Error Code 2000 [E1] (Main Motor Error) - Kyocera FS-6020 Service Manual

(1-1) Error code 2000 [E1] (main motor error)

Detection conditions
• The main motor ready signal (MOTRDYN) does not become ready (low level) a specified time after the main motor drive
signal (MOTONN) is turned on.
• The main motor ready signal (MOTRDYN) does not become ready (low level) a specified time after the main motor drive
signal (MOTONN) is turned off.
Corrective measures
Start
Is there any damage to
the harness (S02814) between
the engine/high voltage PWB and the
main motor or improper connection at the
YC12 connector on the
engine/high-voltage
PWB?
Yes
Turn on the printer, connect a tester
or an oscilloscope, and measure as
follows.
Is the voltage at
pin No. 1 (+24V3) of
the main motor connector DC
24 V in the printer
standby mode?
Yes
Print a status page.
Does the level at
pin No. 3 (MOTONN) of
the main motor connector change
from H to L in synchronization
with activation of the
motor?
Yes
* Possible defective locations
(causes)
• Engine/high voltage PWB
• Fixing unit
• Power source PWB
• Large load applied to
the main motor
No
If any problem is found on the
harness or the connector,
repair or replace it.
No
OK?
Yes
End
No
No
Replace the engine/high voltage
PWB. (See page 1-6-26.)
Print a status page.
Does the level at pin
No. 4 (MOTRDYN) of the
main motor connector change from H to
L after activation of the motor
(after approximately 2
seconds)?
Yes
Replace the engine/high voltage
PWB. (See page 1-6-26.)
No
OK?
Yes
Replace the main motor and the
engine/high voltage PWB at the
same time. (See page 1-6-26.)
End
FS-6020
No
Replace the main motor.
1-5-3