Kyocera TASKalfa 266ci Service Manual page 143

Code Contents
0930 EEPROM bus error
0970 24V power down detect
If a 24V power disconnection
signal is detected and a 12V
power disconnection signal is
detected simultaneously for
1s.
1010 Lift motor error
When the lift motor is driven,
the motor over-current detec-
tion signal is detected continu-
ously for 50 times (5 s) at 100
ms intervals.
After the lift motor is driven,
the ON status of lift sensor
cannot be detected for 8 s.
The cassette installed confir-
mation message is displayed
on the operation panel, and
even if the cassette is opened
and closed, the cassette
installed confirmation mes-
sage is displayed 5 times suc-
cessively.
Causes
Defective drum Replace the drum unit (see page 1-5-22).
PWB (EEPROM).
Defective engine Replace the engine PWB and check for cor-
PWB (EEPROM). rect operation (see page 1-5-28).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-28).
Defective main Replace the main PWB and check for cor-
PWB. rect operation (see page 1-5-31).
Defective power
source PWB
Defective main
PWB
Defective bottom Check to see if the bottom plate can move
plate elevation smoothly and repair it if any problem is
mechanism in the found.
cassette.
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector.
Lift motor and engine PWB (YC27)
Defective drive Check if the gears rotate smoothly. If not,
transmission sys- grease the bushes and gears. Check for
tem of the lift broken gears and replace if any.
motor.
Defective lift motor. Replace the lift motor
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-28).
1-4-8
Check procedures/
corrective measures
1. Check that the interlock switch (ILSW) is
turned ON properly by the rear cover
closing.
2. Check if there is no defective connection
in the connector of the power source
PWB, and then check the 24V output
from the YC103 and YC104.
3. Replace the power source PWB.
(see page 1-5-30)
1. Unplug the power cord from the wall out-
let, and wait five seconds. Then plug the
power cord and then turn on the power
switch.
2. Check that the connectors on the main
PWB are properly connected, and if not,
re-connect them.
3. Replace the main PWB.
(see page 1-5-31)
2PZ-6