User's Manual

Using the A740 RTU
though, that the problem is really due to the battery and not to a defective or dirty
solar panel or a sensor drawing too much current.
Adcon highly recommends checking the solar panel’s condition and clean it
frequently Rain drops can splash thin layers of dust or soil onto the panels, thus
reducing their power output. The surrounding vegetation can also lower the panel’s
efficiency.
2.5.2 Changing the battery
If you have verified that the battery needs to be replaced, follow these steps to do
so:
1. Open the lid by unscrewing the four top screws on the side plates of the
addNODE RTU, and then remove the top as shown in Fig. 4.
Fig. 4: Removing the addNODE Lid
2. The battery pack is connected to the electronics board by means of a PCB
connector. Remove the battery pack’s plug from the PCB connector, as shown
in Fig. 5.
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