Read Sharp MX-6240N / MX-7040N (serv.man26) Service Manual online
MX-7040N TROUBLESHOOTING 7 – 11
G. Details of error codes and countermeasures
A0-01
PCU PWB ROM error
A0-02
SCU PWB ROM error
A0-04
Scanner expansion PWB (ACU)
(ACRE) ROM error
A0-05
Scanner expansion PWB (ACU)
(ACRE) firmware error
UC
02
CPT - ASIC error
SCU
12
CPT - ASIC abnormal trouble (DSPF detection)
SCU
20
DOCC ASIC error
SCU
30
Anti-copy MODULE trouble (DSPF detection)
SCU
UE
10
LCT1 suction fan motor trouble
PCU
11
LCT1 exhaust fan motor trouble
PCU
12
LCT1 warm air heater thermistor open
PCU
13
LCT1 warm air heater thermistor low temperature trouble
PCU
14
LCT1 warm air heater thermistor high temperature trouble
PCU
15
LCT1 warm air outlet port thermistor open
PCU
16
LCT1 warm air outlet port thermistor low temperature
PCU
17
LCT1 warm air outlet port thermistor high temperature
PCU
20
LCT2 suction fan motor trouble
PCU
21
LCT2 exhaust fan motor trouble
PCU
22
LCT2 warm air heater thermistor open
PCU
23
LCT2 warm air heater thermistor low temperature trouble
PCU
24
LCT2 warm air heater thermistor high temperature trouble
PCU
25
LCT2 warm air outlet port thermistor open
PCU
26
LCT2 warm air outlet port thermistor low temperature
PCU
27
LCT2 warm air outlet port thermistor high temperature
PCU
30
LCT3 suction fan motor trouble
PCU
31
LCT3 exhaust fan motor trouble
PCU
32
LCT3 warm air heater thermistor open
PCU
33
LCT3 warm air heater thermistor low temperature trouble
PCU
34
LCT3 warm air heater thermistor high temperature trouble
PCU
35
LCT3 warm air outlet port thermistor open
PCU
36
LCT3 warm air outlet port thermistor low temperature
PCU
37
LCT3 warm air outlet port thermistor high temperature
PCU
40
LCT4 suction fan motor trouble
PCU
41
LCT4 exhaust fan motor trouble
PCU
42
LCT4 warm air heater thermistor open
PCU
43
LCT4 warm air heater thermistor low temperature trouble
PCU
44
LCT4 warm air heater thermistor high temperature trouble
PCU
45
LCT4 warm air outlet port thermistor open
PCU
46
LCT4 warm air outlet port thermistor low temperature
PCU
47
LCT4 warm air outlet port thermistor high temperature
PCU
Trouble
code
Trouble content
Trouble
detection Mechanism Option Electricity FAX Supply
Main
code
Sub
code
Trouble content
Detail
MFP
Cause
The firmware version-up is not completed properly by
interruption of the power during the version-up
operation, etc.
PCU PWB trouble.
interruption of the power during the version-up
operation, etc.
PCU PWB trouble.
Check & Remedy
Use SIM49-1 to perform the firmware version-up
procedure again.
Replace the PCU PWB.
procedure again.
Replace the PCU PWB.
Trouble content
Detail
MFP
Cause
The firmware version-up is not completed properly by
interruption of the power during the version-up
operation, etc.
SCU PWB trouble.
interruption of the power during the version-up
operation, etc.
SCU PWB trouble.
Check & Remedy
Use SIM49-1 to perform the firmware version-up
procedure again.
Replace the SCU PWB.
procedure again.
Replace the SCU PWB.
Trouble content
Detail
MFP
Cause
Scanner expansion PWB (ACU) (ACRE) ROM data
error.
An error occurs during firmware upgrading for some
reasons.
error.
An error occurs during firmware upgrading for some
reasons.
Check & Remedy
Perform firmware upgrading again.
Trouble content
Detail
MFP
Cause
Improper firmware
A firmware of a different model is installed. A ROM of
a different model is installed.
A firmware of a different model is installed. A ROM of
a different model is installed.
Check & Remedy
Replace the ROM with a proper one.
Write the proper firmware. (Upgrade to the proper
firmware.)
Write the proper firmware. (Upgrade to the proper
firmware.)
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