Vacuum will not charge when placed on the wall mount, but charges when connected directly to the battery (if supported).

Safety first: Unplug the charger from the wall before working on the dock.

Steps to try:

• Check alignment: Ensure the vacuum or battery is fully seated on the dock and that the contacts align properly.
• Inspect contacts: Look for bent or recessed metal contacts on the dock. Clean with a dry cloth.
• Check mounting screws: Over-tightened screws can warp the dock and misalign contacts. Loosen slightly if necessary.
• Test charger directly: If direct charging works, the dock is faulty. Replace the wall mount/dock assembly.