Installation and Commissioning

Maintenance2.8 RAM Battery lifetimeThe maximum service lifetime of the lithium battery is five years. The lifetime is influencedby the installed memory board type and by the lenght of time the system is withoutpower.The following table indicates the minimum time, in months, that memory will be heldif the system is without power:Memory board size First battery Both batteries4 MB 6 126 MB 5 108 MB 6.5 1316 MB 5 10A battery test is performed during the following occasions:1. System diagnistics (before softeware installation). Failing test results in one of thefollowing messages on the display:- “Warning: Battery 1 or 2 < 3.3V” i.e. one of the batteries is empty.- “Error: Battery 1 and 2 < 3.3V” i.e. both batteries are empty.2. Warm start. Failing test results in one of the following messages on the display:- 31501 Battery voltage too low on battery 1.- 31502 Battery voltage too low on battery 2.- 31503 Battery voltage too low on both batteries.8 Product Manual IRB 1400