d-Color MF4003/MF3303
L TROUBLESHOOTING > 3. TROUBLE CODE
L-40
3. Replace the PH unit.
4. Replace CPUB.
5. Replace BASEB.
3.11C5###
3.11.1C5102, C5103
Contents
Trouble type • C5102: Main motor failure to turn
• C5103: Main motor turning at abnormal timing
Rank B
Trouble detection condition • C5102: The control circuit detects motor failure to turn while the motor is turning.
• C5103: The control circuit detects motor turning while the motor remains stationary.
Trouble isolation -
Relevant electrical parts • Main motor (M1)
• CPU board (CPUB)
• Base board (BASEB)
Procedure
1. Check the connector between M1-BASEB CN17E for proper connection and correct as necessary.
2. Check the loading status of the main drive, and correct the error as necessary.
3. Check CPUB for proper installation and correct as necessary.
4. M1 load check
• Check code: 40
• Multi code: 1, 2
• Control signal: BASEB CN17E-1 to 5
• Location of electrical component: 1-C
5. Replace M1.
6. Replace CPUB.
7. BASEB F18E conduction check
8. Replace BASEB.
3.11.2C5357
Contents
Trouble type C5357: Machine cooling fan failure to turn
Rank B
Trouble detection condition The fan lock signal remains HIGH for a predetermined continuous period of time while the fan is turning.
Trouble isolation -
Relevant electrical parts • Machine cooling fan (FM1)
• CPU board (CPUB)
• Base board (BASEB)
Procedure
1. Check the connector between FM1-relay CN23-BASEB CN19E for proper connection and correct as necessary.
2. Check the fan for possible overload and correct as necessary.
3. Check CPUB for proper installation and correct as necessary.
4. FM1 load check
• Check code: 42
• Multi code: 1, 2
• Control signal: BASEB CN19E-4 (REM), BASEB CN19E-6 (LOCK)
• Location of electrical component: 9-C
5. Replace FM1.
6. Replace CPUB.
7. Replace BASEB.
3.11.3C5360
Contents
Trouble type C5360: Clean unit fan failure to turn (When CU-202 is installed) (Europe models only)
Rank B
Trouble detection condition The fan lock signal remains HIGH for a predetermined continuous period of time while the fan is turning.
Trouble isolation -
Relevant electrical parts • Exhaust fan/1 (FM1)
• Exhaust fan/2 (FM2)
• Exhaust fan/3 (FM3)
• Clean unit drive board (CUDB)
• CPU board (CPUB)
• Base board (BASEB)
Procedure
1. Check the connector between CUDB CN1-relay CN35-BASEB CN25E for proper connection and correct as necessary.
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