WEC8500/8050 Maintenance Manual Version 5.1Samsung Electronics America page 9 of 87CHAPTER 1. System ManagementThis chapter describes the symptoms of the APC system and their solutions.1.1 System BootingThis section describes the symptoms occurring during the system booting, their causes andsolutions.1.1.1 Booting failure due to system overheatingWhile the APC system is booting, if the boot loader detects system overheat, booting isstopped and power is automatically turned off to protect the hardware from any possibledamages.SymptomsDuring the booting, the ‘CPU overheat detected’ log indicating overheating of the centralprocessing unit (CPU) is displayed in the boot loader, and then the power is automaticallyturned off. WEC8500: The power is still supplied to the power module and the fan of the powermodule remains operational. WEC8050: For there is no separate power module, the fan does not operate afterpower-off.SATA link up 3.0 Gbps (SStatus 123 SControl 320)scanning bus for devices...Device 0: (0:0) Vendor : ATA Prod.: SanDisk SSD P4 1 Rev: SSDType : Hard DiskCapacity : 15272.0 MB = 14.9 GB (31277232 x 512)USB : USB EHCI 1.00scanning bus for devices... 2 USB Device(s) foundType the command 'usb start' to scan for USB storage devices.boot partition: 2CPU overheat detected (cpu:91, thr: 85)
