some electrical arcing--one heck of a spark--when the motor stops running.

So let's assume it's an open. If you know how to use an ohmmeter, you can easily find the break and then replace the damaged part. If not, you could first begin by unplugging the power cord, removing the blade, plugging the power cord back into the wall socket, and hitting the power switch with the saw in the level (not working) position. Then start manipulating the power cord from the wall socket to the on-off switch--move it back and forth and up and down to see if one of the wires in it is broken but the broken ends can be put back into contact by these movements. If the motor starts to turn during these manipulations, replace or reattach the power cord. If nothing happens, unplug it and examine the leads from the switch to the motor to see if they're firmly attached at both ends. If one of the leads is loose, reattach it. If they look good, plug it back in and manipulate these leads one at a time like you did the power cord. It would be a good idea to be wearing some heavy insulated gloves during this procedure. If the motor starts to run, replace the damaged lead. If nothing happens, then temporarily wire around the on-off switch to see if it's damaged. If the motor runs when you do this, replace the switch.

Again, it would be far better to try to find the location of the open circuit using an ohmmeter with the power cord unplugged. If you don't have an ohmmeter, consider buying one. They're not expensive and not difficult to learn to use.

Good luck.

Oct 29, 2014 | Saws

1 Answer

2002 toyota land cruiser the hazzards will not turn of when i disconnect the hazzard switch


First why disconnect the switch?
Second why not remove the fuse or the flasher relay instead of disconnecting the switch (if it HAS to be disconnected)?

The switch may be a normally closed type meaning when it's connected and in the off position it has current running through it to power a solenoid or similar item. Once it's disconnected it's like you are turning the switch "On" since when it's in the off position it sends power out, disconnecting it cuts the power to keep the lights from being switched "On" by a secondary solenoid switching device which is wired normally closed, meaning if it looses power it will go to it's normally closed position which is "On". Powering the solenoid will open the circuit & keep the flashers turned "Off" disconnecting the power from running to the flasher circuit.

This may or may not be exactly how your vehicles flashers are wired but rather an explanation of how this could be possible.

That's how disconnecting the switch may still have power running to your flashers, this is just an example of how it could be done, it requires 2 separate circuits independent from each other but the 1st circuit controls the other. The first circuit will only have a small amount of power running through it, while the solenoid switch will have a large current draw. This keeps your switch from having to run all the current through it. That would make the switch be much larger and more likely to have problems also, fire is not good and saving space in you dash is helpful along with reducing the amount of large wires running up through your dash. There is much more room for those things to be located elsewhere.

Sep 23, 2014 | Cars & Trucks

1 Answer

Kenwood amplifier KA127 the sound stopped and if I switch on/off it says ''muting'' what is that and where can I unmute? No matter what I hit nothing happens.


disconnect the unit from all inputs and outputs. Just you,the unit and the power cord to the unit. No CDs, no speakers, nuthin'!

Turn it on. if it displays the same message, Find Kenwood's service center.
If it operates normally, you had/have a short in the speaker system.

Sep 03, 2011 | Audio Players & Recorders

1 Answer

Crafatsman Rotary Tool Single speed - chuck has no power - that is motor will run smoothly - - chuck will turn - but your finger can stop it - it is free wheeling on it's own even while the motor is...


These are fairly easy to disassemble and get back together, take it apart and find out what got stripped, It might be an easy fix, then again, it might be going back to sears. They will take it back no matter what. Hope this helps.

May 29, 2010 | Craftsman Single Speed Rotary Tool

1 Answer

Kn8 SLI mobo will not run.


hey.

1. I strongly suggest you clean the dust off your motherboard and other internal components, it is possible that may be culprit if nothing was changed since the last time you used.

2. if something was in fact changed and cleanning does not resolve issue try the following to recover the hardware default status, and then making the motherboard work again:

Step 1. Switch off the power supply unit and then switch it on again after one minute. If there is no power switch on the power supply unit, disconnect its power cord for one minute and then reconnect.
Press and hold the <Insert> key on the keyboard, and press the power-on button to boot up system. If it works, release the <Insert> key and hit <Del> key to enter the BIOS setup page to apply the correct settings. (load default settings and save changes and exit)
If the situation remains the same, repeat the procedures in Step 1 for three times, or try Step 2.
Step 2. Switch off the power supply unit or disconnect the power cord. Open the chassis cover. Locate the CCMOS jumper near the button battery. Change the jumper position from default 1-2 to 2-3 for one minute to discharge the CMOS data, and then put it back to default 1-2 position.
Close the chassis and switch on the power supply unit or plug in the power cord. Press the power-on button to boot up system. If it works, hit <Del> key to enter the BIOS setup page to do the correct settings.
If the situation remains the same, try Step 3.
Step 3. The same procedure as Step 2, but while discharging the CMOS data, pull out the ATX power connectors from motherboard and remove the button battery during CMOS discharge.
3. try replacing the powersupply

Dec 25, 2009 | Abit KN8 SLi Motherboard

1 Answer

Is it difficult to replace the combination light switch


It all depends on the tools you have and if you have patience....this is the task for removing and replacing the switch:

Removal & Installataion
CAUTION These models covered are equipped with a Supplemental Restraint System (SRS), which uses an air bag. Whenever working near any of the SRS components, such as the impact sensors, the air bag module, steering column and instrument panel, disable the SRS and refer to the precautions in the Chassis Electrical Section.


  1. Make sure the steering wheel is in the center position (wheels in the straight ahead position)
  2. Remove the key from the ignition.
  3. Disconnect the negative battery cable first, then the positive cable.
  4. Wait 10-20 minutes for the back-up power to discharge. Do NOT proceed until the back-up power is discharged from the SRS system!
  5. Remove the driver’s side air bag module and steering wheel, as outlined under the Steering Wheel Removal & Installation procedure in this section.
  6. Remove the steering column nacelle, as follows:
    • Open the fascia lower access panel.
    • Remove 3 screws securing steering column nacelle halves together.
    • Release clips securing nacelle together and remove from steering column.
91d9def.gif
Exploded view of the steering column nacelle (cover) mounting

Remove the rotary coupler, as follows:
  • Release rotary coupler connector from bracket and disconnect from harness.
  • Disconnect rotary coupler connector from harness.
  • Remove rotary coupler.
36a7806.gif
View of the rotary coupler

  1. Release passive coil from steering column lock and lower the coil without disconnecting the harness.
  2. Release front wiper delay connector from column switch mounting bracket and disconnect from harness.
  3. Disconnect harness connector from wiper switch.
  4. Remove 2 screws securing switch, carefully raise edge of switch bracket to clear location peg and remove switch.
c23a31c.gif
Release front wiper delay connector (3) from column switch mounting bracket and disconnect from harness. Disconnect the wiper switch connector (4), then remove the switch mounting screws (5)

To install:
  1. Install the new switch to bracket and secure with screws.
  2. Connect harness connector to switch.
  3. Connect front wiper delay connector and Install the connector to switch bracket.
  4. Install the passive coil to column lock.
  5. Install the rotary coupler, as follows:
    • Install the rotary coupler to steering column and connect connector to harness.
    • Connect rotary coupler connector to harness and secure to bracket.
  6. Install the steering column nacelle, as follows:
    • Position the nacelle to steering column and secure with clips and screws.
    • Close fascia lower access panel.
  7. Install the steering wheel and driver’s air bag module, as outlined in this section.
  8. Connect the positive, then the negative battery cables.

Oct 13, 2009 | 2001 Land Rover Discovery Series II

1 Answer

Kenmore microwave (2 y/o) will stop soon after you hit start.


A quick test. Switch off power then remove outer cover. Look for the transformer. remove the two wires connected to the primary side. Note, do not toutch anything else. power still sitting on the cap. With those two thin wires disconnected, make sure they are not toutching each other or leaning on the metal frame. Set a program that has been a problem and let it run. If it still stops and does what its not supposed to do, your board needs replacement.

Sep 16, 2009 | Kenmore 80412 Microwave Oven

1 Answer

I got a bosch 11236vs


Don't rule out nothing. All it takes is it to run on a too small and/or too long extension cord. Also if you ran it on a generator that not keeping up the voltage. The good news is takes no time to check. First remove the bottom cover by removing the center plug with a allen wrench. Then the 4 screws on the outside of the plastic. Gently pry the cover off, it's tuff and you may need a screw driver. Now you have access to the brushes, remove them and check the wire connecting them, if it's discolor (should be bright silver) then you had a low power problem and they need replacement. While in here chech the end of the armature. Too get it out you must remove the brush holders. Just disconnect the wires and pull them out with needle nose plyers. The armature should be bright and without any cracks in the segments. You can clean it up a bit with sandpaper 180 grit or finer. When reassembling ensure you notice that the end piece off the casing has a v-notch in it that lines up with a notch in the bearing end plate. Next check the cord. Remove the on/off switch by gently poping it off with a screwdriver. Remove the screws under the switch. Then remove the the handle bolt that go side to side. Now you should be able to split the handle. With a meter do a continuity test form each pin of the plug with the wires at the connection point in the unit while moving the cord around. A short in the cord may only show when the cord is in a specific position. If this does not find the problem then you need to check accross the switch. Check continuity of the white wire in to the white wire out with a meter while the trigger is engaged and repeat with the black. Also check with the same meter white to black on both sides of the switch, you should have no continuity. This also goes for the cord. This should do it. If not let me know.

Jan 31, 2009 | Bosch 11236VS Rotary Hammer

1 Answer

Hi, my canon lbp2410 colour laser printer seems to be stuck in cartridge replacement position and will not progress to ready to print position.The toner lamp is on continuously which ,according to the...


ok..unplug the unit..let it sit idle for 3 min..

then disconnect from computer..

press power button, then insert power into outlet.

see how that works..


Aug 19, 2008 | Office Equipment & Supplies

2 Answers

HP C6180 all in one


Have an HP C6180 that would not turn on, no power. Unplugged and replugged the unit in the back - no fix. Unplugged the unit at the wall socket, reconnected and I thought I heard a faint click in the power supply. Hit the on button and the C6180 powered up - no issues. Without knowing for sure, possibly the power supply has some type of surge arrest safety switch.

Aug 09, 2008 | HP Photosmart C6180 All-In-One InkJet...

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