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31
SYMPTOM DIAGNOSIS CHECK
Cycle LED ON brightly
Status Light ashes
Cycle terminal shorted to Com • Pushbuttonorkeyonkeypadis
stuck.
• Wirebetweenpushbutton,
keypad, etc. and cycle terminal is
shorted
• Checkterminalvoltagewith
respect to Com to ensure you
read 12 vdc.
Safety LED ON
brightly Status Light
ashes
Safety terminal shorted to Com • Photobeamorloopdetectoris
sensing a presence.
• Relayonphotobeamorloop
detector is shorted or latched.
• Wirebetweenphotobeam
or loop detector and safety
terminal is shorted.
• Checkterminalvoltagewith
respect to Com to ensure you
read 12 vdc.
Shadow LED ON
brightly Status Light
ashes
ShadowterminalshortedtoCom • Photobeamorloopdetectoris
sensing a presence.
• Relayonphotobeamorloop
detector is shorted or latched.
• Wirebetweenphotobeamor
loopdetectorandshadow
terminal is shorted.
• Checkterminalvoltagewith
respect to Com to ensure you
read 12 vdc.
Open Edge LED ON
brightly Status Light
ashes
OpenEdgeterminalshortedtoCom • Edgesensorissensingan
obstruction.
• Relayfromedgesensoris
shorted or latched.
• Wirebetweenedgesensorand
open edge terminal is shorted.
• Checkterminalvoltagewith
respect to Com to ensure you
read 12 vdc.
GP-SW050 Visual Feedback