Hello,Suspecting the arc detector to be bad on the primary cavity I replaced it with a new one from Harris broadcasting. part#378-0180-000 $485.
When I tested it the arc detector fault did not come on so I tested in a black box and it worked when examining the new and the old detector … the old [...]

Hello,
Wednesday night around 2030 pm the WTJR analog Transmitter shut off with a secondary cavity ARC fault. It returned it to air during Richard Roberts Program.
This is the 4th time recently I have seen this fault. It is a terminal fault requiring a trip to the transmitter site to reset. It appears to happen at [...]