4.2.1.2 Lithium Battery
WARNING – A lithium battery is used for the real time clock.
Replace only with the same type or authorised equivalent. This battery is not rechargeable.
When the battery is replaced, re-enter the current date and time, using the menu functions,
to update the values in the real-time clock chip.
Expected Shelf Life: - > 10 years
Replacement Schedule: - 10 years for panels in continuous service
10 years for spares (i.e. when the panel / board is not powered)
Replace if the battery voltage falls below 2.6 volts.
Manufacturer / Part Number: - CR2032
4.2.2 Liquid Crystal Display
Expected Life: - > 10 years
Replacement Schedule: - When the display becomes difficult to read. The display contrast will
gradually fade with time.
Manufacturer / Part Number: - Replace the complete display / keyboard assembly. Spare part number
MXS 004.
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