I'll try to keep this short. I'm newly licensed and have been having lots of success on HF, but haven't had any contacts on 2m/70cm. I can hit our local repeater, which is also Echolink enabled. I sent "9999" to test out my TX. The repeater responded identifying itself, but ever since has been transmitting a chime every few seconds so that my squelch is almost constantly open. I've tried "#" and "##" many times to disconnect with no change. This has been going on for 3 hours.
What am I missing???