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Sensor Board Replacement
To replace the sensor board, follow these instructions.
1.
Ensure that power has been removed from the control unit and sen-
sor.
2.
Disconnect all wires from the sensor board.
3.
Remove the two screws holding the triacs to the case (upper right
corner of the board).
4.
Remove the remaining three mounting screws from the sensor board.
5.
Reverse the order to install the new sensor board.
Figure 7-6. Sensor board replacement.
Service and Parts | 7-11
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Troubleshooting
