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Re: (ET) Forward speeds out
For a quick check, a lower Ohms range on an older analog VOM will often
allow testing in the circuit.
>>> Garry & Terry Freese <tnlighthouse bellsouth net> 11/6/2005 6:46:58 PM
>A diode is nothing more than a one way street or a check value. It will
>only allow current to travel/flow in one direction and that is against
>arrow. With a high resistance scale selected on the multimeter, the front
>to back ratio on a good diode will be 10 to 1. That means you will get
>high reading and a low or close to short in the other direction. Some
>meters have a position to check diodes.
>BUT you may have to lift one side so as to not see the resistance of the
>Hope this helps.
>Garry East TN
> At 06:23 PM 11/6/2005, you wrote:
>>Ok, oddness. E20, reverse runs fine, forward runs in one speed only. And
>>that speed is using the resistors; they're getting warm.
>>Any guesses? I'm betting card 4 diode failed. How can you check a diode?
>>Elec-trak mailing list
>>Elec-trak cosmos phy tufts edu
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Elec-trak cosmos phy tufts edu
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