Sharp AR-LC6 Service Manual page 15

5. List
MAIN SUB
No. Title (Content)
CODE CODE
1 U6 09 Lift motor trouble
2 20 Communication trouble
3 21 Transport motor trouble
4 22 24V trouble
6. Details
Main Sub Title Lift motor trouble
U6 09 Display Message
Phenomenon Detail
Section
Case 1 Cause
Check
and
Remedy
Case 2 Cause
Check
and
Remedy
Case 3 Cause
Check
and
Remedy
Main Sub Title Communication trouble
U6 20 Display Message
Phenomenon Detail
Section
Case 1 Cause
Check
and
Remedy
Case 2 Cause
Check
and
Remedy
Case 3 Cause
Check
and
Remedy
Section
LCC
LCC
LCC
LCC
LCC lift motor operation
trouble. Tray lift-up trouble
LCC
Defective connection or
disconnection of connector
and harness
Check the connector and
the harness in the motor
line. Connect the connector
properly. Replace the
harness.
Motor lock, motor rpm
abnormality, motor
overcurrent, LRE trouble,
intrusion of foreign material
Use SIM 4-2 to select LRE
and check the operation of
the single unit. Use SIM 4-3
to select LLM and check the
operation of the single unit.
Check for intrusion of any
foreign material in the drive
system.
LC main PWB trouble, lift
motor trouble
Replace the LCC main PWB
or the lift motor.
Communication error with
LCC, communication line
test error after turning on the
power or canceling an
exclusive simulation.
LCC
Defective connection or
disconnection of connector
and harness
Check the connector and
the harness of the
communication line.
Connect the connector
properly. Replace the
harness.
LCC main PWB trouble,
control PWB (PCU) trouble
Replace the LCC PWB.
Replace the control PWB
(PCU).
Malfunction caused by
noises
Cancel by turning OFF/ON
the power.
AR-LC6 TROUBLESHOOTING 7 - 2
Operation mode Countermeasure (Remedy)
Tray lift-up Check connection.
LCC communication Turn OFF/ON the power.
Paper feed Check connection.
Power ON Check connection.
Main Sub Title
U6 21 Display
Phenomenon Detail
Case 1
Case 2
Case 3
Main Sub Title
U6 22 Display
Phenomenon Detail
Case 1
Case 2
Case 3
Note
Transport motor trouble
Message
LCC transport motor
operation trouble
Section LCC
Cause Defective connection or
disconnection of connector
and harness
Check Check the connector and
and the harness in the motor
Remedy line. Connect the connector
properly. Replace the
harness.
Cause Motor lock, motor rpm
abnormality, motor
overcurrent, intrusion of
foreign material
Check Use SIM 4-3 to select LTM
and and check the operation of
Remedy the single unit. Check for
intrusion of any foreign
material in the drive system.
Cause LCC main PWB trouble,
transport motor trouble
Check Replace the LCC main PWB
and or the transport motor.
Remedy
24V trouble
Message
24V supply for LCC is cut
off.
Section LCC
Cause Defective connection or
disconnection of connector
and harness
Check Check the connector and
and the harness which connect
Remedy LCC and the main unit.
Connect the connector
properly. Replace the
harness.
Cause Power source fuse blown-off
Check Check for short circuit
and between 24V and GND.
Remedy Check for pinched harness
and the LCC main PWB
trouble. Replace the fuse,
the harness, and the LCC
main PWB.
Cause Power source abnormality in
the main unit
Check Check 24V output on the
and main unit side.
Remedy