SN 0636EXB01288-2-003936 checking or repairing the connection from the seat, through the adjustable slide tube to the control panel. We had not moved the chair forward or after during the six years we used it several times weekly and recently when adjusting it for a shorter person, it ceased working. Err 1 code shows on the panel and a BEEP BEEP PAUSE continual signal, 2 quick beeps, pause, accompanies it. PATRICK RICHARDSON 1002 DELPHI AVE FRANKFORT IN 46041 765 659 2630 765 242 7420 CELL