Broken Fuser Thermistor 4 Wire; Abnormally Low Fuser Thermistor 4 Temperature; Broken Fuser Edge Heater Wire; Abnormally High Fuser Thermistor 2 Temperature - Kyocera FS-C8600DN Service Manual

Code Contents
6130 Broken fuser thermistor 4
wire
Input from fuser thermistor 4
is 992 or more (A/D value)
continuously for 60 s.
6150 Abnormally low fuser
thermistor 4 temperature
Fuser thermistor 4 detects a
temperature lower than 30°C/
86°F for 1 s after warming up.
6200 Broken fuser edge heater
wire
Fuser thermistor 2 does not
reach 100° C/212 °F even
after 60 s during warming up.
The detected temperature of
fuser thermistor 2 does not
reach the specified tempera-
ture (ready indication temper-
ature) for 420 s in warming up
after reached to 100° C/212
°F.
6220 Abnormally high fuser
thermistor 2 temperature
Fuser thermistor 2 detects a
temperature higher than
245°C/473°F for 1 s.
Causes
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. Fuser unit and engine PWB (YC26)
Broken fuser Replace the fuser unit (see page 1-5-40).
thermistor 4 wire.
Defective fuser IH. Replace the fuser unit (see page 1-5-40).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-49).
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. Fuser unit and engine PWB (YC26)
Defective fuser Replace the fuser unit (see page 1-5-40).
thermistor 4.
Defective fuser IH. Replace the fuser unit (see page 1-5-40).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-49).
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. Power source PWB (YC3) and fuser IH
PWB (YC1)
Fuser IH PWB (YC4) and engine PWB
(YC26)
Fuser thermostat Replace the fuser unit (see page 1-5-40).
triggered.
Defective fuser IH. Replace the fuser unit (see page 1-5-40).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-49).
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. Fuser unit and engine PWB (YC26)
Shorted fuser Replace the fuser unit (see page 1-5-40).
thermistor 2.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-49).
1-4-53
Check procedures/
corrective measures
2MN/2N1