50Siemens Building TechnologiesFire Safety & Security Products 10.200810.3.4 VisiPC self-testsA full list of all the VisiPC self-tests that can be selected is contained in Tab. 38.Refer to the VisiPC Software User Manual for full details.VisiPC SettingsTest Type Test LevelHardwareRequiredPrecautions DescriptionAll start-up tests None Repeats all start-uptestAll internal tests None Serial input signalsshould be removed ordisabled during testingTests all internaldevicesAll testsAll external tests Loopback connectors fittedto all serial portsSee Tab. 39 Tests serial ports vialoopbacksAddress decoder Unused NoneAll Flash areas None Tests all thefollowing areasFBL software None Test Flash BootLoader softwareController software None Tests ControllerSoftwareFPGA data None Tests FPGA dataUser Config data NoneFlashNote: A failure of User Config data is indicated if config data has not been loaded – thisdoes not indicate a hardware fault.Tests Fixed,Variable and Defaultconfiguration data.Do not save results None Re-detects optioncardsSave results to flash None Required if cards havebeen changed andconfig data notreloadedAuto-detecthardwareTip: Saving auto-detection results to flash is a quicker way of registering changes inoption card positions than re-loading configuration data, but has the same effect.Re-detects optioncards and savesresults to Flash.SRAM Unused None Tests all static RAMmemoryUnused NoneBattery-backedSRAM Note: A failure of Battery-Backed SRAM is indicated after loading new config data – thiscan be ignored. Press the rear panel CPU reset button and repeat the test.Tests all battery-backed SRAM, usedfor holding matrixstate while powereddownInternal loopback None Serial input signalsshould be removed ordisabled during testingTests all serial portsusing internalloopback switchingSerial portsExternal loopback Loopback connectors fittedto all serial portsSee Tab. 39 Tests all serial portconnections viaexternal loopbackconnectorsReal-time clock Unused None Tests the clockdeviceSCB registers Unused None Tests internal SerialControl Buscommunication