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AR-BC260 TROUBLESHOOTING 11 - 24
Main
code
Sub
code
Title
Main power switch abnormality
detection
L8
04
Display
Lamp/Message
Phenomenon Detail
Though the PCU program is
operating (the power is
supplied), the main power
switch OFF is detected.
Section
—
Case 1
Cause
Main power switch trouble
Check &
Remedy
Replace the main power
switch.
Case 2
Cause
Power supply unit trouble
Check &
Remedy
Replace the power supply
unit.
Case 3
Cause
Harness trouble
Check &
Remedy
Check connection of the
harness and the connector.
Main
code
Sub
code
Title
RIC copy inhibit signal reception
PF
00
Display
Lamp/Message
Phenomenon Detail
The copy inhibit signal from
RIC (host) is received.
Section
—
Case 1
Cause
Depends on a judgment by
the host.
Check &
Remedy
Make notification to the
host. Use SIM 27-1 to
ignore.
Main
code
Sub
code
Title
ICU-OPE communication trouble
(ICU/OPE detection)
U0
00
Display
Lamp/Message
Phenomenon Detail
Communication
establishment error,
framing/parity/protocol error.
ROM version phase shift.
Section
—
Case 1
Cause
Disconnection of the
operation panel
communication connector
of the ICU/MFP PWB,
harness trouble between
the ICU PWB and the MFP
PWB.
Check &
Remedy
Check the connector and
the harness between the
ICU PWB and the MFP
PWB.
Case 2
Cause
ICU/MFP PWB trouble
Check &
Remedy
Check grounding of the
machine.
Replace the ICU PWB or
the MFP PWB.
Case 3
Cause
When the OPE-ROM
without security functions is
installed for the ICU-ROM
with security kit functions.
Check &
Remedy
Check the ROM version,
and replace it if necessary.
Main
code
Sub
code
Title
FAX battery abnormality
U1
01
Display
Lamp/Message
Phenomenon Detail
FAX backup SRAM battery
voltage fall
Section
FAX
Case 1
Cause
Battery life
Check &
Remedy
Check to insure that the
battery voltage is about
2.5V or above.
Case 2
Cause
Battery circuit abnormality.
Check &
Remedy
Check the battery circuit.
Main
code
Sub
code
Title
RTC read trouble
U1
02
Display
Lamp/Message
Phenomenon Detail
Abnormal value is read from
the RTC on the ICU PWB.
Section
—
Case 1
Cause
RTC circuit abnormality
Check &
Remedy
Set the time again with the
key operation, and check
that time advances
properly.
Check the RTC circuit.
Case 2
Cause
Battery voltage fall. Battery
circuit abnormality.
Check &
Remedy
Check to insure that the
battery voltage is about
2.5V or above. Check the
battery circuit.
Main
code
Sub
code
Title
EEPROM read/write error (ICU
detection)
U2
00
Display
Lamp/Message
Phenomenon Detail
EEPROM version error
EEPROM write error
Section
—
Case 1
Cause
EEPROM trouble.
EEPROM is not initialized.
Check &
Remedy
1. Check that the EEPROM
is properly set.
2. Use SIM 16 to cancel the
error.
Case 2
Cause
ICU PWB EEPROM access
circuit trouble
Check &
Remedy
1. To prevent against
deletion of the counter
data and the adjustment
data, record them with
the simulation. (When a
printer option is installed,
use SIM 22-1 to record
the counter data and the
adjustment data.)
2. Replace the ICU PWB.
3. Use SIM 16 to cancel the
error.