Muratec MFX-2500 Field Engineering Manual page 240

08
Step
Does M2 turn after the malfunction has
1
been reset?
Check M2 for operation.
Does the voltage across PJ1-3 of M2
2
and GND change from DC5V to DC0V
after the malfunction has been reset?
Does the voltage across PJ1-4 of M2
3 and GND change from DC5V to DC0V
after the malfunction has been reset?
09
Step
Does M1 turn after the malfunction has
1
been reset?
Check M1 for operation.
Does the voltage across PJ2-3 of M1
2
and GND change from DC5V to DC0V
after the malfunction has been reset?
Does the voltage across PJ2-4 of M1
3 and GND change from DC5V to DC0V
after the malfunction has been reset?
0B
Step
Does M3 turn after the malfunction has
1
been reset?
Check M3 for operation.
Does the voltage across CN6-8 on the
2 PWB-A side and GND change from
DC0V to DC24V after the mal-function
has been reset?
Does the "0B" display persist even
3 after M3 has been replaced with a new
one?
Check Item
Check Item
Check Item
Result
Check various parts for possible
NO
overload.
NO Change PWB-A.
YES Change PWB-A.
NO Change M2.
Result
Check various parts for possible
NO
overload.
NO Change PWB-A.
YES Change PWB-A.
NO Change M14.
Result
Check the connector and harness
NO
between M3 and PWB-A.
NO Change PWB-A.
YES Change PWB-A.
4-26
Action
Action
Action