Troubleshoong 9-31
Rev. 9-09-16 Part #C-00084
www.NabcoEntrances.com Magnum 4A Control Wiring and Adjustment Manual
Trouble
Possible Cause Action
Safety Sensor does
not function.
No power to sensor.
Sensor may not be properly
X
• Terminals 5 (Red) and Terminal 4 (White).
X
•
instead of On or vise versa.
X
X
Side Presence Sensor is
activated by opening or
closing door.
Red Wire and Terminal (4) White Wire.
Sensor, safety mats,
holding beams, or all other
accessories mounted on
swing side of door do not
function while door
is moving.
Wiring harness was to
Sensor shows activation
signal was sent, but door
does not open.
Sensor not properly connected
activation circuit.
Safety signal preventing door
from opening.
One sensor does not
activate both doors on a
simultaneous pair.
Sensor is not connected to both
control boards.
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