Sharp MX-4100N Service Manual page 293

Trouble code
Main Sub
code code
U6 50 Mismatched Desk unit
51 LCC - Main unit combination trouble
U7 50 MFP PWB - Vendor machine communication error
51 Vendor machine error
UC 02 CPT - ASIC error
20 DOCC ASIC error
A0 01 PCU PWB ROM error
02 SCU PWB ROM error
04 ACU ROM error
10 MFP PWB ROM error
11 Firmware version inconsistency (MFP - PCU)
12 Firmware version inconsistency (MFP - SCU)
20 Conflict firmware and EEPROM data version (MFP)
21 Conflict firmware and EEPROM data version (PCU)
22 Conflict firmware and EEPROM data version(SCU)
3. Details of trouble code
C1-10 Main charger trouble (BK)
Trouble content
Detail PCU
Cause The main charger unit (BK) is not installed properly.
There is an abnormality in the main charger unit.
Disconnection of the high voltage PWB connector.
Breakage of the high voltage harness.
MC/DV PWB trouble.
PCU PWB trouble
Check & Remedy Check the output of the main charger with SIM8-2.
Check disconnection of the main charger./Replace.
Check disconnection of the high voltage PWB.
connector. /Replace.
Replace the MC/DV PWB.
Replace the PCU PWB.
C1-14 Main charger trouble (Color)
Trouble content
Detail PCU
Cause The main charger unit (CMY) is not installed
properly.
There is an abnormality in the main charger.
Disconnection of the high voltage PWB connector.
Breakage of the high voltage harness.
MC/DV PWB trouble.
PCU PWB trouble
Check & Remedy Check the output of the main charger with SIM8-2.
Check disconnection of the main charger./Replace.
Check disconnection of the high voltage PWB
connector. /Replace.
Replace the MC/DV PWB.
Replace the PCU PWB.
Trouble code content
MX-5001N SELF DIAG AND TROUBLE CODE 7 – 7
Trouble Mecha
detection nism
PCU
PCU
MFP
MFP
SCU
SCU
MFP
MFP
MFP
MFP
MFP
MFP
MFP
PCU
SCU
C4-00 PTC trouble
Trouble content
Detail PCU
Cause The PTC unit is not properly installed.
PTC unit trouble.
Secondary transfer PWB trouble.
PCU PWB trouble.
Connector, harness connection trouble.
Check & Remedy Replace the PTC unit.
Replace the secondary transfer PWB.
Replace the PCU PWB.
Check connection of the connector and the harness.
NOTE:
When the PTC unit is broken down and repair cannot
be made because of no replacement part:
To use the machine continuously, make the setting to
ignore the PTC trouble, and the machine can be
operated tentatively.
Set the engine soft SW8-3 in SIM55-1 to "1".
This setting disables the PTC output, the heater
control, and the error detection.
After completion of repair, set the engine soft SW8-3
in SIM55-1 to "0".
C4-02 PTC heater open trouble
Trouble content
Detail PCU
Cause The PTU unit is not installed, or the eater line
conduction trouble.
PCU PWB trouble.
Connector, harness connection trouble.
Check & Remedy Replace the PTC unit.
Replace the PCU PWB.
Check connection of the connector and the harness.
NOTE:
When the PTC unit is broken down and repair cannot
be made because of no replacement part:
To use the machine continuously, make the setting to
ignore the PTC trouble, and the machine can be
operated tentatively.
Set the engine soft SW8-3 in SIM55-1 to "1".
This setting disables the PTC output, the heater
control, and the error detection.
After completion of repair, set the engine soft SW8-3
in SIM55-1 to "0".
Electri
Option FAX Supply
city