Read Sharp MX-M950 / MX-MM1100 (serv.man39) Service Manual online
MX-M1100 SELF DIAG AND TROUBLE CODE 8 – 26
L4-39
Reverse cooling fan trouble
L4-40
Ozone exhaust fan 1 trouble
L4-41
Ozone exhaust fan 2 trouble
L4-43
Paper cooling fan trouble
L4-46
Development cooling fan 1 trouble
L4-47
Power cooling fan 3 trouble
L4-48
ADU section paper cooling fan 1
trouble
trouble
L4-49
ADU section paper cooling fan 2
trouble
trouble
Detail
The lock signal is detected during operation of the
reverse cooling fan
reverse cooling fan
Section
PCU
Cause
Harness connection trouble between the PCU PWB and
the fan motor.
PCU PWB trouble. Fan motor trouble.
The fan is not rotating due to other trouble.
(Power is not supplied to the fan motor.)
the fan motor.
PCU PWB trouble. Fan motor trouble.
The fan is not rotating due to other trouble.
(Power is not supplied to the fan motor.)
Check &
Remedy
Remedy
Use Sim. 6-2 to check the operation of the fan motor.
Check the harness and the connector between the PCU
PWB and the fan motor.
Replace the PCU PWB. Replace the fan motor.
Check the harness and the connector between the PCU
PWB and the fan motor.
Replace the PCU PWB. Replace the fan motor.
Detail
The lock signal is detected during operation of the
ozone exhaust fan
ozone exhaust fan
Section
PCU
Cause
Harness connection trouble between the PCU PWB and
the fan motor.
PCU PWB trouble. Fan motor trouble.
The fan is not rotating due to other trouble.
(Power is not supplied to the fan motor.)
the fan motor.
PCU PWB trouble. Fan motor trouble.
The fan is not rotating due to other trouble.
(Power is not supplied to the fan motor.)
Check &
Remedy
Remedy
Use Sim. 6-2 to check the operation of the fan motor.
Check the harness and the connector between the PCU
PWB and the fan motor.
Replace the PCU PWB. Replace the fan motor.
Check the harness and the connector between the PCU
PWB and the fan motor.
Replace the PCU PWB. Replace the fan motor.
Detail
The lock signal is detected during operation of the
ozone exhaust fan
ozone exhaust fan
Section
PCU
Cause
Harness connection trouble between the PCU PWB and
the fan motor.
PCU PWB trouble. Fan motor trouble.
The fan is not rotating due to other trouble.
(Power is not supplied to the fan motor.)
the fan motor.
PCU PWB trouble. Fan motor trouble.
The fan is not rotating due to other trouble.
(Power is not supplied to the fan motor.)
Check &
Remedy
Remedy
Use Sim. 6-2 to check the operation of the fan motor.
Check the harness and the connector between the PCU
PWB and the fan motor.
Replace the PCU PWB. Replace the fan motor.
Check the harness and the connector between the PCU
PWB and the fan motor.
Replace the PCU PWB. Replace the fan motor.
Detail
The lock signal is detected during operation of the
paper cooling fan
paper cooling fan
Section
PCU
Cause
Harness connection trouble between the PCU PWB and
the fan motor.
PCU PWB trouble. Fan motor trouble.
The fan is not rotating due to other trouble.
(Power is not supplied to the fan motor.)
the fan motor.
PCU PWB trouble. Fan motor trouble.
The fan is not rotating due to other trouble.
(Power is not supplied to the fan motor.)
Check &
Remedy
Remedy
Use Sim. 6-2 to check the operation of the fan motor.
Check the harness and the connector between the PCU
PWB and the fan motor.
Replace the PCU PWB. Replace the fan motor.
Check the harness and the connector between the PCU
PWB and the fan motor.
Replace the PCU PWB. Replace the fan motor.
Detail
The lock signal is detected during operation of the
developing cooling fan
developing cooling fan
Section
PCU
Cause
Harness connection trouble between the PCU PWB and
the fan motor.
PCU PWB trouble. Fan motor trouble.
The fan is not rotating due to other trouble.
(Power is not supplied to the fan motor.)
the fan motor.
PCU PWB trouble. Fan motor trouble.
The fan is not rotating due to other trouble.
(Power is not supplied to the fan motor.)
Check &
Remedy
Remedy
Use Sim. 6-2 to check the operation of the fan motor.
Check the harness and the connector between the PCU
PWB and the fan motor.
Replace the PCU PWB. Replace the fan motor.
Check the harness and the connector between the PCU
PWB and the fan motor.
Replace the PCU PWB. Replace the fan motor.
Detail
The lock signal is detected during operation of the
power cooling fan
power cooling fan
Section
PCU
Cause
Harness connection trouble between the PCU PWB and
the fan motor.
PCU PWB trouble. Fan motor trouble.
The fan is not rotating due to other trouble.
(Power is not supplied to the fan motor.)
the fan motor.
PCU PWB trouble. Fan motor trouble.
The fan is not rotating due to other trouble.
(Power is not supplied to the fan motor.)
Check &
Remedy
Remedy
Use Sim. 6-2 to check the operation of the fan motor.
Check the harness and the connector between the PCU
PWB and the fan motor.
Replace the PCU PWB. Replace the fan motor.
Check the harness and the connector between the PCU
PWB and the fan motor.
Replace the PCU PWB. Replace the fan motor.
Detail
The lock signal is detected during operation of the ADU
section paper cooling fan
section paper cooling fan
Section
PCU
Cause
Harness connection trouble between the PCU PWB and
the fan motor.
PCU PWB trouble. Fan motor trouble.
The fan is not rotating due to other trouble.
(Power is not supplied to the fan motor.)
the fan motor.
PCU PWB trouble. Fan motor trouble.
The fan is not rotating due to other trouble.
(Power is not supplied to the fan motor.)
Check &
Remedy
Remedy
Use Sim. 6-2 to check the operation of the fan motor.
Check the harness and the connector between the PCU
PWB and the fan motor.
Replace the PCU PWB. Replace the fan motor.
Check the harness and the connector between the PCU
PWB and the fan motor.
Replace the PCU PWB. Replace the fan motor.
Detail
The lock signal is detected during operation of the ADU
section paper cooling fan
section paper cooling fan
Section
PCU
Cause
Harness connection trouble between the PCU PWB and
the fan motor.
PCU PWB trouble. Fan motor trouble.
The fan is not rotating due to other trouble.
(Power is not supplied to the fan motor.)
the fan motor.
PCU PWB trouble. Fan motor trouble.
The fan is not rotating due to other trouble.
(Power is not supplied to the fan motor.)
Check &
Remedy
Remedy
Use Sim. 6-2 to check the operation of the fan motor.
Check the harness and the connector between the PCU
PWB and the fan motor.
Replace the PCU PWB. Replace the fan motor.
Check the harness and the connector between the PCU
PWB and the fan motor.
Replace the PCU PWB. Replace the fan motor.
Click on the first or last page to see other MX-M950 / MX-MM1100 (serv.man39) service manuals if exist.