SOMMER RDC Vision+ - Page 41

41
Problem Possible cause Remedy
Automatic closing
function is not
working
• Persistent door OPEN command. LED
onthe▲buttonontheconnectionfor
external buttons lights up continuously
(external button may be defective)
• External timer connected - This is not a fault!
See “DIP switch 1: Setting automatic closing
function – dening basic values” on page 24.
• Replacing an external button
• Photo eye interrupted. LED on terminal
of the photocell blinks once intermittently
• Remove obstacle.
• Check wiring and function of photocell.
12. Troubleshooting