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My Electrolux EIFLS20QS front load washer keeps giving me an error: Unstable mains supply. I've tried unplugging and switch the breaker, it will start again but then the error will come back.


Unstable mains supply means that power supply voltage is too high or too low or frequency is out of limit. Usually it is enough to wait for nominal power supply conditions. My suggestion is to measure the voltage and frequency on the wall socket where is attached washing machines, also is a good idea to try to connect a washing machine to power supply by an extension cord from other rooms (different phase) or from the nearest neighbor in order to eliminate wrong or disturbed power supply line, otherwise the main board is defective.

Dado

Feb 20, 2017 | Electrolux Washing Machines

1 Answer

Is gave me massage electrolux dryer unstable mains supply


Hello Hosein, thanks for your post!
From my understanding your Electrolux dryer is giving you a message of "unstable mains supply". I am not showing this as a valid code for our dryers. Could you please provide me with your model number? You can locate that information on the serial tag and that can be found on the door frame. When I get that information I would be happy to assist you further. -Matt

Apr 10, 2016 | Electrolux Dryers

1 Answer

I have a Samsung 50 inch TV model 50B450B1DXZA. when I turn it on I get a flashing red light. I have replaced the power supply and X-main boards. they both have correct voltages on them with nothing e


Failure on one of the boards the power supply is servicing may be causing an over current relay to trip repeatedly.
Check PS voltages while the clicking is present to see if one of the outputs is unstable.

Dec 16, 2014 | Samsung Televison & Video

1 Answer

I have problem model TCL-14175 I replace ic 8 pins 44608P40 but still unstable power supply


You've replaced the main system control memory IC, I assumes. If so, an adjustment called, memory initialization, should be done after replacement, or, the newly prepacked IC do not work. If you wish to get more details about this, check this link. http://electronicshelponline.blogspot.com/

Oct 08, 2013 | Samsung Televison & Video

1 Answer

Tcl-14175 power supply unstable


Check and replace damaged component/s at its main power supply regulator section circuit. Check all solder terminals, for any loose soldering. If you wish to get more details, check the site linked here.
http://electronicshelponline.blogspot.com/
Selecting the view option, either to Mosaic / Timeslide, can be selected by the dropdown list, at the top left of the display window, will make surf easy

Oct 08, 2013 | Samsung Televison & Video

1 Answer

AN SC547 ERROR ON MY RICOH AFICIO MP C3000 MACHINE


547 D Zero cross error § The zero cross signal is detected three times even though the heater relay is off when turning on the main power. § The zero cross signal is not detected for 2 seconds even though the heater relay is on after turning on the main power or closing the front door. § The detection error occurs twice or more in the 11 zero cross signal detections. This error is defined when the detected zero cross signal is less than 45. § Defective fusing lamp relay § Defective fusing lamp relay circuit § Unstable power supply 1. Check the power supply source. 2. Replace the PSU

Aug 26, 2010 | Office Equipment & Supplies

1 Answer

My t.v. will only turn off or on by unplugging it.


You may have proble with the main logic board or it may be caused by unstable DC in the power supply due to bad caps, not much you can do about repairing the main logic board, power supply can be fixed. So those are the two areas you need to inspect.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com

Please post back what you find.

Jul 27, 2010 | Vizio L37 Television

1 Answer

Power light just flashes off and on. will not turn on.


Hello Steve, Hi!, the reason why your TV is flashing on and off, the power supply board is on standby mode, when this happens, check your main line for unstable power, you can use a voltage regulator (common in computers), or worst there is usually an overload inside your TV, this could be a shorted part, a failed circuit, or a bad power supply board. this is a serious issue, we usually replace the whole power supply board, and test, (hopefully the TV is restored) if the test is not favorable, we then replace the main circuit board that controls the entire LCD TV. This is costly, I suggest you call your dealer first for estimates of repair.

Feb 15, 2010 | Insignia IS-LCDTV32 32 in. Television

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