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Appendix b: replacing the back-up battery – Sensaphone 1400 User Manual

Page 105

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Appendix B: Replacing the Backup Battery

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APPENDIX B: Replacing the Back-up Battery

The back-up battery will provide about 3–5 years of service life
depending on usage and temperature. After 5 years (or when back-
up time is insufficient) the battery should be replaced. Replacement
batteries can be ordered from Sensaphone (Part number BAT-0020).
To replace the battery, follow the instructions below:

WARNING: When removing and replacing the bat-

tery, be careful not to short out the battery terminals

on the bracket or back panel. A large spark and/or

battery damage could result.

1. Turn the power switch off and unplug the power transformer.

2. Loosen the compression wiring connectors and allow 6-10" of

cable slack to come into the enclosure. This will make it easier
to turn the panel over.

3. Remove the four corner screws securing the keypad/pcb panel

and turn the panel over.

4. Remove the connectors from the battery by carefully pulling

and wiggling the connectors from the battery tabs.

5. Remove the screws holding the battery bracket and remove the

bracket.

6. Dispose/Recycle the old battery following local disposal

regulations for lead batteries.

7. Attach the battery connector at the end of the BLACK wire to

the

-

(negative) terminal of the new battery.

8. Attach the battery connector at the end of the RED wire to the

+

(positive) terminal of the new battery.

9. Insert the new replacement battery into the slot and replace the

bracket. Secure the bracket with the two screws.

10. Place the main panel over the four metal stand-offs and

reattach the four corner screws.