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AR-BC260 TROUBLESHOOTING 11 - 20
Main
code
Sub
code
Title
ICU-PRT communication trouble
(ICU detection)
F9
00
Display
Lamp/Message
Phenomenon Detail
Communication
establishment error,
framing, parity, protocol
error
Section
ICU/PRT PWB
Case 1
Cause
Defective connection of the
ICU/PRT PWB
communication connector,
defective harness between
the ICU PWB and the PRT
PWB
Check &
Remedy
Check connection and the
harness between the ICU
PWB and the MFP PWB.
Check the machine earth.
Case 2
Cause
Defective ICU PWB/PRT
PWB
Check &
Remedy
Replace the ICU or the PRT
PWB.
Main
code
Sub
code
Title
PRT DRAM trouble
F9
01
Display
Lamp/Message
Phenomenon Detail
DRAM in the PRT PWB
cannot be accessed.
Section
PRT PWB
Case 1
Cause
Defective installation of the
DRAM
Check &
Remedy
Check connection of the
DRAM.
Case 2
Cause
Defective DRAM
Check &
Remedy
Replace the DRAM.
Main
code
Sub
code
Title
NIC port check error
F9
03
Display
Lamp/Message
Phenomenon Detail
NIC port check error
Section
—
Case 1
Cause
Defective connection of the
NIC connector.
Check &
Remedy
Check the NIC connector
again.
Case 2
Cause
Defective NIC PWB
Check &
Remedy
Replace the NIC.
Case 3
Cause
Defective PRT PWB
Check &
Remedy
Replace the PRT PWB.
Main
code
Sub
code
Title
HDD trouble (PRT controller
detection)
F9
20
Display
Lamp/Message
Phenomenon Detail
The HDD (option) does not
operate normally in the
machine with the HDD.
Section
HDD
Case 1
Cause
Defective connection of the
HDD connector.
Check &
Remedy
Check the HDD connector
again.
Case 2
Cause
Defective HDD
Check &
Remedy
Replace the HDD.
Case 3
Cause
Defective PRT PWB
Check &
Remedy
Replace the PRT PWB.
Main
code
Sub
code
Title
Thermistor open (HL1)
H2
00
Display
Lamp/Message
Phenomenon Detail
Thermistor open
Section
Fusing
Case 1
Cause
Disconnection of the fusing
section connector
Check &
Remedy
Check the connector and
the harness between the
thermistor and the control
PWB.
Case 2
Cause
The fusing unit is not
installed.
Check &
Remedy
Install the fusing unit.
Case 3
Cause
Thermistor trouble, control
PWB trouble, AC power
supply trouble
Check &
Remedy
Replace the thermistor or
the control PWB. Check the
AC power supply.
Main
code
Sub
code
Title
Thermistor open (HL2)
H2
01
Display
Lamp/Message
Phenomenon Detail
Thermistor open
Section
Fusing
Case 1
Cause
Disconnection of the fusing
section connector
Check &
Remedy
Check the connector and
the harness between the
thermistor and the control
PWB.
Case 2
Cause
The fusing unit is not
installed.
Check &
Remedy
Install the fusing unit.
Case 3
Cause
Thermistor trouble, control
PWB trouble, AC power
supply trouble
Check &
Remedy
Replace the thermistor or
the control PWB. Check the
AC power supply.