Read Sharp AR-FX2 (serv.man2) Service Manual online
[10] TROUBLE CODE LIST
1. Machine trouble codes
Main
code
code
Sub code
Details of trouble
F6
00
Content
F6
∗∗ MCU-FAX communication
trouble (MCU detection)
Detail
Communication establishment error,
framing, parity, protocol error
framing, parity, protocol error
Cause
Bad connection of FAX control PWB
connector
Harness trouble between Fax control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM trouble, data
error
connector
Harness trouble between Fax control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM trouble, data
error
Check
and
remedy
Check connection and harness
between the FAX control PWB and
the MCU PWB.
Check grounding of the machine.
Check the FAX control PWB ROM.
between the FAX control PWB and
the MCU PWB.
Check grounding of the machine.
Check the FAX control PWB ROM.
10
Content
FAX control PWB trouble
Detail
MCU-FAX control PWB
communication trouble
communication trouble
Cause
Bad connection of FAX control PWB
connector
Harness trouble between Fax control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM trouble, data
error
connector
Harness trouble between Fax control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM trouble, data
error
Check
and
remedy
Check connection and harness
between the FAX control PWB and
the MCU PWB.
Check grounding of the machine.
Check the FAX control PWB ROM.
between the FAX control PWB and
the MCU PWB.
Check grounding of the machine.
Check the FAX control PWB ROM.
80
Content
FAX control PWB trouble (Protocol)
Detail
MCU-FAX control PWB
communication trouble (Protocol error)
communication trouble (Protocol error)
Cause
Bad connection of FAX control PWB
connector
Harness trouble between Fax control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM trouble, data
error
connector
Harness trouble between Fax control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM trouble, data
error
Check
and
remedy
Check connection and harness
between the FAX control PWB and
the MCU PWB.
Check grounding of the machine.
Check the FAX control PWB ROM.
between the FAX control PWB and
the MCU PWB.
Check grounding of the machine.
Check the FAX control PWB ROM.
81
Content
FAX control PWB trouble (Parity)
Detail
MCU-FAX control PWB
communication trouble (Parity error)
communication trouble (Parity error)
Cause
Bad connection of FAX control PWB
connector
Harness trouble between Fax control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM trouble, data
error
connector
Harness trouble between Fax control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM trouble, data
error
Check
and
remedy
Check connection and harness
between the FAX control PWB and
the MCU PWB.
Check grounding of the machine.
Check the FAX control PWB ROM.
between the FAX control PWB and
the MCU PWB.
Check grounding of the machine.
Check the FAX control PWB ROM.
Main
code
code
Sub code
Details of trouble
F6
82
Content
FAX control PWB trouble (Overrun)
Detail
MCU-FAX control PWB
communication trouble (Overrun error)
communication trouble (Overrun error)
Cause
Bad connection of FAX control PWB
connector
Harness trouble between Fax control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM trouble, data
error
connector
Harness trouble between Fax control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM trouble, data
error
Check
and
remedy
Check connection and harness
between the FAX control PWB and
the MCU PWB.
Check grounding of the machine.
Check the FAX control PWB ROM.
between the FAX control PWB and
the MCU PWB.
Check grounding of the machine.
Check the FAX control PWB ROM.
84
Content
FAX control PWB trouble (Framing)
Detail
MCU-FAX control PWB
communication trouble (Framing error)
communication trouble (Framing error)
Cause
Bad connection of FAX control PWB
connector
Harness trouble between Fax control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM trouble, data
error
connector
Harness trouble between Fax control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM trouble, data
error
Check
and
remedy
Check connection and harness
between the FAX control PWB and
the MCU PWB.
Check grounding of the machine.
Check the FAX control PWB ROM.
between the FAX control PWB and
the MCU PWB.
Check grounding of the machine.
Check the FAX control PWB ROM.
88
Content
FAX control PWB trouble (Time out)
Detail
MCU-FAX control PWB
communication trouble (Time out
error)
communication trouble (Time out
error)
Cause
Bad connection of FAX control PWB
connector
Harness trouble between Fax control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM trouble, data
error
connector
Harness trouble between Fax control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM trouble, data
error
Check
and
remedy
Check connection and harness
between the FAX control PWB and
the MCU PWB.
Check grounding of the machine.
Check the FAX control PWB ROM.
between the FAX control PWB and
the MCU PWB.
Check grounding of the machine.
Check the FAX control PWB ROM.
AR-FX2
10 – 1
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