Kyocera FS-1128MFP Service Manual - Page 129
Control PWB RAM checksum error, Control PWB engine communication
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2JN-1 Code F020 F040 F041 F050 F186 Contents Causes Remarks Check procedures/corrective measures Control PWB RAM checksum error Defective main Turn the main power switch off/on to restart memory (RAM) on the machine. If the error is not resolved, the control PWB. replace control PWB (See page 1-5-39). Defective Replace the expanded memory (DIMM). expanded memory (DIMM). Control PWB engine communication error A communication error is detected. Defective control PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace control PWB (See page 1-5-39). Control PWB - scanner PWB commu- Defective control nication error PWB or scanner A communication error is detected. PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace control PWB or scanner PWB (See page 1-5-39 or 1-5-49). Control PWB engine checksum error Some error may have occurred when downloading the firmware of the control PWB. Download the firmware of the control PWB again (See page 1-6-1). Defective control PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace control PWB (See page 1-5-39). Control PWB video data control error Defective control PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace control PWB (See page 1-5-39). 1-4-11