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How do I initiate a backup on my LTMCUF keypad

Published date: 28 November 2018

Issue:
Tesys T unit with LTMCUF keypad shows F09 fault code when powered.  Customer is not using the FDR function.

Product line:
Tesys T, LTMR, LTMCUF

Environment:
Tesys T systems equipped with LTMCUF remote keypad.

Cause:
On initial power a backup function must be performed to backup a copy of the program to the LTMCUF keypad.

Resolution:
To initiate a backup function, press and hold the 2 round buttons with green circles around them for 3-4 seconds.  This will initiate a backup function and save a copy of the current program on the Tesys T into the keypad.   After this has completed, cycle power on the LTMR and it should boot without the F09 fault code.

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