Mita PointSource Ai 3010, Service Manual

Page: 355 / 478

Code Contents
Remarks
Causes
Check procedures/
corrective measures
2AR
3-5-9
C242 Lower lift motor problem
When the drawer is in-
serted, the lower lift limit
switch does not turn on
within 4.6 s of the lower lift
motor turning on.
During copying, the lower
lift limit switch does not
turn on within 200 ms of the
lower lift motor turning on. Broken gears
or couplings of
the lower lift
motor.
Defective lower
lift motor.
Poor contact
of the lower lift
motor connec-
tor terminals.
Defective lower
lift limit switch.
Poor contact
of the lower lift
limit switch
connector
terminals.
Replace the lower lift motor.
Check for continuity across
the coil. If none, replace the
lower lift motor.
Reinsert the connector. Also
check for continuity within the
connector cable. If none, repair
or replace the cable.
Check if CN12-2 on the engine
PCB goes low when the lower
lift limit switch is turned off. If
not, replace the lower lift limit
switch.
Reinsert the connector. Also
check for continuity within the
connector cable. If none, repair
or replace the cable.
3-5-8