I have an idea. I have seen this issue before on my Wally, connected to a DPP44 switch. Sometimes the only way to fix this is to "reset" the switch. First, unplug the power inserter. Then, just to make sure that there is not a separate issue with the Wally, disconnect the coax from the back of the Wally, and run the Test Installation. The test will fail, obviously. This test is just to clear any old settings out of the Wally's memory. Then, reconnect the coax, plug in the power inserter, and run the Test Installation again. If your switch and power inserter are still working properly, and all cables are still securely connected, then this procedure should fix the problem.
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