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3rd January 2019, 12:35 | #1 |
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FBH is 5 or 6 ohm to much
Trying not to other Devilish too much so can I ask a question? I may send it to him anyway
When testing the resistance of a FBH glow plug is 0.5 or 0.6 ohms too much? thanks macafee2 Last edited by macafee2; 3rd January 2019 at 12:59.. |
3rd January 2019, 16:29 | #2 |
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0.4 as glowplug and 0.6 as flame sensor.
Lee.
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4th January 2019, 16:08 | #3 |
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4th January 2019, 16:20 | #4 |
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4th January 2019, 16:32 | #5 |
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The glowplug should be less than 0.4 ohms and flames sensor 0.6 or above according to French Mike.
Lee.
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4th January 2019, 16:53 | #6 |
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And for the majority of cheap multimeters that's below the resolution of the meter.
edit: Sorry - I should have said accuracy!
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4th January 2019, 22:04 | #7 | |
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Quote:
Mac, testing the resistance at 25C should be 2.6 ... 3.4Ω or less than 4Ω means the plug is good as new. I put one reading just below 5Ω in the FBH on my tourer about a year ago, and it still works fine. I have had new plugs read almost 6Ω after only one winter, albeit from a boat. When the glow plug goes out, the PCB does not care about any 4Ω, if the resistance changes relative to the temp, ok, but it is just a old glow plug. Your plug may work, it may not as flame sensor, for how long could be weeks or years, only way is to try it. Or if you decide to send me your PCB, send the plug with it, I can run it for you, then at least you know the plug will work when you fit your FBH.
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If at first you don't succeed, hide the evidence Last edited by Devilish; 4th January 2019 at 22:22.. |
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5th January 2019, 16:28 | #8 | |
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Quote:
macafee2 |
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