Service Manual
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... support. Replace the engine board. Replace the controller board. Indicates the NVRAM experienced a CRC failure. 4045-XXX Error Code Action 939 Controller Engine Communications Error The controller board and the engine board cannot communicate with one another. Contact your next level for correct installation and... Board Failure SRAM Failure 947 Engine Board 953 NVRAM Failure 954 NVRAM Failure 960 RAM Memory Error Note: The controller software also can cause a 939 error code. Replace the controller board. Replace the controller board. Diagnostic Information 2-3
... support. Replace the engine board. Replace the controller board. Indicates the NVRAM experienced a CRC failure. 4045-XXX Error Code Action 939 Controller Engine Communications Error The controller board and the engine board cannot communicate with one another. Contact your next level for correct installation and... Board Failure SRAM Failure 947 Engine Board 953 NVRAM Failure 954 NVRAM Failure 960 RAM Memory Error Note: The controller software also can cause a 939 error code. Replace the controller board. Replace the controller board. Diagnostic Information 2-3