[GreenKeys] Model 28 buzz solved

Radio AI2Q ai2q at roadrunner.com
Sun Aug 11 07:51:48 EDT 2019


The buzz was due to a faulty polar relay in my TU that apparently failed 
when I had a power outage here. All's well now, and thanks to all who 
commented with ideas and suggestions.

Wish I never gave away my FRXD-3EL non-typing "climbing monkey" reperf!

Vy 73, AI2Q, Alex



On 8/7/2019 10:29 AM, Radio AI2Q wrote:
> My Model 28 is always connected to the AC line, but not activated 
> until I turn on my local loop and place the lever on the right-hand 
> side on (up)..
>
> Today we had a power outage, and when the power returned the Model 28 
> emitted a loud continuous buzz from the device to the right-rear of 
> the internal deck (next to the relays).
>
> Can someone tell me what the cause is and how to return to normal 
> operation? The right-hand lever does not affect this problem.
>
> Thank you.
>
> Vy 73, AI2Q, Alex
> Kennebunk, Maine


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