CHAPTER 6 SELF DIAGNOSIS
6-35
E805
The clock signal is absent for 5 sec or more after the fan drive signal has
been generated. The detail codes of the fans in question are as follows:
0001
developing fan (FM1)
0002
fixing fan (FM2)
0003
curl reducing fan (FM4)
0004
curl reducing fan (FM5)
0005
electrical unit fan (FM3)
Main cause
The fan wiring is faulty (short circuit, open circuit). The fan is faulty. The
DC controller PCB is faulty.
Action
1. Foreign matter
Is there foreign matter that prevents the rotation of the fan?
YES: Remove the foreign matter.
2. Wiring, Connector
Are the wiring and connector of the fan normal?
Developing fan (FM1):
DC controller PCB (J302B)
Fixing fan (FM2):
DC controller PCB (J308B)
Curl reducing fan (FM4):
DC controller PCB (J311B)
Curl reducing fan (FM5):
DC controller PCB (J311B)
Electrical unit fan (FM3):
main controller PCB (J1028)
NO:
Correct the wiring and the connection.
3. Fan, DC controller PCB
Try replacing the fan. Is the problem corrected?
YES: End.
NO:
Replace the DC controller PCB.
Содержание iR2200 Series
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