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MX-7000N SELF DIAG AND TROUBLE CODE 8 – 32
U5-30
SPF tray lift-up trouble
U5-31
SPF 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
U6-23
LCC tray descending trouble
(reverse winding detection)
(reverse winding detection)
U6-24
LCC tray lock detection trouble
U6-51
LCC incompatibility trouble
UC-02
CPT-ASIC trouble
Trouble content
Lift-up trouble is detected 5 times continuously.
(STUD does not turn ON within the specified time.)
(STUD does not turn ON within the specified time.)
Section
SCU
Case 1
Cause
STUD/STLD trouble
Check and
remedy
remedy
Check STUD/STLD and its harness and connector.
Check the lift-up unit.
Check the lift-up unit.
Trouble content
Lift-down trouble (STLD does not turn OFF within
the specified time.)
the specified time.)
Section
SCU
Case 1
Cause
STUD/STLD trouble
Check and
remedy
remedy
Check STUD/STLD and its harness and connector.
Check the lift-up unit.
Check the lift-up unit.
Trouble content
• The encoder input value is not changed in
0.2sec (1st time)/0.5sec (2nd time and later)
after rotation of the motor.
after rotation of the motor.
• The motor is rotated for 24sec (LCX2)/48sec
(LCX3) or more.
Section
PCU
Case 1
Cause
Sensor trouble, LCC control PWB trouble, gear
breakage, lift motor trouble
breakage, lift motor trouble
Check and
remedy
remedy
Use SIM4-2 and 4-3 to check the operation of the
sensor and the lift motor. Use SIM15 to cancel the
trouble.
sensor and the lift motor. Use SIM15 to cancel the
trouble.
Trouble content
LCC communication error. Communication line test
error after turning ON the power or canceling the
exclusive simulation. LCC and machine model
codes discrepancy error
error after turning ON the power or canceling the
exclusive simulation. LCC and machine model
codes discrepancy error
Section
PCU
Case 1
Cause
Connector and harness connection trouble or
disconnection, LCC control PWB trouble, control
(PCU) PWB trouble, malfunction due to electrical
noises
disconnection, LCC control PWB trouble, control
(PCU) PWB trouble, malfunction due to electrical
noises
Check and
remedy
remedy
Turn OFF/ON the power to cancel the trouble.
Check the connector and the harness of the
communication line.
Check the connector and the harness of the
communication line.
Trouble content
After passing 1 sec from turning ON the motor, the
lock state of the motor lock signal is detected
continuously for 1 sec.
lock state of the motor lock signal is detected
continuously for 1 sec.
Section
PCU
Case 1
Cause
Motor lock, motor RPM abnormality, an
overcurrent to the motor, LCC control PWB trouble
overcurrent to the motor, LCC control PWB trouble
Check and
remedy
remedy
Use SIM4-3 to check the operation of the transport
motor.
motor.
Trouble content
DC24V power is not supplied to LCC.
Section
PCU
Case 1
Cause
Connector and harness connection trouble or
disconnection, LCC control PWB trouble, power
unit trouble
disconnection, LCC control PWB trouble, power
unit trouble
Check and
remedy
remedy
Check the connector and the harness of the power
line. Check that the power unit and the LCC control
PWB is of 24V.
line. Check that the power unit and the LCC control
PWB is of 24V.
Trouble content
Reverse winding of the LCC tray wire is detected.
Section
PCU
Case 1
Cause
Reverse winding of the wire
Check and
remedy
remedy
Check the wire.
Case 2
Cause
Connector and harness connection trouble
Check and
remedy
remedy
Check connection of the connector and the
harness.
harness.
Case 3
Cause
Reverse winding detection SW-ON, reverse
winding detection SW trouble, LCC control PWB
trouble
winding detection SW trouble, LCC control PWB
trouble
Check and
remedy
remedy
Replace the reverse winding SW and the LCC
control PWB.
control PWB.
Trouble content
Malfunction of the LCC tray lock mechanism is
detected.
detected.
Section
PCU
Case 1
Cause
Tray lock mechanism trouble
Check and
remedy
remedy
Check the tray lock mechanism.
Case 2
Cause
Connector and harness connection trouble
Check and
remedy
remedy
Check connection of the connector and the
harness.
harness.
Case 3
Cause
Tray lock detection sensor trouble, LCC control
PWB trouble
PWB trouble
Check and
remedy
remedy
Replace the tray lock detection sensor and the
LCC control PWB.
LCC control PWB.
Trouble content
Detection of LCC connection which is incompatible
with the MX-5500N/6200N/7000N series.
with the MX-5500N/6200N/7000N series.
Section
PCU
Case 1
Cause
Connection of the LCC, which is incompatible with
the MX-5500N/6200N/7000N series is detected.
the MX-5500N/6200N/7000N series is detected.
Check and
remedy
remedy
Connect the MX-LCX2/MX-LCX3.
Trouble content
CPT-ASIC access error (When the ASIC does not
operate normally.)
operate normally.)
Section
SCU
Case 1
Cause
1)
CPT-ASIC abnormality
2)
SCU PWB abnormality
Check and
remedy
remedy
Turn OFF/ON the power several times. If the
trouble still occurs, replace the SCU PWB or the
CPT-ASIC.
trouble still occurs, replace the SCU PWB or the
CPT-ASIC.
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