Kyocera TASKalfa 420i Service Manual page 186

2KR/2KS
Code
C1010 Lift motor 1 error
After cassette 1 is inserted, lift switch 1
does not turn on within 12 s. This error is
detected four times successively.
C1020 Lift motor 2 error
After cassette 2 is inserted, lift switch 2
does not turn on within 12 s. This error is
detected four times successively.
1-4-28
Contents
Causes Check procedures/corrective measures
Poor contact in the Check the connection of connector of lift
connector termi- motor 1 and the connector YC8 on the
nals. engine PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Broken gears or Replace lift motor 1.
couplings of lift
motor 1.
Defective lift motor Check for continuity across the coil. If none,
1. replace lift motor 1.
Poor contact in the Check the connection of connector of lift
connector termi- switch 1 and the connector YC8 on the
nals. engine PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective lift switch Check if YC8-B9 on the engine PWB goes
1. low when lift switch 1 is turned off. If not,
replace lift switch 1.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Poor contact in the Check the connection of connector of lift
connector termi- motor 2 and the connector YC8 on the
nals. engine PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Broken gears or Replace lift motor 2.
couplings of lift
motor 2.
Defective lift motor Check for continuity across the coil. If none,
2. replace lift motor 2.
Poor contact in the Check the connection of connector of lift
connector termi- switch 2 and the connector YC8 on the
nals. engine PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective lift switch Check if YC8-B15 on the engine PWB goes
2. low when lift switch 2 is turned off. If not,
replace lift switch 2.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Remarks