Desk Transport Motor Trouble; Lcc Communication Trouble; Lcc Transport Motor Trouble; Lcc 24V Power Abnormality - Sharp MX-2300 G Service Manual

U6-10

Desk transport motor trouble

Trouble content Desk transport motor operation trouble
Section PCU
Case 1 Cause Motor lock, motor RPM abnormality, overcurent to the
motor, console finisher control PWB trouble
Check Use SIM 4-3 to check the operation of the desk
and transport motor.
remedy
U6-20

LCC communication 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
Section PCU
Case 1 Cause Connector and harness connection trouble or
disconnection, LCC control PWB trouble, control PWB
(PCU) trouble, malfunction due to electrical noises
Check Turn OFF/ON the power to cancel the trouble. Check
and the connector and the harness of the communication
remedy line.
U6-21

LCC transport motor trouble

Trouble content • The encoder input value is not changed in 0.06sec
after turning on the motor.
• The encoder input value is changed after a certain
time from turning OFF the motor. (After 5sec, count
is made for 0.1sec to get 100 or more count.)
Section PCU
Case 1 Cause Motor lock, motor RPM abnormality, an overcurrent to
the motor, LCC control PWB trouble
Check Use SIM4-3 to check the operation of the transport
and motor.
remedy
U6-22

LCC 24V power abnormality

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
Check Check the connector and the harness of the power
and line. Check that the power unit and the LCC control
remedy PWB is of 24V.
U6-50 Desk incompatibility trouble
Trouble content Detection of desk connection incompatible with the
MX-2300/2700 **
Section PCU
Case 1 Cause Connection of a desk which is incompatible with the
MX-2300/2700 ** is detected.
Check Connect the MX-DEX1/DEX2.
and
remedy
U6-51 LCC incompatibility trouble
Trouble content Detection of LCC connection which is incompatible
with the MX-2300/2700 **.
Section PCU
Case 1 Cause Connection of the LCC, which is incompatible with the
MX-2300/2700 ** is detected.
Check Connect the MX-LCX1.
and
remedy
MX-2300/2700 N/G SELF DIAG AND TROUBLE CODE 8 – 27
UC-02 CPT-ASIC abnormality
Trouble content CPT-ASIC access error (When the ASIC does not
operate normally.)
Section Scanner
Case 1 Cause CPT-ASIC abnormality, SCU PWB abnormality
Check Turn OFF/ON the power several times. If the trouble
and still occurs, replace the SCU PWB or the CPT-ASIC.
remedy
UC-20 Document control module trouble
Trouble content Communication error between SCU and DOCC
Communication line test error when turning on the
power or after canceling an exclusion simulation.
Section Scanner
Case 1 Cause Connector or harness connection error or
disconnection
Check Check the connector and harness in the
and communication line.
remedy
Case 2 Cause Control PWB (SCU) trouble, DOCC PWB trouble.
Check Replace the SCU PWB or the DOCC PWB.
and
remedy
Case 3 Cause Malfunction due to electrical noises.
Check Turn OFF/ON the power to electrical cancel the
and trouble.
remedy