• Code: 0180
• Description: Machine number mismatch Machine number of main and engine does not match.
• Remedy: Data damage of EEPROM. 1. Confirm the machine data for the main and engine units by using U004. 2. If the serial number data of different models is alternately displayed, install the correct EEPROM in the PWB of the wrong serial number data. 3. Contact the Service Suppor

• Code: 0350
• Description: Panel PWB communication error (electronic volume I2C communication error) NACK is received during I2C communication -> retried 5 times -> rebooting command sent -> retried 5 times If NACK is still received.
• Remedy: Operation PWB 1. Turn the main power swtch off and after 5 seconds, then turn power on. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Operation PWB (YC10) and Main PWB (YC6) 3. If the wiring is disconnected, shorted or grounded, replace the wiring.
  Main PWB Replace the main PWB.

• Code: 0620
• Description: FAX image DIMM error 1. The Fax image DIMM has not been installed. 2. Fax image DIMM access error.
• Remedy: FAX image DIMM 1. Install the FAX image DIMM supplied in the FAX system onto the main PWB. 2. Firmly install the FAX image DIMM again onto the main board. 3. Check the FAX image DIMM terminals and remove any foreign objects that may be adhered to it. 4. Replace with a new FAX image DIMM
  Main PWB. Replace the main PWB.

• Code: 0630
• Description: DMA error DMA transmission of image data does not complete within the specified period of time.
• Remedy: DP CIS 1. Reconnect the CIS signal line. 2. Confirm that the CIS connector terminals are firmly connected. Insert the connector all the way in. 3. If the wiring is disconnected, shorted or grounded, replace the wiring.
  DP main PWB Main PWB 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. 2. If the wiring is disconnected, shorted or grounded, replace the wiring. Wiring that connects the CIS and the DP controller PWB. Wiring that connects the DP main PWB and the main PWB. 3. Replace the DP main PWB. 4. Replace the main PWB.

• Code: 0640
• Description: Hard disk error The hard disk cannot be accessed.
• Remedy: HDD 1. If an abnormal noise is heard from the HDD, replace the HDD. 2. Check the SATA wiring between the HDD and the main circuit PWB for loose connection, disconnection and damages, and that it is connected into the correct terminal. Main PWB: YC1,YC27 YC2,YC32 3. Replace the SATA cable. 4. Execute U024 to initialize (FULL) the HDD. 5. If an error is detected after executing U024, replace the HDD.
  HDD number difference 1. Confirm whether the HDD number is correct in U024_Composition and change it if different. HDD 1piece: Single HDD 2pieces: Multi
  Lack of HDD capacity 1. Confirm the total capacity of the HDD if it is more than 320GB. Change the HDD or add it in case of lacking in capacity.
  Main PWB Replace the main PWB.

• Code: 0650
• Description: FAX image DIMM check error A fax image DIMM which was used with another machine is installed.
• Remedy: FAX DIMM. 1. Confirm that a used FAX image DIMM was used instead of the FAX image DIMM contained in the FAX system. 2. If a DIMM that was used with other unit has been installed, execute maintenance mode U671 - Recovery FAX DIMM. 3. Check whether the Fax DIMM is properly inserted into the socket on the main PWB. 4. Replace with a new FAX image DIMM.
  Main PWB Replace the main PWB.

• Code: 0660
• Description: Hard disk encryption key error.
• Remedy: EEPROM 1. Execute U004 if this occurs after the EEPROM has been changed.
  HDD 1. If an abnormal noise is heard from the HDD, replace the HDD. 2. Check the SATA wiring between the HDD and the main circuit PWB for loose connection, disconnection and damages, and that it is connected into the correct terminal. Main PWB: YC1,YC27 YC2,YC32 3. Replace the SATA cable. 4. Execute U024 to initialize (FULL) the HDD. 5. If an error is detected after executing U024, replace the HDD.
  Main PWB Replace the main PWB.

• Code: 0670
• Description: Hard disk overwriting erasure error.
• Remedy: HDD 1. If an abnormal noise is heard from the HDD, replace the HDD. 2. Check the SATA wiring between the HDD and the main circuit PWB for loose connection, disconnection and damages, and that it is connected into the correct terminal. Main PWB: YC1,YC27 YC2,YC32 3. Replace the SATA cable. 4. Execute U024 to initialize (FULL) the HDD. 5. If an error is detected after executing U024, replace the HDD.
  Main PWB Replace the main PWB.