Code :

Code: C-8301
Description: Cooling fan /Lt (FM301) and /Rt (FM302) abnormality
Causes: • Cooling fan /Lt (FM301: DF-615/616) • Cooling fan /Rt (FM302: DF-615/616) • DF control board (DFCB: DF-615/616) DIPSW18-4
Remedy: 1. Check the connector connection and the wiring between DFCB and the fan, and repair it if any abnormality. 2. Rotate the fan by I/O or hand, and repair it if any abnormality. (Wiring diagram: RU-615/616: 7-F, 8-B) 3. Replace FM301 or FM302. 4. Replace DFCB

Code: C-8401
Description: Original registration sensor /Lt (PS306) abnormality.
Causes: • Original registration sensor /Lt (PS306: DF-615/616) • DF control board (DFCB: DF-615/616) DIPSW18-4
Remedy: 1. Check the connector connection and the wiring between DFCB and the sensor, and repair it if any abnormality. 2. Check I/O and the operation of the sensor, and repair/replace it if any abnormality. (Wiring diagram: DF-615/616: 1-C) 3. Replace PS306 4. Replace DFCB

Code: C-8402
Description: Original conveyance sensor (PS308) abnormality.
Causes: • Original conveyance sensor (PS308: DF-615/616) • DF control board (DFCB: DF-615/616) DIPSW18-4
Remedy: 1. Check the connector connection and the wiring between DFCB and the sensor, and repair it if any abnormality. 2. Check I/O and the operation of the sensor, and repair/replace it if any abnormality. (Wiring diagram: DF-615/616: 2-E) 3. Replace PS308. 4. Replace DFCB

Code: C-8403
Description: Original reverse sensor (PS309) abnormality
Causes: • Original reverse sensor (PS309: DF-615/616) • DF control board (DFCB: DF-615/616) DIPSW18-4
Remedy: 1. Check the connector connection and the wiring between DFCB and the sensor, and repair it if any abnormality. 2. Check I/O and the operation of the sensor, and repair/replace it if any abnormality. (Wiring diagram: DF-615/616: 1-D) 3. Replace PS309. 4. Replace DFCB

Code: C-8404
Description: Non-volatile memory error
Causes: DF control board (DFCB: DF-615/616) DIPSW18-4
Remedy: 1. After turning OFF the sub power switch, turn OFF the main power switch and unplug the power plug. Restart the main body after 10 seconds. 2. Check the connector connection and the wiring on DFCB, and repair it if any abnormality. 3. Rewrite the firmware of DF-615/616. 4. Replace DFCB

Code: C-8405
Description: Reverse jam sensor (PS304) abnormality.
Causes: • Reverse jam sensor (PS304: DF-615/616) • DF control board (DFCB: DF-615/616) DIPSW18-4
Remedy: 1. Check the connector connection and the wiring between DFCB and the sensor, and repair it if any abnormality. 2. Check I/O and the operation of the sensor, and repair/replace it if any abnormality. (Wiring diagram: DF-615/616: 1-D) 3. Replace PS304. 4. Replace DFCB

Code: C-8406
Description: Original reverse-exit sensor (PS313) abnormality.
Causes: • Original reverse-exit sensor (PS313: DF-615/616) • DF control board (DFCB: DF-615/616) DIPSW18-4
Remedy: 1. Check the connector connection and the wiring between DFCB and the sensor, and repair it if any abnormality. 2. Check I/O and the operation of the sensor, and repair/replace it if any abnormality. (Wiring diagram: DF-615/616: 2-A) 3. Replace PS313. 4. Replace DFCB

Code: C-8407
Description: Original skew sensor /Fr (PS312) abnormality.
Causes: • Original skew sensor /Fr (PS312: DF-615/616) • DF control board (DFCB: DF-615/616) DIPSW18-4
Remedy: 1. Check the connector connection and the wiring between DFCB and the sensor, and repair it if any abnormality. 2. Check I/O and the operation of the sensor, and repair/replace it if any abnormality. (Wiring diagram: DF-615/616: 1-E) 3. Replace PS312. 4. Replace DFCB