Specifications

AR-FX8 MACHINE OPERATION 7-4
5. Trouble codes
* Only the FAX-related codes are extracted.
A. Details of trouble codes
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F6 00 Content Communication trouble (ICU detection)
between ICU and FAX
Details Communication establishment error/Fleming/
Parity/Protocol error
Cause Slave unit PWB connector disconnection
Harness abnormality between slave unit
PWB and ICU PWB.
Slave unit PWB mother board connector pin
breakage
Slave unit ROM abnormality/No ROM/
Reverse insertion of ROM/ROM pin
breakable
Check &
Remedy
Check connector harness between slave unit
PWB and ICU PWB.
Check grounding of machine.
Check slave unit PWB ROM.
01 Content FAX expansion flash memory abnormality
(ICU detection)
Details Expansion flash memory with Address data
backup data is installed.
Cause Address data backup data is detected in
expansion flash memory.
Expansion flash memory in which Address
data are backed up with SIM 66-19 is
installed.
Check &
Remedy
Restore backup data to Address data with
SIM 66-20, and clear expansion flash
memory with SIM 66-10.
If data are unnecessary, clear expansion
flash memory with SIM 66-10.
04 Content FAX modem operation abnormality
Details FAX PWB modem chip operation
abnormality
Cause The boot test pin in the FAX PWB is shorted
and normal operation is tried.
Modem chip operation abnormality in FAX
PWB
Check &
Remedy
Turn on the power again without shorting the
boot test pin in the FAX PWB.
Replace FAX PWB.
20 Content FAX write protect cancel
Details The write protect DIP switch on the ICU PWB
is released (canceled).
Cause The FAX write protect DIP switch is set to the
FAX write enable position.
FAX PWB trouble
Check &
Remedy
Check the write protect DIP switch on the
ICU PWB.
Replace the FAX PWB and the ICU PWB.
F6 21 Content Abnormal combination of the TEL/LIU PWB
and the FAX soft switch
Details Abnormal combination of the TEL/LIU PWB
and the FAX PWB information (soft switch)
Cause Erroneous destination of the installed TEL/
LIU PWB
Erroneous FAX PWB information
(soft switch)
Abnormal TEL/LIU PWB
Check &
Remedy
Check the destination of the TEL/LIU PWB
Check the FAX PWB information
(soft switches).
Replace the TEL/LIU PWB.
98 Content Abnormal combination of the FAX-BOX
destination information and the machine
destination information
Details Abnormal combination of the FAX-BOX
destination information and the machine
destination information
Cause Combination between the destination
information saved in the EEPROM on the
FAX-BOX and the machine destination
information (set with SIM26-6) is abnormal.
Check &
Remedy
Check the FAX-BOX destination.
Check the machine destination setup
(SIM26-6).
Use the proper combination of the machine
and the FAX-BOX.
F7 01 Content FAX board EEPROM read/write error
Details EEPROM access error (read/write)
Cause EEPROM trouble
FAX PWB EEPROM access circuit trouble
Check &
Remedy
Replace FAX PWB.
U1 01 Content Battery abnormality (on the ICU PWB)
Detail Backup SRAM battery voltage fall
Cause Battery life
Battery circuit abnormality
Check and
remedy
Check that the battery voltage is about 2.5V
or above.
Check the battery circuit.
02 Content RTC read abnormality
(common with FAX, on ICU PWB)
Details The value read from RTC on ICU PWB is
[EE]h (abnormal).
Cause RTC circuit abnormality
Battery voltage fall
Battery circuit abnormality
Check &
Remedy
Set the time again with key operation, and
check that time advances properly.
Check RTC circuit.
Check that battery voltage is about 2.5V or
above.
Check battery circuit.
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