No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
690 D GAVD communication error
• The I2C bus device ID is not identified during initialization.
• A device-status error occurs during I2C bus communication.
• The I2C bus communication is not established due to an error other than a
buffer shortage.
• Loose connection
• Defective BCU
• Defective LD controller board
1. Turn the main switch off and on.
2. Check the cable connection.
3. Replace the laser unit.
4. Replace the BCU.
SC8xx: Overall System
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
816 CTL
D
Energy saving I/O sub-system error
The energy saving I/O sub-system detects an error.
• Controller board defective
Replace the controller board.
No. Type Details (Symptom, Possible Cause, Troubleshooting)
840-00 B EEPROM error 1: EEPROM access CTL
• During the I/O processing, a read error occurred. The 3rd reading
failure causes this SC code.
• During the I/O processing, a write error occurred.
• Defective EEPROM
SC Tables
599
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