FrameMaker Ver.5.5E(PC) EP3000/EP3010 TROUBLESHOOTING
98.08.06
T-79
(19) C0F30: ATDC Sensor UN3 Failure
C0F31: ATDC Sensor UN3 Failure
Relevant Electrical Parts
•
ATDC Sensor UN3
•
Master Board PWB-A
Step
Check Item
Result
Action
1
Is the malfunction code displayed
“C0F31”?
YES
Go to step 3
2
Is the value for “ATDC Ref. Value”
of “Level History” equal to the value
given on the Adjust Label?
NO
Enter the value given on the Adjust
Label.
3
Is PWB-A PJ8A plugged in
securely?
NO
Plug it in securely.
4
Is CN39 plugged in securely?
NO
Plug it in securely.
5
Is UN3 installed in the correct posi-
tion?
NO
Reinstall.
6
Is the voltage across PWB-A PJ8A-
3 and GND in the range between
DC0.6V and DC4.5V when PC
Drive Motor M1 is turning?
YES
Replace PWB-A.
NO
Replace UN3.
1149C28TAA