90 InStALLAtIon And opErAtIon mAnuAL 25-13741-E January 2020 www.eaton.com16. Maintenance (As per BS 5839 – 9:2011)VoCALL 16 firmware release maintains back compatibility with earlier firmwareon the devices. However, it is recommended to update firmware on all devices tocurrent release. Firmware files of all released versions are availableon SD card.ote:n When updating firmware for both Panel and Outstation, it is recommended toupdate Outstation firmware first, followed by Panel.ote:n Values of configuration parameters are retained while upgrading the firmware.ote:n Firmware upgrade action is recorded in event log.16. Maintenance (As per BS 5839 – 9:2011)The section describes briefly the relevant requirements of BS5839-9:2011 formaintenance of VoCALL 16 system. If local regulations, standards and codes calls forstringent requirements, those need to be followed.16.1 ResponsibilityA person / organization should be appointed for maintenance of VoCALL 16 EVCsystem. The responsible individual is expected to have been trained on system usageand maintenance by the manufacturer or installer of the system. The responsibilitiesinclude (but are not limited to below):1. Ensuring maintenance routine described in Section 16.2 is performedas described.2. Ensuring all required records of maintenance is maintained.3. Ensuring all relevant staff are trained to use the system4. Ensuring that records are updated to reflect any changes madeto the system.16.2 Routinedaily checkIf the VoCALL 16 system is installed in a location where audible fault warnings couldbe unnoticed for more than 24 hours, a special check should be performed each dayto confirm that the “System Healthy” LED is illuminated and LCD indicates‘System OK’, or any faults that are indicated are receiving necessary attention.ote:n This check only needs to be performed if the Buzzer could go unheardfor 24 hours. This inspection does not need to be recorded.Weekly checkA functional test of the outstation should be performed to ensure it can make andreceive clear and intelligible calls to the relevant panel. A different outstation shouldbe used each week, so that all units will get tested in rotation.