Minolta EP5000 General, Mechanical/Electrical page 372

Interleaf EP5000/EP4000 TROUBLESHOOTING
97.04.01
1156SBT040222A
22) C0E00: Main Erase Lamp LA2's Failure to Turn ON
C0E01: Main Erase Lamp LA2 Turning ON at Abnormal Timing
D Main Erase Lamp LA2
uC0E00
Step Check Item
Perform the "Controller Board Check."
1 Is malfunction code "C0328" dis-
played?
Does the voltage across PWB-A
PJ12A-3 and GND change from DC0V
2
to DC24V when the Start key is
pressed?
uC0E01
Check the LA2 Failure Detection signal
when LA2 is OFF.
Using the IC Port Data Check function,
1
check that the data of PWB-A (IC4A)
APC7 is "H."
Relevant Electrical Parts
D Master Board PWB-A
Result
Change PWB-A.
YES
Change LA2.
YES
Change PWB-A.
NO
Change PWB-A.
YES
Change LA2.
NO
T-97
1156C22TAA
Action