Description: Control PWB - Operation panel PWB communication error
Causes: Defective harness between operation panel PWB (YC1) and control PWB (YC7), or improper connector insertion. Defective operation panel PWB. Defective control PWB.
Remedy: Defective harness between operation panel PWB (YC1) and control PWB (YC7), or improper connector insertion. Reinsert the connector. Also check for continuity within the connector harness. If none, remedy or replace the harness. Defective operation panel PWB. Replace the operation panel PWB. Defective control PWB. Replace the control PWB.
Code: F020
Description: Control PWB RAM checksum error
Causes: Defective main memory (RAM) on the control PWB. Defective expanded memory (DIMM).
Remedy: Defective main memory (RAM) on the control PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace control PWB. Defective expanded memory (DIMM). Replace the expanded memory (DIMM).
Code: F040
Description: Control PWB engine communication error A communication error is detected.
Causes: Defective control PWB.
Remedy: Defective control PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace control PWB.
Code: F041
Description: Control PWB - scanner PWB communication error A communication error is detected.
Causes: Defective control PWB or scanner PWB.
Remedy: Defective control PWB or scanner PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace control PWB or scanner PWB.
Code: F050
Description: Control PWB engine checksum error
Causes: Some error may have occurred when downloading the firmware of the control PWB. Defective control PWB.
Remedy: Some error may have occurred when downloading the firmware of the control PWB. Download the firmware of the control PWB again. Defective control PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace control PWB.
Code: F186
Description: Control PWB video data control error
Causes: Defective control PWB.
Remedy: Defective control PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace control PWB.