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DIAGNOSTIC CHART
The logic board has several LEDs to assist in the installation and troubleshooting of the operator. The following chart should assist in
verifying the operator is functioning properly. Turn the selector dial to DIAGNOSTIC to keep the door from moving while
troubleshooting.
TROUBLESHOOTING
Power Green Indicates that power is being generated for the logic board.
Stop Green Indicates a closed circuit between common and terminal 5. Pressing stop should turn off this LED.
Open Yellow Indicates a closed circuit between common and terminal 7. Pressing the open button should turn
ON this LED.
Close Yellow Indicates a closed circuit between common and terminal 6. Pressing the close button should turn
ON this LED.
Eyes Green Solid on indicates photo eyes learned. Flashing indicates photo eyes need to be connected or obstructed.
Solid off indicates no eyes learned.
Timer Defeat Yellow Solid on indicates a closed circuit between common and terminal 12. Timer to close will not close.
OLS Yellow Pressing the Open Limit Switch should turn ON this LED.
CLS Yellow Pressing the Close Limit Switch should turn ON this LED.
SLS Yellow Pressing the Sensing Limit Switch should turn ON this LED.
Edge Yellow Indicates a closed circuit between common and terminal 8. Pressing the edge should turn ON this LED.
Mid Stop Yellow Solid on indicates door is stopped on up or down mid stop. Flashing indicates MID STOP is being set.
Timer Enabled Green Solid on indicates TIMER is programmed and will activate from open or mid stop position. Flashing
indicates Timer is counting down and door will close after preset time.
SBC Yellow Indicates a closed circuit between common and terminal 1. Pressing the single button control station
should turn ON this LED.
MAS Yellow Indicates the Maintenance Alert System has been activated or an error code has been triggered.
Relay A Yellow Indicates open or close command has been given to the motor. LED turns on when OPEN/CLOSE button is
pressed.
Relay B Yellow Indicates open or close command has been given to the motor. LED turns on when OPEN/CLOSE button is
pressed.
LED COLOR DEFINITION