Troubleshooting; Diagnostic Chart - Chamberlain J Owner's Manual

DIAGNOSTIC CHART

The logic control board has several LED's 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.

ORDER LED
1 Power
2 Stop
3 Open
4 Close
5 Eyes
6 Timer Defeat
7 OLS
8 CLS
9 SLS
10 Edge
11 Mid Stop
12 Timer Enabled
13 SBC
14 MAS
15 Relay A
16 Relay B
T R O U B L E S H O O T I N G
COLOR
Green Indicates that power is being generated for the logic board.
Green Indicates a short between common and terminal 5. Pressing
stop should turn off this LED.
Yellow Indicates a short between common and terminal 7. Pressing
the open button should turn ON this LED.
Yellow Indicates a short between common and terminal 6. Pressing
the close button should turn ON this LED.
Green Solid on indicates photo eyes learned. Flashing indicates
photo eyes need to be connected or obstructed. Solid off
indicates no eyes learned.
Yellow Solid on indicates a short between common and terminal
12. Timer to close will not close.
Yellow Pressing the Open Limit Switch should turn ON this LED.
Yellow Pressing the Close Limit Switch should turn ON this LED.
Yellow Pressing the Sensing Limit Switch should turn ON this LED.
Yellow Indicates a short between common and terminal 8. Pressing
the edge should turn ON this LED.
Yellow Solid on indicates door is stopped on up or down mid stop.
Flashing indicates MID STOP is being set.
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.
Yellow Indicates a short between common and terminal 1. Pressing
the single button control station should turn ON this LED.
Yellow Indicates the Maintenance Alert System has been activated
or an error code has been triggered.
Yellow Indicates open or close command has been given to the
motor. LED turns on when OPEN/CLOSE button is pressed.
Yellow Indicates open or close command has been given to the
motor. LED turns on when OPEN/CLOSE button is pressed.
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DEFINITION