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How Do I Repair My Roof Heating Cable That Stopped Working?

January 29, 2007

Q: My roof heating cable just stopped working. The cable is plugged in, but it is not heating up. What should I check?

A: Check to see if the circuit breaker has tripped or a fuse is blown. Even if the circuit breaker doesn’t look to be tripped, I recommend turning it off and then back on again.

Roof heating cable is also required to be GFCI protected. This is typically done either at the circuit breaker or where the roof heating cable terminates under your eave or soffit.

If the GFCI protection is at the circuit breaker, there will be a trip button on your circuit breaker. Push this button, just to check the operation. If it trips the breaker, it is working properly and reset your breaker. If nothing happens, try resetting your circuit breaker. If the circuit breaker was not tripped and pushing the trip button does nothing, replace your GFCI circuit breaker.

If the GFCI protection is where the cable terminates under your eave or soffit, it is either a receptacle with a trip and reset button or it is on the roof heating cable just behind the plug. There will also be a trip and reset button here. Push the reset button.

If this doesn’t solve the problem, you may have other components inline that control your roof heating cable. If this is the case, please submit more details in the comment section of this post.

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