• Code: C8101
• Description: Before reading pressure welding alienation mechanism
  •During a pressure motion being performed, the read roller sensor (PS6) output does not change from H to L. •During a retraction motion being performed, the read roller sensor (PS6) output does not change from L to H.
• Causes: Reading roller pressure/retraction motor (M4) Read roller sensor (PS6) DF control board (DFCB)
• Remedy: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. - - 2 Check the connector of M4 for proper drive coupling, and correct as necessary. - - 3 PS6 I/O check, sensor check DFCB PJ6-3 (ON) DF-618 I-4 4 M4 operation check DFCB PJ6-5 to 6 DF-618 I-4 5 Change M4 - - 6 DFCB PS3 conduction check - - 7 Change DFCB

• Code: C8102
• Description: Turn around pressure welding alienation trouble
  •During a pressure motion being performed, the reverse roller sensor (PS7) output does not change from H to L. •During a retraction motion being performed, the reverse roller sensor (PS7) output does not change from L to H.
• Causes: Switchback roller pressure/retraction motor (M5) Reverse roller sensor (PS7) DF control board (DFCB)
• Remedy: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. - - 2 Check the connector of M5 for proper drive coupling, and correct as necessary. - - 3 PS7 I/O check, sensor check REYB PJ3-3 (ON) DF-618 K to L-10 4 DFCB F9 conduction check - - 5 M5 operation check DFCB PJ6-10 to 11 DF-618 I-7 6 Change M5 - - 7 DFCB PS2 conduction check - - 8 Change DFCB

• Code: C8103
• Description: Lift up mechanism trouble (Upward movement)
  • The lift up upper sensor (PS16) is not turned ON after a lapse of a given time after the lift-up motor (M6) moves up (is turned forward).
• Causes: Lift-up motor (M6) Lift-up upper sensor (PS16) DF control board (DFCB)
• Remedy: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. - - 2 Check the connector of M6 for proper drive coupling, and correct as necessary. - - 3 PS16 I/O check, sensor check DFCB PJ11-3 (ON) DF-618 B-6 4 M6 operation check DFCB PJ5-6 to 7 DF-618 I-7 to 8 5 Change M6 - - 6 Change DFCB

• Code: C8104
• Description: Glass movement trouble
  • The glass home sensor (PS203) output does not change from H to L after a lapse of a given time while the original glass moving motor (M202) is working. • The glass home sensor (PS203) output does not change from L to H after a lapse of a given time while the original glass moving motor (M202) is working.
• Causes: Original glass moving unit Original glass moving motor (M202) Original glass position control board (OGPCB)
• Remedy: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. - - 2 Check the connector of M202 for proper drive coupling, and correct as necessary. - - 3 Change original glass moving unit - - 4 Change OGPCB

• Code: C8106
• Description: Lift up mechanism failure (Downward movement)
  • The lift up lower sensor (PS15) is not turned ON after a lapse of a given time after the lift-up motor (M6) goes down (is turned backward).
• Causes: Lift-up motor (M6) Lift-up lower sensor (PS15) DF control board (DFCB)
• Remedy: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. - - 2 Check the connector of M6 for proper drive coupling, and correct as necessary. - - 3 PS15 I/O check, sensor check REYB PJ3-6 (ON) DF-618 K to L-10 4 DFCB F9 conduction check - - 5 M6 operation check DFCB PJ5-6 to 7 DF-618 I-7 to 8 6 Change M6 - - 7 DFCB PS1 conduction check - - 8 Change DFCB

• Code: C8107
• Description: Glass cleaning mechanism trouble
  • The front side cleaning sensor (PS18) is not turned ON after the set period of time has elapsed after the front side cleaning motor (M8) is turned ON.
• Causes: Front side cleaning motor (M8) Front side cleaning sensor (PS18) DF control board (DFCB)
• Remedy: 1 Check the connector between M8-DFCB PJ5 for proper connection and correct as necessary. - - 2 Check the connector between PS18-DFCB PJ6 for proper connection and correct as necessary. - - 3 Check the connector of M8 for proper drive coupling, and correct as necessary. - - 4 PS18 I/O check, sensor check DFCB PJ6-6 (ON) DF-619 C-5 5 M8 operation check DFCB PJ5-1 to 4 DF-619 C-7 6 Change M8 - - 7 Change DFCB

• Code: C8302
• Description: Cooling fan failure
  • While the motor is running, the fan lock signal remains HIGH three times for a predetermined period of consecutive time.
• Causes: DF-618: Cooling fan (FM1) DF control board (DFCB).
  DF-619: Take-up cooling fan motor (FM1) DF control board (DFCB)
• Remedy: DF-618: 1 Check the connector of FM1 for proper connection and correct as necessary. - - 2 Check the fan for possible overload and correct as necessary. - - 3 FM1 operation check DFCB PJ7-1 to 3 DF-618 I-2 to 3 4 Change FM1 - - 5 DFCB F7 conduction check - - 6 Change DF.
  DF-619: 1 Check the connector of FM1 for proper connection and correct as necessary. - - 2 Check the fan for possible overload and correct as necessary. - - 3 FM1 operation check DFCB PJ13-1 to 3 DF-619 C-4 4 Change FM1 - - 5 DFCB ICP5 conduction check - - 6 Change DFCB

• Code: C8401
• Description: EEPROM failure
  • EEPROM does not access normally
• Causes: DF control board (DFCB) EEPROM
• Remedy: 1 Disconnect and then connect the power cord. Turn OFF the main power switch, wait for 10 sec. or more, and turn ON the main power switch. - - 2 Check that the EEPROM is installed properly and correct if there is a problem. - - 3 Rewrite the firmware. - - 4 Change DFCB