I have lost my user guide Zoom 2100 guitar

Question edited for a lot more clarity.

ZOOM 9030 ADVANCED INSTRUMENT EFFECTS ...

https://www.zoom.co.jp > effects-preamps > guitar > zo...

ZOOM 9030 ADVANCED INSTRUMENT EFFECTS PROCESSOR. Innovative functions in a half-rack size. Downloads. images. Documents. PDF icon 9030 Operation Manual.

Zoom 9030 Instrument Effects Processor - mu:zines

http://www.muzines.co.uk > articles > zoom-9030-instr...
The Zoom 9030 is a single input/stereo output device. It has a line level input on the back and a high impedance guitar input on the front. The outputs can be ...
Simultaneous effects: Seven, or six if SFX is us...
Number of Effects: 47 (see 'Zoom 9030 Effects' ...

Zoom 9030 Multi Effects Processor - Reverb

https://reverb.com > ... > Multi-Effect Unit > Zoom

The unit supports up to 99 patches for you to configure to your hearts content. This unit is a early 90's digital effects processor that has a wide range of ...
US$140.00
Manual

ZOOM 9030 Advanced Instrument Effects Processor

https://zoomcorp.com > documents > E_9030
PDF
Please take the time to read this manual carefully, in order to get the most out of your 9030 and ensure longtime use and reliability.
69 pages

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Known issue?

Contact Hartke directly to inquire.

A D5 error? Are you sure you're not reading it as "d5"? If you're in the Drive Module, d5 is "distortion+". If you're in the Delay Module, d1-d9 are settings that control the mixing ratio of effect sound versus original sound and the feedback amount. I'd refer to a user manual here:
https://www.zoom-na.com/sites/default/files/products/downloads/pdfs/E_G1_G1X_3.pdf
Hope this helps you.

The problem I had was that i bought it secon hand and it didnt come with a wall wart for the power supply. This unit requires an AC adapter that is 9-10 volt ac output. Not dc output as most are. It will power up on a 9v dc adapter but it wont work. Has to be an ac adapter. Im using a 12v ac adapter off of something or other and it works now. Only need to hookup "in" and "out". Footswitch isnt necessary to operate. This thing is pretty awesome.

Circuit Diagram - Zoom G1 Service Manual [Page 15]

https://www.manualslib.com > ... > Service manual

Zoom G1 Manual Online: Circuit Diagram. A MAIN PCB(PCB-0169) CPU Circuit - 15 - 5 6 7... ... Circuit Diagram - Zoom G1 Service Manual. Guitar effects pedals.

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  Circuit Diagram - Zoom g9.2tt Service Manual [Page 28]

  https://www.manualslib.com > ... > Service manual
  Zoom g9.2tt Manual Online: Circuit Diagram. MAIN PCB(PCB-0151) CPU Circuit - 28 - 5 6 ... Music Pedal Zoom Guitar Effects Console G9.2tt2q Operation Manual.

The guitar needs to be plugged into it, to turn the unit on. A full manual can be found here for that Zoom model:
https://www.zoom-na.com/sites/default/files/products/downloads/pdfs/E_G1_G1X_3.pdf

my Zoom G1XNext is off suddenly.. i already doing test for the line Power, but the line power has no problem... so what can i do to fix my digital effect.. i worried if the problem is in the processor.. please give me the solution to [email protected]

You can download the manual for your G2 at
http://www.zoom.co.jp/downloads/g2/manual/
Please rate this solution. Thanks.

Do you use the zoom-G1X? Try this:

source: Zoom G1x User Manual.

I'm a Zoom 9000 owner (since '93, I think) Did you try batteries only? Are you plugging the guitar into the "in / power" jack and not mistakenly using another jack? When you plug in the guitar, in to the Zoom 9000 does the window come on with the settings shown? Sorry, I know some of these are obvious but always the chance of us being human. If all that seems fine, then I would read though a manual to see if maybe it is a setting problem, i.e., sound somehow got inadvertently turned off. If you don't have one, an internet search will lead you to one. Sorry, wish I knew more.