Cause: Gear jam or electrical surge. Solution:
If your CH-899 came with a remote sensor: ch-899 chouchin radio controlled clock manual
Before setting anything, ensure your power source is fresh. Cause: Gear jam or electrical surge
Note: Always use fresh, standard alkaline batteries. Avoid rechargeable batteries, as they often output slightly lower voltage which can cause display issues. Before setting anything, ensure your power source is fresh
Note: The radio signal search can take 3–10 minutes. Do not press any buttons during the first search.