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No power after lightning strike - Office Equipment & Supplies

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Uplug shredder take off outer cover and with a little luck only the fuse is blown, if there is one.
-Carl, please let me know if this helps.

Posted on Jun 25, 2009

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Posted on Jan 02, 2017

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When and How Should a Surge Protector Be Used on a Fixed Switch?


Common Causes of Lightning Strikes
  • Outdoor network cables or power cables are routed overhead.
  • A switch is deployed outdoors but is not properly grounded.

Damages of Lightning Strikes
  • If power cables of a switch are routed overhead in an outdoor environment, lightning strikes may burn the power supplies.
  • If network cables of a switch are routed overhead in an outdoor environment, lightning strikes may burn interfaces of the switch.
When a switch undergoes lightning strikes, overvoltage is induced by lightning on network cables and transmitted to interior of the chassis. The surge protection measures, such as lightning rod and chassis grounding cannot prevent the damage. Therefore, surge protectors or surge protection circuits are recommended.

Surge Protector Use Precautions Take the following precautions to protect a switch from lightning:
  • Ensure that the ground cable is connected to a ground bar or a ground point on the cabinet.
  • Avoid routing cables overhead in an outdoor environment. Bury cables underground or route them in steel tubes.
  • To protect network interfaces against lightning, use 8-line surge protectors (or Huawei certified 4-line surge protectors).
  • When installing a network interface surge protector, connect the IN end to terminals and the OUT end to network interfaces of the switch.
If a fixed switch is installed in a network box, follow these instructions:
  • Connect the ground cables of the switch and surge protectors to the ground bar in the network box.
  • The maximum length of a ground cable cannot exceed 40 cm, and a length of smaller than 15 cm is recommended.
  • If the network box is located outdoors and power cables are routed aerially over a long distance (more than 300 m) to the network box, it is recommended that you install a power supply surge protector in the network box. The decoupled power cable must be at least 3 m long
S2300 Switch Thunder link com

Dec 08, 2016 | Office Equipment & Supplies

1 Answer

Had Lightning strike. TV box destroyed and tv does not get power. Which boards may need to be changed?


The power supply board is the first board to feel the impact of a lightning strike.. Try that one out first.

Jun 21, 2016 | Televison & Video

1 Answer

Which circuit board on my Smart TV might be broken after a possible lightning strike. There are two main ones. The power is getting to the unit, but I can't get the menus, connections etc to work.


Nobody can predict, what might have been happened to your TV after a lightning strike. Do you thing anybody can? Is any technician have a super-natural power to predict the faults that might have been happened due to lightning (More than 10 Million volts to start on stroke) ? Can you?
Sorry.
Contact the authorized service center. OK?
http://electronicshelponline.blogspot.com/

Jul 29, 2015 | Toshiba Cinema 47L7200U 47" 3D 1080p...

2 Answers

Will a nearby lightning strike cause a power board failure?


It could happen yes it would depend where the strike entered the TV. Not all lighting strikes hit on the electrical lines, on a TV they can come through the cable, as well as a antenna if you have one hooked up.

May 10, 2014 | Samsung UN32EH4003F

1 Answer

We took a lightning strike and my RCA 20f510td has no indication of power. Is there a fuse that needs to be replaced?


Hello
The faults occurs during lightning strike is not predictable. At present, the power supply inverter section of your RCA ahs damaged. A thorough chekup must be done to detect whether there is any other faults also occured or not during this time. OK.

Apr 10, 2011 | RCA 20F510TD 20 in. TV/DVD Combo

1 Answer

Lightning strike, blows internal fuse (6.3v 125/250) on plug in.


sounds like the lightning strike took out at least the power supply if not more. sorry to be bearer of bad news.

Oct 31, 2010 | Toshiba 24AF41 24" TV

1 Answer

Power surge due to lightning strike today. Comp...


Unplug it and then blow a hairdryer at the power supply for 3 minutes. Leave the lid on, just blow the hairdryer at it from the outside. Craziest trick I ever saw.

After that, turn off hibernation. And eventually, replace your power supply.

May 20, 2010 | HP Compaq Presario SR1300NX (PP195AA) PC...

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Compac presario 2200


There is a high probability that your laptop has been fried, especially if it was plugged into the mains at the time of the lightning strike.
A lightning strike could damage many components and even if you could get it fixed (most likely require a motherboard replacement) there are no guarentees that some other component won't fail in the future.
If it was me, I would put my money towards a new laptop and get a surge/lightning protection power board and disconnect the laptop from the main during a lightning storm.

Jan 07, 2009 | HP Compaq Presario 2200 Notebook

1 Answer

Surge from lightning strike damaged tv and won't turn on.


Unless you are skilled at trouble shooting power supplies , you will be better off getting a skilled repair center to repair yourset. If its repairable I have seen surges from lightning strikes make the set no longer cost effective to repair.

Jun 18, 2008 | Televison & Video

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