• Code: 9080
• Description: LED fault detection
  A block is existent below a peak which was obtained by activating the LEDs in the four CIS blocks at power on, which is less than 80hex.
• Remedy: DP CIS: 1. Execute CIS automatic original document alignment by U411 . 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. CIS and DP SHD PWB (YC2) DP SHD PWB (YC1) and DP main PWB (YC10) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. Replace the CIS and execute U411.
  DP SHD PWB: Replace the DP SHD PWB.

• Code: 9100
• Description: Coin vender control PWB error
  Communication error has been detected at the coin mec of the coin vender control PWB.
• Remedy: Coin vender control PWB: Replace the coin mec.

• Code: 9110
• Description: Coin vender rejector error
  Communication error has been detected in connection with the coin mec and the rejector.
• Remedy: Rejector: 1. Check that the rejector is firmly installed and, if not, install firmly. 2. Replace the rejector.

• Code: 9120
• Description: Sensor error in coin vender change (Yen 10)
  Change is empty despite change is enough.
• Remedy: Coin jam in the change tube: Check visually and remedy.
  Contact in the connector: Check the connection of the empty change sensor.
  Change empty sensor: Replace the coin mec.
  Coin vender control PWB: Replace the coin mec.

• Code: 9130
• Description: Sensor error in coin vender change (Yen 50)
  Change is empty despite change is enough.
• Remedy: Coin jam in the change tube: Check visually and remedy.
  Contact in the connector: Check the connection of the empty change sensor.
  Change empty sensor Replace the coin mec.
  Coin vender control PWB: Replace the coin mec.

• Code: 9140
• Description: Sensor error in coin vender change (Yen 100)
  Change is empty despite change is enough.
• Remedy: Coin jam in the change tube: Check visually and remedy.
  Contact in the connector: Check the connection of the empty change sensor.
  Change empty sensor: Replace the coin mec.
  Coin vender control PWB: Replace the coin mec.

• Code: 9150
• Description: Sensor error in coin vender change (Yen 500)
  Change is empty despite change is enough
• Remedy: Change tube: Check no exchange jam is observed at the outlet and, if necessary, repair it.
  Contact in the connector: Check the connection of the empty change sensor.
  Change empty sensor: Replace the coin mec.
  Coin vender control PWB: Replace the coin mec.

• Code: 9160
• Description: Coin vender pay-out error
  Coin is paid out despite the pay-out motor is determined not active.
• Remedy: Pay-out motor: Replace the coin mec.