Vacuum turns on but shuts off after a few seconds without any error code; may restart if the power button is pressed again.

Safety first: Remove the battery before inspecting the housing.

• Step 1 – Check battery latch: Ensure the battery locks firmly. If it feels loose or can be wiggled, the latch or housing may be worn.
• Step 2 – Inspect contacts: Look for burn marks or pitting on the battery and body contacts. Clean gently with a dry cloth.
• Step 3 – Test while gently moving battery: With the vacuum running (be cautious), gently press the battery upward and side‑to‑side. If it cuts out, the connection is intermittent.
• Step 4 – Replace worn parts: Replace the battery if its casing or contacts are damaged. If the body contacts or latch are worn, the lower housing or battery holder assembly may need replacement.
• Step 5 – PCB inspection (advanced): Open the housing and inspect the solder joints where the battery contacts connect to the PCB. Resolder or replace the PCB if cracks are visible.