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10-361 Power On Heat Roll Not Ready RAP
The Heat Roll did not reach the Ready temperature within 12 minutes after Power On.
Initial Actions
Refer to BSD 10.2 and 10.12 for the following procedure.
Procedure
Cheat the Front Door Interlock. Switch on the power. The Heat Roll Heater Rod illuminates
after self-test completes.
Y
N
Go to the
OF10-3 Heat Roll AC Power
Switch off the power. Cheat the Front Door Interlock Switch. Disconnect
Drive PWB. Check the resistance between J413 -13 and J413-A7 of the harness. The resis-
tance should be in the range of 0.78K ohms when the Heat Roll is hot, to 150K ohms when
cool (room temperature). The resistance is within specification.
Y
N
Disconnect
P/J171
on the Heat Roll Control Thermistor. The resistance from pin 1 to pin
2 should be in the range of 0.78K ohms when the Heat Roll is hot, to 150K ohms when
cool (room temperature). The resistance is within specification.
Y
N
Replace the Heat Roll Control Thermistor
Go to
Flag 1
and
Flag 3
of BSD 10.2. Check for a loose wire or connector, or an intermit-
tent short circuit to ground.
Check the following:
•
Check the H/R Control Thermistor for cleanliness, damage and excessive wear at the
point where the Thermistor contacts the Heat Roll. Ensure that it is installed correctly.
•
If the surface of the Thermistor is worn, replace the H/R Control Thermistor
•
Inspect the surface of the Heat Roll for excessive wear due to the Thermistor. Replace the
Heat Roll if necessary
(PL
8.3).
If the problem continues, replace the H/R Control Thermistor
replace the IOT Drive PWB
(PL
9.2).
Status Indicator RAPs
10-361 Power On Heat Roll Not Ready RAP, 10-362
RAP.
P/J413A
from the IOT
(PL
8.4).
(PL
(PL
8.4). If the fault persists,
10-362 Standby Heat Roll Not Ready RAP
The Heat Roll Lamp was On continuously for 90 seconds during Standby Mode, but the Heat
Roll did not reach operating temperature.
Initial Actions
Refer to BSD 10.2 and 10.12 for the following procedure.
Procedure
Cheat the Front Door Interlock. Switch on the power. The Heat Roll Heater Rod illuminates
after self-test completes.
Y
N
Go to the
OF10-3 Heat Roll AC Power
Switch off the power. Cheat the Front Door Interlock Switch. Disconnect
Drive PWB. Check the resistance between J413-13 and J413-A7 of the harness. The resis-
tance should be in the range of 0.78K ohms when the Heat Roll is hot, to 150K ohms when
cool (room temperature). The resistance is within specification.
Y
N
Disconnect
P/J171
range of 0.78K ohms when the Heat Roll is hot, to 150K ohms when cool (room tempera-
ture). The resistance is within specification.
Y
N
Replace the Heat Roll Control Thermistor
Go to
Flag 1
and
Flag 3
tent short circuit to ground.
Check the following:
•
Check the H/R Control Thermistor for cleanliness, damage and excessive wear at the
point where the Thermistor contacts the Heat Roll. Ensure that it is installed correctly.
8.4).
•
If the surface of the Thermistor is worn, replace the H/R Control Thermistor
•
Inspect the surface of the Heat Roll for excessive wear due to the Thermistor. Replace the
Heat Roll if necessary
If the problem continues, replace the H/R Control Thermistor
replace the IOT Drive PWB
1/05
2-158
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RAP.
on the Heat Roll Control Thermistor. The resistance should be in the
(PL
8.4).
of BSD 10.2. Check for a loose wire or connector, or an intermit-
(PL
8.3).
(PL
(PL
9.2).
P/J413A
from the IOT
(PL
8.4).
8.4). If the fault persists,
Reissue
DocuColor 12/DCCS50
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Troubleshooting
