Home › Forums › Products › Stompboxes › Locking up › Reply To: Locking up January 13, 2024 at 5:33 pm #177274 shawnmhParticipant My H90 just locked up at startup, restarting it doesn’t do anything, it’s still locked. I have only had this for a 10 days, and only used it for a few times, – very cautiously and curiously. Attachments:You must be logged in to view attached files.