Sharp AR-162 Service Manual page 45

Main Sub
code code
F2 04 Content CRUM data read trouble
Detail Communication error between
CRUM PWB and MCU PWB
Cause CRUM PWB data error
MCU PWB error
MCU PWB EEPROM error
Disconnection between CRUM
(toner cartridge) and MCU PWB
Check and Replace the toner cartridge.
remedy Replace MCU PWB.
Replace MCU PWB EEPROM
Check and fix connection between
CRUM (toner cartridge) and MCU
PWB.
F5 02 Content Copy lamp error
Detail Copy lamp voltage detection error
Cause Power unit trouble
Copy lamp trouble
Inverter trouble
MCU PWB trouble
Check and Replace the power unit.
remedy Check the copy lamp ON with SIM
5-3.
Replace the copy lamp.
Replace the inverter.
Replace the MCU PWB.
F6 00 Content Communication trouble between
MCU and FAX (MCU detection)
Detail Communication establishment
error, framing error, parity error,
protocol error
Cause Bad connection of FAX control
PWB connector
Defective harness between FAX
control PWB and MCU PWB.
Motherboard connector pin
breakage
FAX control PWB ROM error, data
error
Check and Check connector/harness of FAX
remedy control PWB and MCU PWB.
Check grounding of the machine.
Check FAX control PWB ROM.
10 Content FAX control PWB trouble
Detail Communication trouble between
MCU and FAX control WPB
Cause Bad connection of FAX control
PWB connector
Defective harness between FAX
control PWB and MCU PWB
Motherboard connector pin
breakage
FAX control PWB ROM error/Data
error
Check and Check connector/harness between
remedy FAX control PWB and MCU PWB.
Check grounding of the machine.
Check FAX control PWB ROM.
80 Content FAX control PWB communication
trouble (Protocol)
Detail Communication trouble between
MCU and FAX control PWB
(Protocol error)
Detail of trouble
AR-162 TROUBLE CODE LIST – 4
Main Sub
code code
F6 80 Cause Bad connection of FAX control
PWB connector
Defective harness between FAX
control PWB and MCU PWB
Motherboard connector pin
breakage
FAX control PWB ROM error/Data
error
Check and Check connector/harness between
remedy FAX control PWB and MCU PWB.
Check grounding of the machine.
Check FAX control PWB ROM.
81 Content FAX control PWB communication
trouble (Parity)
Detail Communication trouble between
MCU and FAX control PWB
(Parity error)
Cause Bad connection of FAX control
PWB connector
Defective harness between FAX
control PWB and MCU PWB
Motherboard connector pin
breakage
FAX control PWB ROM error/Data
error
Check and Check connector/harness between
remedy FAX control PWB and MCU PWB.
Check grounding of the machine.
Check FAX control PWB ROM.
82 Content FAX control PWB communication
trouble (Overrun)
Detail Communication trouble between
MCU and FAX control PWB
(Overrun error)
Cause Bad connection of FAX control
PWB connector
Defective harness between FAX
control PWB and MCU PWB
Motherboard connector pin
breakage
FAX control PWB ROM error/Data
error
Check and Check connector/harness between
remedy FAX control PWB and MCU PWB.
Check grounding of the machine.
Check FAX control PWB ROM.
84 Content FAX control PWB communication
trouble (Framing)
Detail Communication trouble between
MCU and FAX control PWB
(Framing error)
Cause Bad connection of FAX control
PWB connector
Defective harness between FAX
control PWB and MCU PWB
Motherboard connector pin
breakage
FAX control PWB ROM error/Data
error
Check and Check connector/harness between
remedy FAX control PWB and MCU PWB.
Check grounding of the machine.
Check FAX control PWB ROM.
Detail of trouble