Causes: [6101] MAC address check sum error The result of the MAC address check sum does not match the check sum stored in ROM. [6104] PHY IC error The PHY IC on the controller cannot be correctly recognized. [6105] PHY IC loop-back error An error occurred during the loop-back test for the PHY IC on the controller. - Replace the controller.
Remedy:
Code: 824
Description: [1401] Self-diagnosis error: Standard NVRAM The controller cannot recognize the standard NVRAM installed or detects that the NVRAM is defective.
Causes: [1501] The one second counted by the RTC is different from the one second counted by the CPU on the i-controller. • Defective the RTC device Replace the RTC device.. [15FF] The RTC device is not detected. • Defective RTC device • NVRAM without RTC installed • Discharged backup battery Replace the NVRAM with another NVRAM with an RTC device.
Remedy:
Code: 827
Description: Self-diagnostic error: Standard SDRAM DIMM [XXXX]: Detailed error code
Causes: [0201] Verification error Error detected during a write/verify check for the standard RAM (SDRAM DIMM). • Loose connection • Defective SDRAM DIMM • Defective controller 1. Turn the main switch off and on. 2. Replace the SDRAM DIMM. 3. Replace the controller. [0202] Resident memory error The SPD values in all RAM DIMM are incorrect or unreadable. • Defective RAM DIMM • Defective SPD ROM on RAM DIMM • Defective 12C bus 1. Replace the RAM DIMM.
Remedy:
Code: 828
Description: Self-diagnostic error: ROM [XXXX]: Detailed error code
Causes: [0101] Check sum error 1 • The boot monitor and OS program stored in the ROM DIMM is checked. If the check sum of the program is incorrect, this SC code is displayed.
Causes: [0401] Verification error (Slot 1) The data stored in the optional RAM in Slot 1 does not match the data when reading. • Not specified RAM DIMM installed • Defective RAM DIMM
Remedy: 1. Replace the RAM DIMM. 2. Replace the controller board.