Muratec MFX-2500 Field Engineering Manual page 246

(4) 12: Faulty E1
11: ATDC Adjustment Failure
ATDC Sensor E1
11, 12
Step
Are PJ40, CN50, CN17, and PWB-A
1
PJ15A connected properly?
2 Is the CN50 connection dirty?
Is "11" or "12" displayed even when an
3 I/C with the same T/C as that of a new
one has been installed?
Is "11" or "12" displayed even when an
I/C with the same T/C as that of a new
one has been installed and an F8
4 operation run?
(Be sure to record the ATDC control
voltage setting value if an F8 operation
is to be run.)
Relevant Electrical Parts
Master Board PWB-A
Check Item Result
NO Connect them properly.
YES Clean.
NO Change the I/C with a new one.
Change PWB-A, install the old I/C, and
return the ATDC control voltage setting
YES to the value recorded. If "C0F32" or
"C0F33" redisplayed, change the I/C
with a new one.
NO Change the I/C with a new one.
4-32
Action