Abnormally Low Fuser Thermistor 1 Temperature; Broken Fuser Thermistor; Abnormally Low Fuser Thermistor 4 Temperature - Kyocera TASKalfa 3050ci Service Manual

Code Contents
6050 Abnormally low fuser
thermistor 1 temperature
Fuser thermistor 1 detects a
temperature lower than
100°C/212°F for 1 s after
warming up.
6120 Abnormally high fuser
thermistor 4 temperature
Fuser thermistor 1 detects a
temperature higher than
190°C/374°F for 1 s.
6130

Broken fuser thermistor 4

wire
Input from fuser thermistor 4
is 992 or more (A/D value)
continuously for 1 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.
Causes
Deformed connec- See page 1-4-59.
tor pin.
Defective triac. See page 1-4-59.
Defective fuser Replace the fuser unit (see page 1-5-45).
thermistor 1.
Defective fuser IH. Replace the fuser unit (see page 1-5-45).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-54).
Deformed connec- See page 1-4-59.
tor pin.
Defective triac. See page 1-4-59.
Shorted fuser Replace the fuser unit (see page 1-5-45).
thermistor 4.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-54).
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)
Deformed connec- See page 1-4-59.
tor pin.
Defective triac. See page 1-4-59.
Broken fuser Replace the fuser unit (see page 1-5-45).
thermistor 4 wire.
Defective fuser IH. Replace the fuser unit (see page 1-5-45).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-54).
Deformed connec- See page 1-4-59.
tor pin.
Defective triac. See page 1-4-59.
Defective fuser Replace the fuser unit (see page 1-5-45).
thermistor 1.
Defective fuser IH. Replace the fuser unit (see page 1-5-45).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-54).
1-4-56
2LK/2LN/2LM/2LC
Check procedures/
corrective measures