Code :

Code: L4-51
Description: Process fan 2 trouble
The fan operation signal is not detected.
Causes: Fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Remedy: Replace the fan. Replace the PCU PWB. Check the connector and the harness. Check that the fan is rotating after turning ON the power.

Code: L6-10
Description: Polygon motor trouble
The polygon motor does not reach the specified RPM within the specified time after starting rotation of the polygon motor.
Causes: Polygon motor trouble. LSU mother PWB trouble. Connection trouble of the connector and the harness.
Remedy: Use SIM61-1 to check the operation of the polygon motor. Check connection of the connector and the harness. Replace the LSU. Replace the LSU mother PWB.

Code: L8-01
Description: Full wave signal detection error
The full wave signal is not detected.
Causes: PCU PWB trouble. Power unit trouble. Connection trouble of the connector and the harness.
Remedy: Replace the PCU PWB. Replace the power unit. Check connection of the connector and the harness.

Code: L8-20
Description: Communication error of MFPC PWB/ LSU mother board
Causes: LSU mother board PWB - MFPC PWB connection trouble. MFPC PWB trouble. LSU mother board trouble.
Remedy: Check connection between the LSU mother board PWB and the MFPC PWB. Check the ground of the main unit. Replace the MFPC PWB. Replace the LSU mother board.

Code: P1-00
Description: PCI communication error
Causes: Communication error between the MFPC PWB and the PCI. Connection failure of connectors and harness between the MFPC PWB and the PCI. MFPC PWB trouble. PCI control PWB trouble.
Remedy: Check connection of the harness and connectors between the MFPC PWB and the PCI. Check the MFPC PWB, and replace if necessary. (Refer to the necessary procedures after replacement of the MFPC PWB in the Service Manual, and perform the procedures.) Check the PCI control PWB, and replace if necessary.

Code: P1-01
Description: PCI fan error
Causes: The PCI fan operation signal is not detected. PCI fan trouble. PCI control PWB trouble.
Remedy: Check connection of the connectors and harness between the PCI fan and the PCI control PWB. Check the PCI control PWB, and replace if necessary. Check the PCI fan, and replace if necessary.

Code: P1-02
Description: Plasma generating device error
Causes: Connection failure of connectors and harness between the plasma generating device and the PCI control PWB. Plasma generating device trouble. PCI control PWB trouble.
Remedy: Check connection of the connectors and harness between the plasma generating device and the PCI control PWB. Replace the plasma generating device. Check the PCI control PWB, and replace if necessary.

Code: PC--
Description: Personal counter not detected
Causes: The personal counter is not installed. The personal counter is not detected. SCU PWB trouble.
Remedy: Check connection of the connectors and the harness. Replace the SCU PWB.