[Elecraft] K1 4 bander issue

[Fred VE3FAL]

I just acquired a K1 4 bander from a ham in Ottawa. It has 40,30,20 and 15 meters in it. All bands operate and function as they should except for 30 meters. Have done some searches on this possible issue but nothing solid as of yet. Anyone have a starting point where I might look to see or find the issue.

Cheers
Fred
VE3FAL

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Fred VE3FAL/CIW649