7-2 MaintenanceSYSTEM DIAGNOSTICSThe System Diagnostics runs several tests on the CPU blade.Select [Tool menu] - [Test and diagnostics] in the NEC EXPRESSBUILDER to diagnose thesystem.Test ItemsThe following items are tested in system diagnostics. Memory CPU cache memoryIMPORTANT: When executing the System Diagnostics, make sure todisconnect the CPU blade from the network. Executing the SystemDiagnostics with the CPU blade being connected to the network, thenetwork may be influenced.