Andover Controls DCX 250, Installation Manual

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Hardware Installation
DCX 250 Installation Guide 15
To start the controller, turn on the AC power source (or close the power
connection) and the controller starts automatically.
Figure 8. Location of Battery, Indicator Lights, and Reset Button,
Inside, on Back of DCX 250 Display
Checking That Controller Is Operating
Lift off the front display panel on the DCX 250. Inside, on the back of
the display, are the indicator lights.
The illustration above shows the RD (green) and TD (yellow) lights to
the far left middle and the green CPU light near the center. The small
red square to the upper right of the CPU light is the RESET button.
Once the controller starts, the following occurs (and also occurs if you
press RESET):
1. The CPU light begins flashing and flashes every .2 sec.
2. The TD light immediately starts flashing after you let go of the
button to show data is being transmitted.
3.6 V Lithium
Battery
RD Light
TD Light
Reset
Button
CPU Light
LCD View
Angle ADJ
Test
Pins
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