2L6/2N6/2N5/2N4
1-4-136
6930 Fuser rear fan motor error
When the fuser rear fan motor
is driven, alarm signal is
detected for 5 s continuously.
Fuser rear fan
motor
1. To check the fan motor operation, exe-
cute U037 Fuser Coling (see page 1-3-
43).
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.
Engine PWB 1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
80).
6940 IH PWB cooling fan motor
error
When the IH fan motor is
driven, the alarm signal is
detected for 5 s continuously.
IH fan motor
1. To check the fan motor operation, exe-
cute U037 IH Pwb (see page 1-3-43).
2. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
IH fan motor and Feed PWB 1(YC11)
Feed PWB 1(YC2) and Engine PWB
(YC5)
3. If the wiring is disconnected, shorted or
grounded, replace the wiring.
4. Replace the IH fan motor.
Feed PWB 1 Replace the Feed PWB1.
Engine PWB 1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
80).
Code Contents Related parts
Check procedures/
corrective measures
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