Inspect battery contacts for corrosion; clean them by gently scraping without deforming the metal.
: There is a fuse located adjacent to the positive (red) terminal; if this is blown, the lamp will not receive power. 4. Warranty and Professional Help If DIY isn't your speed or the damage is severe: Petzl Guarantee : Petzl products typically carry a three-year guarantee petzl myo xp repair 2021