October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Preliminary Checks

Confirm concern. Ensure battery is fully charged. Ensure window in question is properly aligned. Check the following for possible cause of malfunction:

Damaged track or regulator mechanism.
Malfunctioning window motor. See WINDOW MOTOR under TESTING.
Open or shorted circuit.