GE GFK-2251 manual Cmos Checksum Error, To replace the battery

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CMOS Checksum Error

If the CMOS battery has failed, the following error messages will be displayed on the screen:

CMOS checksum error - Defaults loaded

CMOS battery failed

To replace the battery:

The Panel C uses a Panasonic 3V battery, part number BR2032 or Duracell part no 2032. Only replace the battery with this type or equivalent.

Warning

Battery may explode if mistreated. Do not recharge, disassemble, or dispose of in fire

1.To remove the battery, press down on the removal tab (shown in one of the socket pictures). The side of the battery opposite the removal tab will eject from the retainer clip, allowing the battery to be removed from the socket.

Removal tab

2.To install the replacement battery, position the battery with its '+' side on top and slide the battery into the socket at a slight angle under the removal tab. Press the battery down to snap it in place.

Note: The socket will not allow the battery to be inserted incorrectly ('+' side down).

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Panel C Industrial Computer Hardware User's Manual – May 2003

GFK-2251

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Contents GE Fanuc Automation As Used in this Publication Preface Content of This ManualPage Contents Contents Cmos Checksum Error Example of Cable Shield Clamping Assembly Installation I/O Port Range Table Panel C Industrial Computer Features Feature Description Feature SummaryFront Panel Keypads Removable Hard Disk DriveStatus LEDs Channels Front Access PanelEthernet port and side expansion slots Network InterfaceApplication Software Expansion SlotsSetup Chapter Powerup and Software InstallationStartup for Windows NT Systems Startup for Windows 2000 Systems GFK-2251 GFK-2251 Powerup and Software Installation GFK-2251 GFK-2251 Powerup and Software Installation Directory Structure Installing Application SoftwareShutting Down the Computer Image RecoveryChapter Hardware Installation Cutting the Panel Cutout Installation GuidelinesAC Input Power Panel MountingPanel C Industrial Computer Dimensions Installing Panel Mounting ClipsInstalling Retaining Clips Blanking Plates Installing Expansion CardsConfiguring Expansion Cards Legacy ISA Only Chapter Connectors and Cabling Power Input Compact Flash Port Port ConfigurationsCommunications Ports USB PortsMouse and Keyboard Ports Pin Number Signal nameVideo Output Port Floppy Disk Drive and CD-ROM PortsPin Assignment Printer Port LPT1RS-232C Name Pin Assignment Serial Communication PortsEthernet Communication Port Pin No Signal DescriptionSix cable clamps included with assembly Ground Plate Outline, Mounting Dimensions, and Cable ClampExample of Cable Shield Clamping Assembly Installation Clamped Cable with Exposed Shield System Operation System Peripherals Operator Interfaces Period Membrane Keypad Scan Codes Touch Screen Driver for Windows Symbol Name FunctionControl and Status LEDs Touch ScreenNetwork Component Comments CommunicationsUSB Bios SettingsSystem Test and Initialization Diagnostics and TroubleshootingSelf-Test Diagnostics System Configuration VerificationDisplay TroubleshootingPowerup Symptom Possible Causes SolutionExternal PS/2 Mouse MemoryKeyboard PLC/PC Connection CommunicationsNetwork Communications To replace the battery Cmos Checksum ErrorIndustrial PC Chapter Technical Data Monitor SystemGFK-2251 Description Agency Standard CommentsGovernment Regulations Standards General SpecificationsApplies to CE Marked units Panel C Nonincendive Field Wiring Control Drawing #DR00Cmos IndexIndex