Sharp AR-LC6 Manual de serviço - Página 15

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5. List

MAIN

SUB

No.

Title (Content)

CODE

Lift motor trouble

Communication trouble

Transport motor trouble

24V trouble

6. Details

Main

Sub

Title

Lift motor trouble

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

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 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

Display

Phenomenon Detail

Case 1

Case 2

Case 3

Main

Sub

Title

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