: If the "tuner" you mean is the physical tuning peg on the guitar headstock and it won't tighten, check for loose mounting screws or stripped internal gears.
If the tuner needle doesn’t move at all when you pluck a string, the app likely doesn't have permission to use your device's microphone. Go to Settings > Privacy & Security > Microphone . guitar toolkit tuner not working
If the tuner works but your guitar sounds "off" compared to other instruments, your might be set incorrectly. Calibrating an Electronic Tuner, Practicing Tip #12 : If the "tuner" you mean is the
Here’s a solid, step-by-step guide to troubleshoot a (the built-in tuner on multi-tools like the D’Addario / Planet Waves Guitar Toolkit or similar clamp-on tuner/metronome combo devices) that has stopped working. If the tuner works but your guitar sounds
| Symptom | Likely Fix | |---------|-------------| | No display / won’t turn on | New battery. Check polarity (+/-). Clean battery contacts with a pencil eraser. | | Display lights but no note detection | Clean microphone hole. Switch to vibration mode. Pluck string harder (but not too hard). | | Tuner shows random notes / jumping wildly | Low battery, or too much background noise. Replace battery or move to quiet room. | | Tuner “freezes” on one note | Reset device (see below). Sometimes a stuck button from sweat or debris. | | Works on some strings only | Vibration mode – ensure clamp is centered on headstock, not on a tuning peg or over a truss rod cover. |
Here is how to tackle each scenario systematically.
