Block heater Hi everybody. I have an issue with block heater of my car. I purchased a used civic 2005 which come with block heater. Some days ago i bought an extension cord which come with a little light on its socket. When i plugged my block heater on first day Every thing worked good. Car engine heated pretty fast when i start the car. But from next day i started facing a strange issue. Whenever i plug my block heater. And come next morning to check it, extension cord's light is turned off. Then i remove block heater plug light again started glowing. And my car engine remain cold as there is no block heater. This happen everyday. i checked that extension cord in my house. Its working properly. moreover i asked a guy to check my block heater. He checked it with some plug and said that its working fine. I dont know what is the issue. Lastly i am not sure if its right section to post this. If its not please move my thread to appropriate section. |
Re: Block heater Extension cord with a light? Try a normal heavy duty 12 ga. extension cord without GFCI, and use an extension cord as short as possible |
Re: Block heater I plugged only early morning, an hour before leaving. Is the heater auto-off after some time? |
Re: Block heater
Originally Posted by ezone
(Post 4755805)
Extension cord with a light? Try a normal heavy duty 12 ga. extension cord without GFCI, and use an extension cord as short as possible |
Re: Block heater extension cord's light is turned off. Try plugging your extension cord into a different outlet. |
Re: Block heater
Originally Posted by ezone
(Post 4755809)
If the light is not on, there's no power...right? Maybe your outlet is bad or wiring is faulty Try plugging your extension cord into a different outlet. |
Re: Block heater light is on when i plug the heater but after some time it get turned off. What happens if you wiggle the extension cord in the outlet? Check wiring connected into the back of the outlet? When you plug just the extension cord into other outlets I assume you don't have the (maybe 10+) amp load of the block heater connected to it |
Re: Block heater
Originally Posted by ezone
(Post 4755816)
No light = Lost power to the cord from the outlet. Correct? What happens if you wiggle the extension cord in the outlet? Check wiring connected into the back of the outlet? When you plug just the extension cord into other outlets I assume you don't have the (maybe 10+) amp load of the block heater connected to it |
Re: Block heater How warm is the cord end when you notice a problem? Some plugs get hot enough to allow a gap(which makes it hotter until it fails to conduct). A tell tale will be a slightly burned texture to the contacts or the plastic around them. |
Re: Block heater
Originally Posted by Sedona
(Post 4755819)
How warm is the cord end when you notice a problem? Some plugs get hot enough to allow a gap(which makes it hotter until it fails to conduct). A tell tale will be a slightly burned texture to the contacts or the plastic around them. |
Re: Block heater Sadly if it is a failed or soft-failed element in the heater it won't fail until fully hot and come back when cold. |
Re: Block heater
Originally Posted by Sedona
(Post 4755822)
Sadly if it is a failed or soft-failed element in the heater it won't fail until fully hot and come back when cold. |
Re: Block heater The same failure can happen anywhere in the system tbh. If you have a hair dryer to plug into it or a heat gun you may be able to stimulate the response if it is the cord. |
Re: Block heater You may be on the verge of having an electrical fire somewhere inside of your walls! Just to circle back, the wire that goes from your breaker panel and energizes up to 10 or so (code limits escape me) outlets may have a partially failed connection and or kink/partial break / rat chewed up section that would allow low current flow through with no issues. Now that same failed spot, when heavy current load is going through it will start to heat up rapidly and as it does, voltage losses occur. Those little neon glow ends usually need about 85v to light up, so it’s possible after the failed spot is hot enough the neon indicator won’t have enough voltage to illuminate, and as soon as you take the load off, the failed spot starts to cool and more voltage flows through. Shut off that breaker for that outlet, and then test your extension cord to the block heater again on any other outlet in your house that still has power even if you need to double extension cord it. if the neon end stays fully lit, leave that breaker turned off until you have a electrician come out and find the issue. |
Re: Block heater
Originally Posted by Sedona
(Post 4755824)
The same failure can happen anywhere in the system tbh. If you have a hair dryer to plug into it or a heat gun you may be able to stimulate the response if it is the cord. |
Re: Block heater
Originally Posted by Slumpertcivic
(Post 4755841)
You may be on the verge of having an electrical fire somewhere inside of your walls! Just to circle back, the wire that goes from your breaker panel and energizes up to 10 or so (code limits escape me) outlets may have a partially failed connection and or kink/partial break / rat chewed up section that would allow low current flow through with no issues. Now that same failed spot, when heavy current load is going through it will start to heat up rapidly and as it does, voltage losses occur. Those little neon glow ends usually need about 85v to light up, so it’s possible after the failed spot is hot enough the neon indicator won’t have enough voltage to illuminate, and as soon as you take the load off, the failed spot starts to cool and more voltage flows through. Shut off that breaker for that outlet, and then test your extension cord to the block heater again on any other outlet in your house that still has power even if you need to double extension cord it. if the neon end stays fully lit, leave that breaker turned off until you have a electrician come out and find the issue. |
Re: Block heater I wouldn't use a hair dryer on that extension cord for very long. 16 gauge wire is only rated for ~10-13 amps, a hair dryer would most likely be pulling around 15. |
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