Vacuum will not power on, battery indicator flashes red rapidly a few times then turns off

Safety first: Always switch the vacuum OFF and remove the battery pack before any inspection. Never open or puncture a lithium battery pack.

• Step 1 – Confirm proper charging: Place the Jimmy cordless vacuum on its original Jimmy charger or wall dock. Verify the charger LED is on and not flashing error. Allow at least 3–4 hours of uninterrupted charging. If the charger LED stays off, test a different outlet.
• Step 2 – Inspect battery contacts: Remove the battery pack from the vacuum. Check the metal contacts on both the battery and the vacuum handle for burns, corrosion, or bent pins. Clean light oxidation with a dry cloth only. Do not use liquids.
• Step 3 – Reseat the battery: Reinstall the battery firmly until you hear/feel a click. A loose Jimmy slide-in battery will trigger E1. Try powering on again.
• Step 4 – Test with charger connected (if model supports): Some Jimmy cordless vacuums can briefly power on while on the dock. If it runs only when docked, the battery pack is likely defective.
• Step 5 – Replace suspect parts: If the battery never charges (no LED progress) or E1 persists after a full charge, replace the Jimmy lithium battery pack. If a known-good battery still shows E1, the main control PCB in the handle may be faulty and should be replaced by a qualified technician.