Kyocera FS-C5300DN Service Manual page 62

2HL/2HM/2HN
Code
6030 Broken fuser thermistor wire
Input from fuser thermistor is 0 (A/D
value).
6400 Zero cross signal error
The zero cross signal does not reach the
engine PWB for specified time.
1-4-14
Contents
Causes Check procedures/corrective measures
Defective harness Reinsert the connector. Also check for conti-
between fuser ther- nuity within the connector harness. If none,
mistor and paper remedy or replace the harness.
exit PWB (YC4), or
improper connec-
tor insertion.
Defective harness Reinsert the connector. Also check for conti-
between paper exit nuity within the connector harness. If none,
PWB (YC1) and remedy or replace the harness.
engine PWB
(YC20), or
improper connec-
tor insertion.
Broken fuser ther- Replace the fuser unit (See page 1-5-26).
mistor wire.
Fuser thermistor Replace the fuser unit (See page 1-5-26).
installed incor-
rectly.
Fuser thermal cut- Replace the fuser unit (See page 1-5-26).
out triggered.
Fuser heater lamp Replace the fuser unit (See page 1-5-26).
installed incor-
rectly.
Broken fuser Replace the fuser unit (See page 1-5-26).
heater lamp wire.
Defective engine Replace the engine PWB (See page 1-5-
PWB. 30).
Defective harness Reinsert the connector. Also check for conti-
between power nuity within the connector harness. If none,
source PWB remedy or replace the harness.
(YC103) and
engine PWB
(YC19), or
improper connec-
tor insertion.
Defective power Replace the power source PWB (See page
source PWB. 1-5-27).
Defective engine Replace the engine PWB (See page 1-5-
PWB. 30).
Remarks