I need to replace this resistor.(r24) there are no colors on it. It is on a board inside a garage door opener. It runs the safety beam. Any help.. Thanks..
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Miracle Industries Inc. Very old unit..Make and model of unit?
I hit the resistor and snaped it when replacing the light bulb...And you will need to find and replace whatever caused the resistor to release its smoke.
Will do later tonight. At work.. thanks. It was working before i snaped it. Garage door was operating.The resistor was already cooked before you snapped it.
Can you post a photo of the back side of the circuit board?
I am completely convinced it is wirewound. It could be a film resistor as they also have a spiral element.That is a high wattage wire wound,
I am completely convinced it is wirewound. It could be a film resistor as they also have a spiral element.
https://en.wikipedia.org/wiki/Resistor#Foil_resistor
Carbon film resistor with exposed carbon spiral (Tesla TR-212 1 kΩ)
Simple. The string is the TS' clever way of pointing to the component in question.I don't see a break in the spiral so probably one of the end cap connections to the spiral was opened. If so, you should be able to measure the full value from end to end with a little wiggle on the loose end.
I'm not sure what that string is there for but resistors of that type make poor accessory hangers.
You need to buy or borrow a multimeter to measure the resistance. Places like Harbor Freight have very inexpensive ones. Make sure the power is disconnected then follow the meter instructions to set up the meter. There are tutorials online that show you how to measure the value of a resistor. In your particular case you'll have to wiggle the end caps of the resistor with the meter probes to get a reading. You're also going to need to be able to unsolder the old resistor and solder the replacement in. Let us know how the measurement goes.Any idea where I could buy one to get my garage door working?? Or real easy directions on how to measure said resistor? And then what to ask for when ordering.. Sorry to be a pain in the a%# but I know nothing about these part.
by Jake Hertz
by Aaron Carman
by Jake Hertz