Olivetti d-Copia 6500MF Plus Service Manual page 434

Code Contents
6910 Engine software ready error
The device won't engage in
ready state in 60 minutes after
warming-up has began.
(A previous timeout process
has not been cancelled.)
6920 Fuser front fan motor error
When the fuser front fan
motor is driven, alarm signal is
detected for 5 s continuously.
6930 Fuser rear fan motor error
When the fuser rear fan motor
is driven, alarm signal is
detected for 5 s continuously.
Service Manual
Related parts
Engine PWB
Fuser front fan
motor
Engine PWB
Fuser rear fan
motor
Engine PWB
1-4-106
Check procedures/
corrective measures
1. Turn the main power switch off and after
5 seconds, turn it on.
2. Reinstall the engine software.
3. Replace the engine PWB (see page 1-5-
83).
1. To check the fan motor operation, exe-
cute U037 IH Coil (see page 1-3-41).
2. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Fuser front fan motor and Front PWB
(YC4)
Front PWB (YC3) and Engine PWB
(YC7)
3. If the wiring is disconnected, shorted or
grounded, replace the wiring.
4. Replace the fuser front fan motor.
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
83).
1. To check the fan motor operation, exe-
cute U037 Fuser Cooling (see page 1-3-
41).
2. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Fuser rear fan motor and Engine PWB
(YC26)
3. If the wiring is disconnected, shorted or
grounded, replace the wiring.
4. Replace the fuser rear fan motor.
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-