Samsung PN51E550D1F keeps powering off - Samsung FPT5084 50 in. Plasma HDTV

Hi Ben.
see if this link helps you find out why.
samsung tv un50eh5300f keeps blowing the fuse Google Search

Once the tablet has shut down, press and hold the Volume Up and Power buttons simultaneously until the Samsung logo appears. The Samsung Galaxy Tab will boot into ASR (Android System Recovery) mode. 3. Use the Volume rocker to highlight the 'wipe cache partition' option and the Power button to select it.15 Sep 2015

How to Fix the Samsung Galaxy Tab Reboot Loop - Appuals.com

https://www.google.co.uk/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=Samsung+galaxy+2+tablet+keeps+restarting


see if this helps you out.

Plug into charger hold power button down until device powers down
charge fully then disconnect and power up
might work or look at this site to erase cache entirely
https://appauls.com/how-to-fix-the-samsung-galexy-tab-reboot-loop/

call a technician as the code could be reading a faulty power cord , power board or program board

TV won't turn on - Forums - CNET

www.cnet.com > Forums > Samsung

CNETJun 11, 2015 - I have the Samsung FP-T5084 50" Plasma tv. I went to turn it on the other day, and it wouldn't turn on. No clicking. No red power indicator light. Nothing. Samsung TV LN52A650A1FXZA won't turn on, keeps clicking
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The power light keeps flashing and the tv wont turn on - TV ...

www.tomsguide.com/answers/id.../power-light-flashing-wont-turn.html

If you unplug for a minute and hit the power button it sound like it is coming on then it shuts off and the red power light flashes slowly. The TV is a Panisonic 1080i HDTV, about 6-7 years old. ... I have an old type sony tv with the big back and the red power light keeps flashing and ...

How do you fix a television that won't turn on? - Ask.com

www.ask.com > Technology > Television & Video

Here is an example cost for a Panasonic 50 inch plasma.
$ 2915.00 Plasma screen only - does not include labor to install.
$ 248.00 Maximum shipping cost to deliver it to your home.
$ 3163.00 Total cost - Does not include labor to install.

Probably cheaper to buy a brand new TV.

if there is no cooling power you have a problem with sensor and you need to replace it

These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.

The monitor keeps flashing on and off? Or does your system keeps trying to reboot which causes the monitor to go on and off. Does the screen turn Blue before it goes off?

Please return these sets to place of purchase.