TC Electronic Stereo Chorus/Flanger & Pitch Modulator User Manual page 19

TROUBLESHOOTING
In case you encounter any difficulties, please go thru this
troubleshooting before calling the service center
ERROR
No "on" LED
No Sound
20
CHECK
- click the bypass footswitch.
- is there sound?
- try another AC outlet.
- AC outlet OK?
- try to get sound through your amp.
without using the TC SCF.
- are the cables ok? Try others.
- move all switches back and forth.
- try another sound source.
- test in mono (see chorus problem).