Olivetti d-Copia 6500MF Plus Service Manual page 432

Code Contents
6750 Fuser IH output over-cur-
rent error
The output current of IH CPU
is higher than 110 A for 10 ms
in succession.
6760 Fuser IH input over-current
error
The input current of IH CPU is
higher than 20A (100V), 10A
(200V) for 100 ms in
succession.
Service Manual
Related parts
Fuser IH PWB
Fuser IH unit
Engine PWB
Fuser IH PWB
Engine PWB
1-4-104
Check procedures/
corrective measures
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Fuser IH PWB( YC4) and Engine PWB
(YC26)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the fuser IH PWB (see page 1-
5-95).
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Fuser IH unit and Fuser IH PWB (YC9
and 10)
Fuser IH PWB( YC4) and Engine PWB
(YC26)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the fuser IH unit (see page 1-5-
69).
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
83).
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Fuser IH PWB( YC4) and Engine PWB
(YC26)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the fuser IH PWB (see page 1-
5-95).
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
83).
2N8/2N7
Y116520-3