The state (on/off) of the lower fold plate HP sensor did not change within 1 sec.
after the fold plate motor (L) switched on
• Undetected paper or scraps have jammed the fold mechanism
• HP sensor harness loose, broken, defective
• Motor harness loose, broken defective
• HP sensor defective
• Motor defective
• MCU defective
SC790
Fan folder PCB fan motor error
A motor lock signal was detected at the PCB cooling fan for more than 20 sec. after
the fan was switched on.
• Fan overloaded due to physical obstruction
• Fan motor harness loose, broken, defective
• Fan motor defective
• MCU defective
Group 800
SC816 A
Energy save I/O sub system error GW
An error occurred in the energy save sub system. This error occurs only when energy
sub system module such as ASIC Whistle is present.
• Cycle the machine power off/on
• If cycling the machine off/on does not restore normal operation, replace the
IOB.
SC817 D
Monitor Error GW
This is a file detection and electronic file signature check error when the boot loader
attempts to read the self-diagnostic module, system kernel, or root system files from
the OS Flash ROM, or the items on the SD card in the controller slot are false or
corrupted.
• OS Flash ROM data defective; change the controller firmware
5. Appendix: Service Call Conditions
58
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