Description: Backup RAM error • Backup area has been altered.
Causes: Problem with a back-up memory data. The engine main PCB is defective.
Remedy: Open and close the detachable unit and run maintenance item U020 to format the backup memory data. If “C011” is displayed after formatting the backup memory data, replace the engine main PCB.
Code: C0210
Description: MMI communication error • Initial communication between IPU PCB and engine main PCB was still not complete after 50 seconds elapsed. • Retry was conducted 20 times after data was sent but there was still no response.
Causes: The engine main PCB or IPU PCB is defective.
Remedy: Replace the engine main PCB or the IPU PCB and check for correct operation.
Code: C0220
Description: Engine communication error • Initial communication between IPU PCB and engine main PCB is still not complete after a certain amount of time elapsed.
Causes: The engine main PCB or IPU PCB is defective.
Remedy: Replace the engine main PCB or the IPU PCB and check for correct operation.
Code: C0310
Description: HDC communication error • Retry was conducted 50 times after data was sent but there was still no response.
Causes: The engine main PCB or IPU PCB is defective.
Remedy: Replace the engine main PCB or the IPU PCB and check for correct operation.
Code: C0620
Description: Memory problem • No DIMM is detected in the memory slot.
Causes: DIMM is not installed correctly. The IPU PCB is defective.
Remedy: Reinstall the DIMM into CN7, CN8 and CN9 on the IPU PCB. (Be sure to install the DIMM into CN7 first.) Replace the IPU PCB and check for correct operation.
Code: C0800
Description: Image processing error • There has been no change in image processing ASIC status.
Causes: The IPU PCB is defective.
Remedy: Replace the IPU PCB and check for correct operation.