DOWNLOAD Sharp AR-M550 (serv.man16) Service Manual ↓ Size: 814.54 KB | Pages: 47 in PDF or view online for FREE

AR-M550/M620  SELF DIAG MESSAGE AND TROUBLESHOOTING  9 - 17

Main 
code

Sub 

code

Title

Phenomenon

Display

Lamp
Message

Details

Finisher tray lift motor 
trouble
When operating the tray 
lift unit, the process is not 
completed in 12sec.
When the tray lift unit is 
lifting, the tray lift unit 
upper limit sensor ON is 
detected.
When operating the tray 
lift unit, en encoder input 
is not detected in 0.2sec.

Section

Finisher

Operation 
mode
Note 

Case 1

Trouble 
position/
Cause

Motor lock
Motor RPM abnormality
Overcurrent to the motor
Finisher control PWB 
trouble

Remedy

Use SIM 3-3 to check the 
elevator motor operation.

Note 

Main 
code

Sub 

code

Title

Phenomenon

Display

Lamp

Message

Details

Finisher/alignment motor 
trouble
When operating the 
alignment motor, it does 
not move from the home 
position in 2sec.
When operating the 
alignment motor, it does 
not return to the home 
position in 2sec.

Section

Finisher

Operation 
mode

Note 

Case 1

Trouble 
position/
Cause

Motor lock
Motor RPM abnormality
Overcurrent to the motor
Finisher control PWB 
trouble

Remedy

Use SIM 3-3 to check the 
motor operation.

Note 

Main 
code

Sub 

code

Title

Phenomenon

Display

Lamp
Message

Details

Finisher saddle folding 
sensor trouble
When the motor rotation 
speed (linear velocity) at 
every 200msec falls 
below the specified level.
When moving to the 
home position, the home 
position sensor does not 
turn on within the 
specified time.
When shifting from the 
home position to the lead 
edge, the home position 
sensor does not turn off 
within the specified time.

Section

Finisher

Operation 
mode

Note 

Case 1

Trouble 
position/
Cause

Sensor breakage
Harness disconnection
Console finisher control 
PWB trouble

Remedy

Use SIM 3-2 to check the 
sensor operation.

Note 

Main 
code

Sub 

code

Title

Phenomenon

Display

Lamp
Message

Details

Communication error 
between the finisher and 
the saddle
When the motor rotation 
speed (linear velocity) at 
every 200msec falls 
below the specified level.
When moving to the 
home position, the home 
position sensor does not 
turn on within the 
specified time.
When shifting from the 
home position to the lead 
edge, the home position 
sensor does not turn off 
within the specified time.

Section

Finisher

Operation 
mode

Note 

AR-M550/M620  SELF DIAG MESSAGE AND TROUBLESHOOTING  9 - 18

Case 1

Trouble 
position/
Cause

Improper connection or 
disconnection of the 
connector and the 
harness between the 
finisher and the saddle 
unit.

Remedy

Check the connector and 
the harness in the 
communication line.

Note 

Case 2

Trouble 
position/
Cause

Finisher control PWB 
trouble
Control PWB (PCU) 
trouble

Remedy

Replace the finisher 
control PWB.

Note 

Case 3

Trouble 
position/
Cause

Malfunction caused by 
noises

Remedy

Canceled by turning ON/
OFF the power.

Note 

Main 
code

Sub 

code

Title

Phenomenon

Display

Lamp
Message

Details

Finisher/punch shift 
motor trouble
When operating the 
punch shift motor, it does 
not move from the home 
position in 4sec.
When operating the 
punch shift motor, it does 
not return to the home 
position in 4sec.

Section

Finisher

Operation 
mode
Note 

Case 1

Trouble 
position/
Cause

Motor lock
Motor RPM abnormality
Overcurrent to the motor
Finisher control PWB 
trouble

Remedy

Use SIM 3-3 to check the 
motor operation.

Note 

Main 
code

Sub 

code

Title

Main 
code

Sub 

code

Title

Phenomenon

Display

Lamp
Message

Details

Finisher/punch motor 
trouble
When learning the punch 
unit, it does not complete 
normally and does not 
return to the home 
position.
When executing 
punching, it does not shift 
from the home position in 
0.2sec, or it overruns to 
go into non-HP state.
When operating the 
punch unit, the encoder 
input cannot be detected 
within 0.1sec.

Section

Finisher

Operation 
mode

Note 

Case 1

Trouble 
position/
Cause

Motor lock
Motor RPM abnormality
Overcurrent to the motor
Finisher control PWB 
trouble

Remedy

Use SIM 3-3 to check the 
motor operation.

Note 

Main 
code

Sub 

code

Title

Phenomenon

Display

Lamp

Message

Details

Finisher/ backup RAM 
trouble
When backup RAM data 
check sum is NG when 
turning on the power.

Section

Finisher

Operation 
mode

Note 

Case 1

Trouble 
position/
Cause

Finisher control PWB 
trouble
Malfunction caused by 
noises

Remedy

Replace the finisher 
control PWB.

Note 

AR-M550/M620  SELF DIAG MESSAGE AND TROUBLESHOOTING  9 - 19

Main 
code

Sub 

code

Title

Phenomenon

Display

Lamp
Message

Details

Finisher/punch backup 
ROM trouble
Punch unit backup RAM 
data are garbled.

Section

Finisher

Operation 
mode
Note 

Case 1

Trouble 
position/
Cause

Punch control PWB 
trouble
Malfunction caused by 
noises

Remedy

Replace the punch 
control PWB.

Note 

Main 
code

Sub 

code

Title

Phenomenon

Display

Lamp
Message

Details

Finisher/saddle 
positioning plate motor 
trouble
The positioning motor HP 
sensor does not turn on 
within 1.33sec after 
starting the motor.
The positioning motor HP 
sensor does not turn off 
within 1sec after starting 
the motor.

Section

Finisher

Operation 
mode

Note 

Case 1

Trouble 
position/
Cause

Finisher control PWB 
trouble
Malfunction caused by 
noises

Remedy

Replace the finisher 
control PWB.

Note 

Main 
code

Sub 

code

Title

Phenomenon

Display

Lamp
Message

Details

Finisher/saddle guide 
motor trouble
It does not return to the 
home position within the 
specified time from 
starting the guide motor.
The HP sensor does not 
turn off within the 
specified time when 
shifting from the home 
position to the specified 
position.

Section

Finisher

Operation 
mode
Note 

Case 1

Trouble 
position/
Cause

Finisher control PWB 
trouble
Malfunction caused by 
noises

Remedy

Replace the finisher 
control PWB.

Note 

Main 
code

Sub 

code

Title

Phenomenon

Display

Lamp

Message

Details

Finisher/saddle alignment 
motor trouble
When shifting to the 
home position, the home 
position sensor does not 
turn on.
The HP sensor does not 
turn off within the 
specified time when 
shifting from the home 
position to the specified 
position.

Section

Finisher

Operation 
mode

Note 

Case 1

Trouble 
position/
Cause

Finisher control PWB 
trouble
Malfunction caused by 
noises

Remedy

Replace the finisher 
control PWB.

Note 

AR-M550/M620  SELF DIAG MESSAGE AND TROUBLESHOOTING  9 - 20

Main 
code

Sub 

code

Title

Phenomenon

Display

Lamp
Message

Details

Finisher/saddle bottom 
staple motor trouble
The home position 
sensor does not turn off 
within the specified time 
after normal starting of 
the motor.
The home positions 
sensor does not turn on 
within the specified time 
after reverse starting of 
the motor in recovery.

Section

Finisher

Operation 
mode
Note 

Case 1

Trouble 
position/
Cause

Finisher control PWB 
trouble
Malfunction caused by 
noises

Remedy

Replace the finisher 
control PWB.

Note 

Main 
code

Sub 

code

Title

Phenomenon

Display

Lamp

Message

Details

Finisher/saddle front 
staple motor trouble
The home position 
sensor does not turn off 
within the specified time 
after normal starting of 
the motor.
The home positions 
sensor does not turn on 
within the specified time 
after reverse starting of 
the motor in recovery.

Section

Finisher

Operation 
mode

Note 

Case 1

Trouble 
position/
Cause

Finisher control PWB 
trouble
Malfunction caused by 
noises

Remedy

Replace the finisher 
control PWB.

Note 

Main 
code

Sub 

code

Title

Phenomenon

Display

Lamp
Message

Details

Finisher/saddle push 
motor trouble
When moving to the 
home position, the home 
position sensor does not 
turn on within the 
specified time.
The push lead edge 
sensor does not turn on 
within the specified time 
after shifting from the 
home position.
When shifting from the 
home position to the lead 
edge, the home position 
sensor does not turn off 
within the specified time.
The lead edge sensor 
does not turn off within 
the specified time when 
shifting from the lead 
edge position to the home 
position.
The motor RPM at every 
50msec falls below the 
specified level.
The lead edge sensor 
does not turn on within 
the specified time when 
shifting from the home 
position to the lead edge 
position.

Section

Finisher

Operation 
mode

Note 

Case 1

Trouble 
position/
Cause

Finisher control PWB 
trouble
Malfunction caused by 
noises

Remedy

Replace the finisher 
control PWB.

Note