Kyocera TASKalfa 620 Service Manual page 177

Code
C1030 Lift motor 3 error
• When cassette 3 is inserted, lift limit
switch 3 does not turn on within 33 s of
lift motor 3 turning on. This error is
detected four times successively.
• During copying, lift limit switch 3 does
not turn on within 1 s of lift motor 3
turning on. This error is detected four
times successively.
C1040 Lift motor 4 error
• When cassette 4 is inserted, lift limit
switch 4 does not turn on within 33 s of
lift motor 4 turning on. This error is
detected four times successively.
• During copying, lift limit switch 4 does
not turn on within 1 s of lift motor 4
turning on. This error is detected four
times successively.
C1140 Side feeder lift motor going up error
(optional side feeder)
• Upper limit detection switch does not
turn off within 15 s of the side feeder
lift motor starting (within 200 ms during
paper feeding). This error is detected
four times successively.
Contents
Causes Check procedures/corrective measures
Broken gears or Replace lift motor 3.
couplings of lift
motor 3.
Defective lift motor Check for continuity across the coil. If none,
3. replace lift motor 3.
Poor contact of lift Reinsert the connector. Also check for conti-
motor 3 connector nuity within the connector cable. If none,
terminals. repair or replace the cable.
Defective lift limit Run maintenance item U031 and turn lift
switch 3. limit switch 3 on and off manually. Replace
lift limit switch 3 if indication of the corre-
sponding sensor on the touch panel is not
displayed in reverse.
Poor contact of lift Reinsert the connector. Also check for conti-
limit switch 3 con- nuity within the connector cable. If none,
nector terminals. repair or replace the cable.
Defective casette Replace the casette PWB
PWB.
Broken gears or Replace lift motor 4.
couplings of lift
motor 4.
Defective lift motor Check for continuity across the coil. If none,
4. replace lift motor 4.
Poor contact of lift Reinsert the connector. Also check for conti-
motor 4 connector nuity within the connector cable. If none,
terminals. repair or replace the cable.
Defective lift limit Run maintenance item U031 and turn lift
switch 4. limit switch 4 on and off manually. Replace
lift limit switch 4 if indication of the corre-
sponding sensor on the touch panel is not
displayed in reverse.
Poor contact of lift Reinsert the connector. Also check for conti-
limit switch 4 con- nuity within the connector cable. If none,
nector terminals. repair or replace the cable.
Defective casette Replace the casette PWB.
PWB.
Poor contact of Reinsert the connector. Also check for conti-
upper limit detec- nuity within the connector cable. If none,
tion switch connec- repair or replace the cable.
tor terminals.
Defective side Replace the side feeder main PWB.
feeder main PWB.
Defective side Run maintenance mode U247 and measure
feeder lift motor. the voltage between terminals YC5-A12
(side feeder main circuit board) and YC6-
B11. (Make sure all of LUSSW, UCSSW,
LLSSW and RCSSW are off.)
Despite either DC24V or DC-24V is
observed but if the side feeder lift motor
does not operate, replace the side feeder lift
motor.
Remarks
2KN/2KP
1-4-33