Mita PointSource Ai 3010, Service Manual

Page: 356 / 478

Code Contents
Remarks
Causes
Check procedures/
corrective measures
2AR
3-5-10
C243* Desk upper lift motor
problem
When the drawer is in-
serted, the desk upper lift
limit switch does not turn
on within 4.6 s of the desk
upper lift motor turning on.
During copying, the desk
upper lift limit switch does
not turn on within 200 ms
of the desk upper lift motor
turning on. Broken gears
or couplings of
the desk upper
lift motor.
Defective desk
upper lift
motor.
Poor contact
of the desk
upper lift motor
connector
terminals.
Defective desk
upper lift limit
switch.
Poor contact
of the desk
upper lift limit
switch con-
nector termi-
nals.
Replace the desk upper lift
motor.
Check for continuity across
the coil. If none, replace the
desk upper lift motor.
Reinsert the connector. Also
check for continuity within the
connector cable. If none, repair
or replace the cable.
Check if CN1-5 on the desk
main PCB goes low when the
desk upper lift limit switch is
turned off. If not, replace the
desk upper lift limit switch.
Reinsert the connector. Also
check for continuity within the
connector cable. If none, repair
or replace the cable.
* If the optional device is attached.
3-5-9