Description: Engine total counter error
The checksum of the total counter is not correct.
Causes: • NVRAM on the BICU defective
Code: 928
Description: Memory error
The machine detects a discrepancy in the write/read data during its write/read test (done at power off/on and at recovery from low power or night/ off mode).
Causes: • Memory defective
• BICU defective
• Poor connection between BICU and memory
Code: 929
Description: IMAC hardware error
A memory control job is not completed within a certain period.
Causes: • BICU defective
• Poor connection
Code: 981
Description: NVRAM error
The machine detects a discrepancy in the NVRAM write/ read data when attempting to save actual data to the NVRAM (i.e. during actual use).
Causes: • NVRAM defective
• Poor connection between BICU and NVRAM
• NVRAM is not connected
• BICU defective
Code: 982
Description: Localization error
The localization settings in the nonvolatile ROM and RAM are different (SP5807).
Causes: • First machine start after the NVRAM is replaced
• Incorrect localization setting
• NVRAM defective