Diagnostics information 2-33
4513-220, -230
NVRAM failure
Error codes 950–954 indicate a problem in the NVRAM (nonvolatile random access memory). Replace the
operator panel assembly. Codes 955–959 indicate a failed controller board assembly. Replace the controller
board.
Service tertiary error codes: NVRAM failure
RAM memory error
Indicates an error in the RAM memory.
Lights
Service secondary codes: 95x ✷ ✷ ✷
Service tertiary codes: NVRAM failure
950: Secure EEPROM data does
not match NVRAM
✷
951: Secure EEPROM failure ✷ ✷
952: NVRAM CRC failure ✷ ✷
954: NVRAM chip failure ✷ ✷
955: Code ROM or NAND failed
CRC
✷ ✷ ✷
956: Processor failure ✷ ✷ ✷
957: ASIC failure ✷ ✷ ✷ ✷
958: NAND failure ✷ ✷
959: SRAM failure ✷ ✷ ✷
Lights
Service secondary codes: 96x
Service tertiary codes: RAM memory error
960: Service RAM memory error ✷
961: Service RAM memory error ✷ ✷
962: Service RAM memory error ✷ ✷
963: Service RAM memory error ✷ ✷ ✷
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