Broken Fuser Thermistor; Fuser Heater Error - Kyocera TASKalfa 3050ci Service Manual

Code Contents
6020 Abnormally high fuser
thermistor 1 temperature
Fuser thermistor 1 detects a
temperature higher than
240°C/464°F for 1 s.
6030

Broken fuser thermistor 1

wire
Input from fuser thermistor 1
is 984 or more (A/D value)
continuously for 1 s.
6040

Fuser heater error

Input from fuser thermistor 1
is abnormal value continu-
ously for 1 s.
Causes
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 1.
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 1 wire.
Fuser thermostat Replace the fuser unit (see page 1-5-45).
triggered.
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).
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 1 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).
1-4-55
2LK/2LN/2LM/2LC
Check procedures/
corrective measures