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MX-M700N SELF DIAG AND TROUBLE CODE 8 – 22
U5-31
DSPF tray lift-down trouble
U6-09
LCC lift motor trouble
U6-20
LCC communication trouble
U6-21
LCC transport motor trouble
U6-22
LCC 24V power abnormality addition
U7-00
RIC communication trouble
Details
STLD does not turn off within the specified time.
Section
Scanner
Case 1
Cause
STUD/STLD trouble.
STUD does not turn on within the specified time.
STLD does not turn off within the specified time.
Check and
remedy
Check the harness and the connector of the STUD
and STLD.
Lift-up trouble unit check
Details
• The upper limit sensor is not turned on within
24sec from starting the liftup motor.
• The encoder input is not made within 0.2sec
during rotation of the liftup motor. The upper
limit SW is turned on during rotation of the liftup
motor. When the above trouble occurs for 3
times continuously.
• For the first time and the second time, it is a tray
size error and the user pulls the tray.
When the trouble occurs 3 time continuously that
the upper limit sensor does not turn on.
Section
LCC
Case 1
Cause
Sensor trouble
LCC control PWB trouble.
Gear breakage.
Lift motor trouble.
Check and
remedy
Use SIM to check the sensor detection.
Use SIM to check the lift motor operation.
Use SIM 15 to cancel the trouble.
Details
Communication trouble with the LCC.
Follows the communication protocol
specifications.
Communication error, timing abnormality of the
communication data and the communication
signal line
Section
Engine
Case 1
Cause
Improper connection or disconnection of the
connector and the harness.
Desk control PWB trouble
Control PWB (PCU) trouble.
Malfunction caused by noises
Check and
remedy
Canceled by turning ON/OFF the power.
Check the connector and the harness in the
communication line.
Details
The lock detection signal is detected continuously
for 1sec after delay of 1sec from start of the motor.
When the motor lock detection signal is continued
for 1sec after 1sec delay from starting the motor.
For the first time, it is regarded as a Jam and the
machine is stopped. When two errors are
continued, it is regarded as a trouble.
Section
LCC
Case 1
Cause
Motor lock
Motor RPM abnormality
Overcurrent to the motor
Desk control PWB trouble
Check and
remedy
Use SIM 4-3 to check the transport motor
operation.
Details
24V power is not supplied to the LCC.
(The LCC 24V power is not detected for 1 sec or
longer after 1 sec from power on)
Section
LCC
Case 1
Cause
Improper connection or disconnection of the
connector and the harness.
Check and
remedy
Check the connector and the harness of the power
line.
Case 2
Cause
LCC control PWB trouble.
Power unit trouble.
Check and
remedy
Check the 24V power with the power unit and the
LCC control PWB.
Details
Communication error with RIC
(By PPC communication standards)
An error in the communication line test after
turning on the power or canceling the simulation
Section
Controller
Case 1
Cause
Improper connection or disconnection of the
connector and the harness.
RIC control PWB trouble.
Control PWB (MFP control) trouble.
Malfunction caused by noises.
Check and
remedy
Canceled by turning ON/OFF the power.
Check the connector and the harness in the
communication line.