Broken Fuser Thermistor 2 Wire; Abnormally Low Fuser Thermistor 2 Temperature; Abnormally High Fuser Thermistor 3 Temperature; Broken Fuser Thermistor 3 Wire - Kyocera FS-C8600DN Service Manual

Code Contents
6230 Broken fuser thermistor 2
wire
The Input signal from the
fuser thermistor 2 is 992 or
more (A/D value) continuously
for 1 s when the temperature
at the fuser thermistor 1 is
greater than 100°C/212°F
during warming up.
6250 Abnormally low fuser
thermistor 2 temperature
Fuser thermistor 2 detects a
temperature lower than
100°C/212°F for 1 s during
ready or print.
Fuser thermistor 2 detects a
temperature lower than 50°C/
122°F for 1 s during warming
up.
6320 Abnormally high fuser
thermistor 3 temperature
Fuser thermistor 3 detects a
temperature higher than
205°C/401°F for 1 s.
6330 Broken fuser thermistor 3
wire
Fuser thermistor 3 detects a
temperature lower than 20°C/
68°F continuously 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 2 wire.
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)
Defective fuser Replace the fuser unit (see page 1-5-40).
thermistor 2.
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 3.
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)
Broken fuser Replace the fuser unit (see page 1-5-40).
thermistor 3 wire.
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).
1-4-54
Check procedures/
corrective measures
2MN/2N1