If upgrading to an ELCN node, perform Steps 1 thru 6 to remove the LCNP4 board.
To replace the LCNP4E board
1. Perform the steps to remove the access panel. Refer to the section
2. Locate the blue tab and lift the blue latch up as illustrated
3. To disengage the thumbscrew, turn the blue latch 180 degrees (counter clock-wise) as illustrated.
The following image illustrates the thumbscrew disengaged.
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Chapter 5 - Servicing
