Hi All - I have a TIU that I purchased and am having some issues with it and could use your help. I'm using a Z-500 and do not have anything hooked up to the output ports/track. When I plug the Z-500 into the aux power input I get the steady red light which is good. When I plug the Z-500 into Fixed Voltage In 2 with the barrel jacks I have no issues. When I plug the Z-500 into Fixed Voltage In 1 the 4 amp button on the Z-500 pops out. I opened the unit and replaced all the 20 amp fuses but the same thing is happening. Are there any other tests I can complete or do I have a bad unit? Also, the unit has a Rev.L Thanks for your feedback.
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