2L6/2N6/2N5/2N4
1-4-135
6900
Fuser belt cooling fan error
When the fuser edge fan
motor 1 , 2 is driven, alarm
signal is detected for 5 s con-
tinuously.
Fuser edge fan
motor 1, 2
1. To check the fan motor operation, exe-
cute U037 Fuser Edge (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 edge fan motor 1 and Engine
PWB (YC26)
Fuser edge fan motor 2 and Fuser PWB
(YC2)
Fuser PWB (YC1) and Engine PWB
(YC26)
3. If the wiring is disconnected, shorted or
grounded, replace the wiring.
4. Replace the fuser unit and execute
U167 counter clear (see page 1-3-112).
Engine PWB
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
80).
6910
Engine software ready error
ready state in 60 minutes after
warming-up has began.
(A previous timeout process
has not been cancelled.)
Engine PWB
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-
80).
6920
Fuser front fan motor error
When the fuser front fan
motor is driven, alarm signal is
detected for 5 s continuously.
Fuser front fan
motor
1. To check the fan motor operation, exe-
cute U037 IH Coil (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 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.
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
Содержание TASKalfa 3051ci
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