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

2MN/2N1
1-4-54
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.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Fuser unit and engine PWB (YC26)
Broken fuser
thermistor 2 wire.
Replace the fuser unit (see page 1-5-40).
Fuser thermostat
triggered.
Replace the fuser unit (see page 1-5-40).
Defective fuser IH. Replace the fuser unit (see page 1-5-40).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
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.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Fuser unit and engine PWB (YC26)
Defective fuser
thermistor 2.
Replace the fuser unit (see page 1-5-40).
Defective fuser IH. Replace the fuser unit (see page 1-5-40).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
6320 Abnormally high fuser
thermistor 3 temperature
Fuser thermistor 3 detects a
temperature higher than
205°C/401°F for 1 s.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Fuser unit and engine PWB (YC26)
Shorted fuser
thermistor 3.
Replace the fuser unit (see page 1-5-40).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
6330 Broken fuser thermistor 3
wire
Fuser thermistor 3 detects a
temperature lower than 20°C/
68°F continuously for 1 s
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Fuser unit and engine PWB (YC26)
Broken fuser
thermistor 3 wire.
Re
place the fuser unit (see page 1-5-40).
Fuser thermostat
triggered.
Replace the fuser unit (see page 1-5-40).
Defective fuser IH. Replace the fuser unit (see page 1-5-40).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
Code Contents Causes
Check procedures/
corrective measures