Lexmark C510 Service Manual - Page 83

5021-0XX Error code Action 946 Engine controller hardware error Turn power off and then back on. If error still exists, replace engine controller board. Go to "Engine controller board removal" on page 4-55. 947 Process timing clock error Indicates synchronization signal from main motor (MM) is not inputted. Go to "911-Main motor service check" on page 2-48. 953 NVRAM chip failure Indicates engine board NVRAM failed. Replace engine controller board. Go to "Engine controller board removal" on page 4-55. 954 NVRAM CRC failure Indicates the operator panel failed CRC check. Replace the operator panel cable. Go to "Operator panel cable removal" on page 4-54. 955 Code CRC Indicates that on-board NAND flash located on RIP board has failed CRC check. Replace RIP board. Go to "RIP board removal" on page 4-45. 955 Code ECC Indicates that on-board NAND flash located on RIP board has failed CRC check. Replace RIP board. Go to "RIP board removal" on page 4-45. 956 Processor failure Indicates a problem with RIP board processor. Replace RIP board. Go to "RIP board removal" on page 4-45. 957 ASIC failure Indicates a problem with RIP board ASIC. Replace RIP board. Go to "RIP board removal" on page 4-45. 958 NAND failure Indicates that on-board NAND flash located on RIP board has failed. Replace RIP board. Go to "RIP board removal" on page 4-45. 959 SRAM failure Indicates a problem with RIP board SRAM. Replace RIP board. See "RIP board removal" on page 4-45. 960 Memory error Indicates that RIP board soldered RAM is bad. Replace RIP board. Go to "RIP board removal" on page 4-45. Diagnostic information 2-5