Causes: The laser beam sensor cannot detect laser beam. (The sensor signal does not change.)
Remedy: Case 1 Trouble position/cause Bad connection of the signal line between the ICU MAIN PWB and the scanner (writing) unit. Remedy (Check) Check connection between the ICU MAIN PWB and the scanner (writing) unit. (Repair) Replace the cable and the connector between the ICU MAIN PWB and the scanner (writing) unit. / Power Source-ON Case 2 Trouble position/cause Scanner (writing) unit trouble (Scanner (writing) motor trouble / Laser beam sensor trouble / Optical system dirt) Remedy (Check) Check the scanner (writing) unit operation. (SIM 61-1) (Repair) Replace the scanner (writing) unit. / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10. Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) Replace the ICU MAIN PWB. / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.) Note Case 4 Trouble position/cause Scanner (writing) unit power line (24V/5V) trouble Remedy (Check) Check the door switch (DSWF). / Check the fuse (F706). (Repair) Replace the door switch (DSWF). / Replace the fuse (F706). / Power Source-ON
Code: E7 25
Description: Laser beam detection trouble (CYAN)
Causes: The laser beam sensor cannot detect laser beam. (The sensor signal does not change.)
Remedy: Case 1 Trouble position/cause Bad connection of the signal line between the ICU MAIN PWB and the scanner (writing) unit. Remedy (Check) Check connection between the ICU MAIN PWB and the scanner (writing) unit. (Repair) Replace the cable and the connector between the ICU MAIN PWB and the scanner (writing) unit. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Scanner (writing) unit trouble (Scanner (writing) motor trouble / Laser beam sensor trouble / Optical system dirt) Remedy (Check) Check the scanner (writing) unit operation. (SIM 61-1) (Repair) Replace the scanner (writing) unit. / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10. Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) Replace the ICU MAIN PWB. / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.) Note Case 4 Trouble position/cause Scanner (writing) unit power line (24V/5V) trouble Remedy (Check) Check the door switch (DSWF). / Check the fuse (F706). (Repair) Replace the door switch (DSWF). / Replace the fuse (F706). / Power Source-ON
Causes: The laser beam sensor cannot detect laser beam. (The sensor signal does not change.)
Remedy: Case 1 Trouble position/cause Bad connection of the signal line between the ICU MAIN PWB and the scanner (writing) unit. Remedy (Check) Check connection between the ICU MAIN PWB and the scanner (writing) unit. (Repair) Replace the cable and the connector between the ICU MAIN PWB and the scanner (writing) unit. / Power Source-ON Case 2 Trouble position/cause Scanner (writing) unit trouble (Scanner (writing) motor trouble / Laser beam sensor trouble / Optical system dirt) Remedy (Check) Check the scanner (writing) unit operation. (SIM 61-1) (Repair) Replace the scanner (writing) unit. / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10. Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) Replace the ICU MAIN PWB. / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.) Note Case 4 Trouble position/cause Scanner (writing) unit power line (24V/5V) trouble Remedy (Check) Check the door switch (DSWF). / Check the fuse (F706). (Repair) Replace the door switch (DSWF). / Replace the fuse (F706). / Power Source-ON
Causes: The laser beam sensor cannot detect laser beam. (The sensor signal does not change.)
Remedy: Case 1 Trouble position/cause Bad connection of the signal line between the ICU MAIN PWB and the scanner (writing) unit. Remedy (Check) Check connection between the ICU MAIN PWB and the scanner (writing) unit. (Repair) Replace the cable and the connector between the ICU MAIN PWB and the scanner (writing) unit. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Scanner (writing) unit trouble (Scanner (writing) motor trouble / Laser beam sensor trouble / Optical system dirt) Remedy (Check) Check the scanner (writing) unit operation. (SIM 61-1) (Repair) Replace the scanner (writing) unit. / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10. Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) Replace the ICU MAIN PWB. / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.) Note Case 4 Trouble position/cause Scanner (writing) unit power line (24V/5V) trouble Remedy (Check) Check the door switch (DSWF). / Check the fuse (F706). (Repair) Replace the door switch (DSWF). / Replace the fuse (F706). / Power Source-ON
Code: E7 30
Description: ICU PWB FLASH ROM trouble
Causes: "After turning ON the power, consistency of the ICU MAIN PWB and the ROM (FLASH ROM) is checked and no consistency is found."
Remedy: Case 1 Trouble position/cause ICUMAIN PWB trouble / ICU MAIN PWB ROM(FLASH ROM) trouble Remedy (Check) Check whether the installed ICU MAIN PWB or the ICU FLASH ROM is of the other model (AR-C100/150). (Repair) Replace the ICUMAIN PWB. / Replace the ICU MAIN PWB ROM(FLASH ROM). / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.)
Code: E7 90
Description: ICUMAIN PWB - PCU MAIN PWB communication trouble (PCU side detection)
Causes: Caused by line noise on the data line (Hardware trouble)
Remedy: Case 1 Trouble position/cause PCUMAIN PWB / ICU MAIN PWB signal line connection trouble Remedy (Check) Check connection of the signal line between the PCUMAIN PWB and the ICU MAIN PWB. (Repair) Repair or replace the cable and the connector between the PCUMAIN PWB and the ICU MAIN PWB. / Power Source-ON (After-work) Note Case 2 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.) Note Case 3 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) ICUMAIN PWB / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.)