I have been using my metal muff for about a month now, and its a great pedal, but today i was using it, and my sound just sorta fizzled out. I removed my AC adapter, and it ran fine on the battery, but then when i plugged it back in, nothing happened, the light went off and all hope was lost. Is this a fixable problem or do i have to send it to Electro-Harmonix to fix it? I could just use batteries, but they are costly and only last for a short time. Any help?
check to see if the connection to the DC in has come loose.
every thing seems tight, no wiggling or nothing
the same thing happened to mine. i had to take it back to the shop and claim on the warranty. i think the best thing to do when switching from a battery to a power supply is to turn it off and unplug it and then put the power supply in before putting the cables back, i think its a less risky way.
did you return the little warranty card within 10 days of purchase?