Kyocera KM-3050 Service Manual page 165

Code
C1010 Upper lift motor error
When cassette 1 is inserted, upper lift
limit switch does not turn on within 12 s
of upper lift motor turning on.
A motor over-current signal is detected
continuously for 500 ms or longer.
C1020 Lower lift motor error
When cassette 2 is inserted, lower lift
limit switch does not turn on within 12 s
of lower lift motor turning on.
A motor over-current signal is detected
continuously for 500 ms or longer.
Contents
Causes Check procedures/corrective measures
Poor contact in the Check the connection of connector of upper
connector termi- lift motor and the connector YC13 on the
nals. engine PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Broken gears or Replace upper lift motor.
couplings of upper
lift motor.
Defective upper lift Check for continuity across the coil. If none,
motor. replace upper lift motor.
Defective upper lift Check if YC13-B9 on the engine PWB goes
limit switch. low when upper lift limit switch is turned off.
If not, replace upper lift limit switch.
Poor contact in the Check the connection of connector of upper
connector termi- lift limit switch and the connector YC13 on
nals. the engine PWB, and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Poor contact in the Check the connection of connector of lower
connector termi- lift motor and the connector YC13 on the
nals. engine PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Broken gears or Replace lower lift motor.
couplings of lower
lift motor.
Defective lower lift Check for continuity across the coil. If none,
motor. replace lower lift motor.
Defective lower lift Check if YC13-B15 on the engine PWB
limit switch. goes low when lower lift limit switch is turned
off. If not, replace lower lift limit switch.
Poor contact in the Check the connection of connector of lower
connector termi- lift limit switch and the connector YC13 on
nals. the engine PWB, and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
2GN/2GP/2GR-1
Remarks
1-4-25