. Various Medtronic Lifepak 12 - Coin-cell battery replacement free download

File name Medtronic Lifepak 12 - Coin-cell battery replacement.pdf

LIFEPAK 12 Coin-cell battery replacement Besides the Time and date, the LIFEPAK 12 has a coin-cell battery that holds both hardware and user configurations in its NVRAM. The main batteries and/or the separate power supply allow power-on access to setting user configuration, but will not hold the memory when the coin-cell is removed. Physio-Control, Inc. recommends replacing the LIFEPAK 12 coin-cell at 5-year intervals to avoid costly service rep intervention. During replacement, it is imperative to maintain power across the coin-cell slot. First, here is a drawing that indicates the orientation of the coin-cell battery, the connector where ground is accessed, and the placement of the surrogate power supply: Connect your negative lead to pin 1 of the two rows of test-points on the header near the bottom of the System PCBA. Connect the positive lead to the clip that holds the battery into the coin-cell slot