Sharp AR-M550U - Page 388

AR-M550/M620/M700 SELF DIAG MESSAGE AND TROUBLESHOOTING 9 - 33
Main
code
Sub
code
Title
RIC copy inhibit command receive
PF 00 Phenomenon Display Lamp
Message
Details The copy inhibit
command is received
from the RIC (host). (By
PPC communication
standards.)
Section Controller
Operation
mode
Note
Case 1 Trouble
position/
Cause
Judged by the host.
Remedy Notification to the host
Note
Main
code
Sub
code
Title
FAX battery abnormality
U1 01 Phenomenon Display Lamp
Message
Details FAX battery abnormality
FAX backup SRAM
battery voltage fall
Section FAX
Operation
mode
Note
Case 1 Trouble
position/
Cause
Battery life
Remedy Check that the battery
voltage is about 2.5V or
above.
Note
Case 2 Trouble
position/
Cause
Battery circuit trouble
Remedy Check the battery circuit.
Note
Main
code
Sub
code
Title
RTC read error (combined use as
FAX, on MFP control PWB)
U1 02 Phenomenon Display Lamp
Message
Details RTC read error
(combined use as FAX,
on MFP control PWB)
The read value from the
RTC on the MFP control
PWB is abnormal such as
“EE”h.
Section Controller
Operation
mode
Note
U1 02 Case 1 Trouble
position/
Cause
RTC circuit trouble
Remedy Make the time setup
again with the key
operation and check that
the time advances
normally.
Check the RTC circuit.
Note
Case 2 Trouble
position/
Cause
Battery voltage fall
Remedy Check that the battery
voltage is about 2.5V or
above.
Note
Case 3 Trouble
position/
Cause
Battery circuit trouble
Remedy Check the battery circuit.
Note
Main
code
Sub
code
Title
EEPROM read/write error (MFP
control)
U2 00 Phenomenon Display Lamp
Message
Details EEPROM write error
Section Controller
Operation
mode
Note
Case 1 Trouble
position/
Cause
EEPROM trouble
Remedy Check that the EEPROM
is properly installed.
In the simulation to
prevent against delete of
the counter data/
adjustment values, write
down the counter/
adjustment values.
Note
Case 2 Trouble
position/
Cause
Insertion of EEPROM
which is not initialized
Remedy Use SIM 16 to cancel the
U2 trouble.
Note
Case 3 Trouble
position/
Cause
MFP control PWB
EEPROM access circuit
trouble
Remedy Replace the MFP control
PWB.
Note
Main
code
Sub
code
Title
RTC read error (combined use as
FAX, on MFP control PWB)