SOMMER RDC vision - Page 44

Fault Possible cause Action
Door can only be
opened or closed for
as long as a button
is pressed (dead
man operation).
Safety device triggered, e.g., light bar-
rier interrupted. Safety LED flashes 2x
intermittently.
• Check light barrier, e.g., power
supply.
• Remove obstacle.
Dead man operation activated, DIP
switch 7 “ON”.
• Deactivate dead man operation:
Set DIP switch 7 to “OFF”
• Note: Different safety regulations
apply to dead man operation than to
automatic operation.
Electrical safety contact strip activated,
faulty or not correctly recognised.
Safety LED flashes 1x
intermittently.
• Remove obstacle.
• Check electrical safety contact strip.
FRABA optical safety contact strip acti-
vated, faulty or not correctly recog-
nised. Safety LED flashes 1x
intermittently.
• Remove obstacle.
• Check optical safety contact strip.
No light at
connected warning
light.
Defective fuse. • Replace fuse.
Bulb defective. • Replace bulb.
Internal lighting not
lighting up.
Defective fuse. • Replace fuse.
Bulb defective. • Replace bulb.
Automatic close
function is not
working
Dead man operation activated. • Deactivate dead man operation:
Set DIP switch 7 to “OFF”
Persistent “OPEN” command. • External timer connected. This is not
an error, see Chapter 6.14
“Automatic closing function”.
Light barrier interrupted, faulty or not
correctly recognised. Safety LED
flashes 2x intermittently.
• Remove obstacle.
RDC vision
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