Display Controller Board - Chamberlain Icon26 series Owner's Manual

DISPLAY CONTROLLER BOARD

1
2
3
4
5
11
10
Power Input
Overvoltage
OVRV
BUSY
6
12 VAC Input
1
12 VAC Output - (Not used)
2
Battery - (On/Off switch input)
3
Input/Output
4
Comm Port - (Connected to processors parallel port)
5
Sensor Input
6
Large Display Contrast Adjustment -
7
(Clockwise-Lighter Contrast, Counterclockwise-Darker Contrast)
ON: System is working using battery power.
Batt
8
OFF: System is working using transformer power.
ON: System has power (Transformer, Battery).
9 Power
OFF: System has no power (Transformer, Battery).
ON: Incorrect transformer voltage (Overvoltage).
10 OVRV
OFF: Proper transformer voltage (Transformer plugged in).
ON: LED flashes when receiving data from processor.
Busy
11
OFF: No data being received from processor.
Icon Page
37
7
Display Contrast
Adjustment
Battery
BATT
Power
Power
POWER
9
8