Received a DMS-BATT-001 replacement battery for a DMS panel and the battery voltage is not 3.6 VDC.

Issue

Received a DMS-BATT-001 replacement battery for a DMS panel and the battery voltage is not 3.6 VDC.

Product Line

TAC I/A Series

Environment

DMS-BATT-001, E17-131

Cause

The DMS-BATT-001 is a custom 3 cell rechargeable NICAD battery. The voltage of the replacement battery, as received from the factory, may be less than 3.6 VDC until the battery is recharged by the panel or device.

Resolution

Install the replacement battery and allow the panel or device to recharge the battery.  Once charged, the battery supplies the DMS-3500 series controller with battery backup of volatile program data for a minimum of 72 hours.