Olivetti d-Color MF2613 Plus Service Manual page 155

Code Contents
6030 Broken fuser thermistor
wire
Input from fuser thermistor is
3 or less (A/D value) continu-
ously for 1 s.
6000/ Broken fuser heater wire
6020/ Abnormally high fuser
6030 thermistor temperature
Com- Broken fuser thermistor
bined wire
Y116670-7
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 eject PWB (YC3)
Eject PWB (YC1) and engine PWB (YC19)
Deformed connec- See page 1-4-21.
tor pin.
Defective triac. See page 1-4-21.
Broken fuser Replace the fuser unit (see page 1-5-26).
thermistor wire.
Fuser thermostat Reinsert the fuser unit (see page 1-5-26).
triggered.
Broken fuser Replace the fuser unit (see page 1-5-26).
heater wire.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-27).
Deformed connec- If the I/F connector pins of the fuser unit and
tor pin. the main unit are deformed owing to foreign
matters, such as paper dusts, replace the
connectors or the units including the con-
nectors.
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-
5-29).
T1
T2
1-4-21
Check procedures/
corrective measures
TRA51
Power source PWB
Figure 1-4-2
2PX/2PY
Service Manual