Kyocera ECOSYS FS-3140MFP, Руководство по обслуживанию, Страница: 115 / 273

2LW/2LX-2
1-4-11
6020 Abnormally high fuser
thermistor 2 temperature
The temperature of the
fuser thermistor 2 detects
250°C/482°F or more con-
tinuously for 3 s.
Shorted fuser
thermistor 2. Replace the fuser unit (see page 1-5-29).
Deformed connec-
tor pin. See page 1-4-11.
Defective triac. See page 1-4-11.
Defective engine
PWB. Replace the engine PWB and check for correct
operation (see page 1-5-30).
6030 Broken fuser thermistor 2
wire
average AD value input
from fuser thermistor 2 for
1.8 seconds is less than
one. (Only when the detec-
tion temperature is 50°C or
more.)
Defective connec-
tor cable or poor
contact in the con-
nector. Reinsert the connector. Also check for continu-
ity within the connector cable. If none, remedy
or replace the cable.
Fuser unit and engine PWB (YC506)
Deformed connec-
tor pin. See page 1-4-11.
Defective triac. See page 1-4-11.
Broken fuser
thermistor 2 wire. Replace the fuser unit (see page 1-5-29).
Fuser thermostat
triggered. Reinsert the fuser unit (see page 1-5-29).
Broken fuser
heater wire. Replace the fuser unit (see page 1-5-29).
6000/
6020/
6030
Com-
bined
Broken fuser heater wire
Abnormally high fuser
thermistor temperature
Broken fuser thermistor
wire Deformed connec-
tor pin. If the I/F connector pins of the fuser unit and
the main unit are deformed owing to foreign
matters, such as paper dusts, replace the con-
nectors or the units including the connectors.
Defective triac. Remove the power cord and check that the
resistance between terminals T1 and T2 of the
triac TRA51 is of several Mega-Ohms and not
shorted (see figure 1-4-4). If failed, replace the
power source PWB (see page 1-5-37).
Figure 1-4-4
Code Contents Causes
Check procedures/
corrective measures
TRA51
T1
T2