20 Most Recent Line 6 POD HD400 Guitar Multi Effects Processor Questions & Answers

Line 6 has a network of authorized repair centers listed on their site. Due to the complexity of the device and the possibility of needing specialized parts, i suggest t you find the repair center nearest you and have them look into it.

I've had both very good and very bad customer service from Line 6 over the years, Personally, Id take it back to GC and have them explain what you need.That way if it's a case of a defective item, they can replace it on the spot,

I would suggest a reboot first, then if that doesn't fix it, contact Line 6 customer support. Video Tutorial POD HD300 400 Factory Reset POD HD300 400 Knowledge Base...

Hi there,

Well you may follow the link below to get your manual -

http://cachepe.zzounds.com/media/Line6PodHD400QuickStart-12fd8b27f633e744690f694ab6a375fc.pdf

Good Luck!!

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This sounds like a power supply problem. SInce the unit is brand new, exercise your warranty immediately. Don't mess with it and risk voiding the warranty.
If YOU supplied the power adapter, that is LIKELY the problem. This unit take one that is capable of 3 amps. (2.5 amps minimum) Most pedal adapters will NOT work with this unit as they don't have adequate current output.

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Make sure the volume and master volume are turned up. Try the amp with a different cabinet and a known good speaker cable. If you get sound, it's your speakers or your speaker cable. If still no sound, you need your amp serviced.

Protective circuits kicking in. You may be overdriving the preamp to a clipping condition the amp sees as a problem. If it is under warranty, contact Line 6 and see if this is normal for this amp. It should not be, but you never can be sure.