Kyocera FS-C8500DN Service Manual page 178

2KA
Code
C0800 Image processing problem
JAM05 is detected twice.
C0840 Faults of RTC
The time is judged to go back based on
the comparison of the RTC time and the
current time or five years or more have
passed.
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.
1-4-24
Contents
Causes Check procedures/corrective measures
Defective main Replace the main PWB and check for cor-
PWB. rect operation.
Defective main Replace the main PWB and check for cor-
PWB. rect operation.
The battery is dis- Check visually and remedy if necessary.
connected from the
main PWB.
Poor contact in the Check the connection of connector of lift
connector termi- motor 1 and the connector YC3 on the feed
nals. PWB, and the continuity across the connec-
tor 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.
Defective lift switch Check if YC4-2 on the feed PWB goes low
1. when lift switch 1 is turned off. If not, replace
lift switch 1.
Poor contact in the Check the connection of connector of lift
connector termi- switch 1 and the connector YC4 on the feed
nals. PWB, and the continuity across the connec-
tor terminals. Repair or replace if necessary.
Defective PWB. Replace the feed PWB or engine PWB and
check for correct operation.
Poor contact in the Check the connection of connector of lift
connector termi- motor 2 and the connector YC3 on the feed
nals. PWB, and the continuity across the connec-
tor 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.
Defective lift switch Check if YC4-8 on the feed PWB goes low
2. when lift switch 2 is turned off. If not, replace
lift switch 2.
Poor contact in the Check the connection of connector of lift
connector termi- switch 2 and the connector YC4 on the feed
nals. PWB, and the continuity across the connec-
tor terminals. Repair or replace if necessary.
Defective PWB. Replace the feed PWB or engine PWB and
check for correct operation.
Remarks