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Troubleshooting
9-31
Rev. 9-09-16
Part #C-00084
Magnum 4A Control Wiring and Adjustment Manual
Trouble
Possible Cause
Action
Safety Sensor does
not function.
No power to sensor.
Check wiring on harness and power to sensor.
Sensor may not be properly
connected to Terminal Block.
1.►Go to Terminal Block.
2.►Connect the output of sensor to:
X
Header mounted sensor:
• Terminals 5 (Red) and Terminal 4 (White).
X
Door mounted sensor:
•
Terminals 5 (Red) and Terminal 3 (Violet).
Dip Switch (2) Safety may be Off
instead of On or vise versa.
X
Sensors using N.O. Contacts, turn Dip Switch ON.
X
Sensors using N.C. Contacts, turn Dip Switch OFF.
Header mounted Swing
Side Presence Sensor is
activated by opening or
closing door.
Connection of Sensor to
Terminal Block was to
“Continuous Safety” not “Safety
w/Lockout”.
1.►Rewire Safety Sensor to “Safety w/Lockout”.
2.►Go to Terminal Block.
3.►Connect the output of the Sensor to Terminal (5)
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.
Connection of Sensor to
Wiring harness was to
“Safety w/Lockout” not
“Continuous Safety”.
1.►Rewire Safety Sensor to “Continuous Safety”.
2.►Go to Terminal Block.
3.►Connect the output of the Sensor to Terminal (5)
Red Wire and Terminal (3) Violet Wire.
Sensor shows activation
signal was sent, but door
does not open.
Sensor not properly connected
activation circuit.
Check wiring on harness.
Safety signal preventing door
from opening.
Correct cause of safety signal.
One sensor does not
activate both doors on a
simultaneous pair.
Sensor is not connected to both
control boards.
Install simultaneous pair harness (P/N 22-9953).