Read Sharp AR-P350 / AR-P450 (serv.man8) Service Manual online
AR-P350 TROUBLE CODES-5
F2
39
Content
Process thermistor trouble
Detail
Process thermistor open
Cause
Process thermistor trouble
Process thermistor harness disconnection
PCU PWB trouble
Process thermistor harness disconnection
PCU PWB trouble
Check and
remedy
remedy
Check connection of harness and connector
of the process thermistor.
Check PCU PWB.
of the process thermistor.
Check PCU PWB.
F3
12
Content
Machine no. 1 tray lift-up trouble
Detail
PED does not turn ON in the specified time.
LUD does not turn ON in the specified time.
LUD does not turn ON in the specified time.
Cause
PED/LUD trouble
No. 1 tray lift-up trouble
Check connection of harness between the
PCVU PWB, lift-up unit, and paper feed unit.
No. 1 tray lift-up trouble
Check connection of harness between the
PCVU PWB, lift-up unit, and paper feed unit.
Check and
remedy
remedy
Check PED, LUD, and their harness and
connectors.
Check the lift-up unit.
connectors.
Check the lift-up unit.
22
Content
Machine No. 2 tray lift-up trouble
Detail
MCPED does not turn ON in the specified
time.
MCLUD does not turn ON in the specified
time.
time.
MCLUD does not turn ON in the specified
time.
Cause
MCPED/MCLUD trouble
No. 2 tray lift-up motor trouble
Harness disconnection f the PCU PWB, the
lift-up unit, and the paper feed unit.
No. 2 tray lift-up motor trouble
Harness disconnection f the PCU PWB, the
lift-up unit, and the paper feed unit.
Check and
remedy
remedy
Check MCPED, PCLUD, and their harness
and connectors.
Check the lift-up unit.
and connectors.
Check the lift-up unit.
H2
00···
HL1
(RT
H1)
H1)
01···
HL2
(RT
H2)
H2)
Content
thermistor open
Fusing unit not installed
Fusing unit not installed
Detail
Thermistor is open.
(An input voltage of 2.92V or above is
detected.)
Fusing unit not installed
(An input voltage of 2.92V or above is
detected.)
Fusing unit not installed
Cause
Thermistor trouble
Control PWB trouble
Fusing section connector disconnection
AC power trouble
Fusing unit not installed
Control PWB trouble
Fusing section connector disconnection
AC power trouble
Fusing unit not installed
Check and
remedy
remedy
Check harnesses and connectors from the
thermistor to the control PWB.
Use DIAG (SIM14) to clear the self diag
display.
thermistor to the control PWB.
Use DIAG (SIM14) to clear the self diag
display.
H3
00···
1HL1
(RT
H1)
H1)
01···
HL2
(RT
H2)
H2)
Content
Fusing section high temperature trouble
Detail
The fusing temperature exceeds 242°C.
(An input voltage of 0.27V or above is
detected.)
(An input voltage of 0.27V or above is
detected.)
Cause
thermistor trouble
Control PWB trouble
Fusing section connector disconnection
AC power trouble
Control PWB trouble
Fusing section connector disconnection
AC power trouble
Check and
remedy
remedy
Use DIAG (SIM5-2) to check the heater lamp
Blinking operation.
Blinking operation.
If the heater lamp blinks normally:
Check the thermistor and its harness.
Check the thermistor input circuit in the
control PWB.
Check the thermistor and its harness.
Check the thermistor input circuit in the
control PWB.
If the heater lamp keep lighting:
Check the AC PWB and the lamp control
circuit in the control PWB.
Use DIAG (SIM14) to cancel the trouble
circuit in the control PWB.
Use DIAG (SIM14) to cancel the trouble
MAIN
SUB
H4
00···
1HL1
(RT
H1)
H1)
01···
HL2
(RT
H2)
H2)
Content
Fusing section low temperature trouble
Detail
•The set temperature is not reached within
the specified time (normally 3 min) when
warming up or resetting from pre-heating.
•Under the ready state.
(An input voltage of 1.21V or below is
detected 5 times continuously.)
Cause
thermistor trouble
Heater lamp trouble
Control PWB trouble
Thermostat trouble
AC power trouble
Interlock switch trouble
Heater lamp trouble
Control PWB trouble
Thermostat trouble
AC power trouble
Interlock switch trouble
Check and
remedy
remedy
Use DIAG (SIM5-2) to check the heater lamp
Blinking operation.
Blinking operation.
If the heater lamp blinks normally:
Check the thermistor and its harness.
Check the thermistor input circuit in the
control PWB.
Check the thermistor and its harness.
Check the thermistor input circuit in the
control PWB.
If the heater lamp does not light:
Check for heater lamp disconnection and
thermostat disconnection.
Check the interlock switch.
Check the AC PWB and the lamp control
circuit in the control PWB.
Use DIAG (SIM14) to cancel the trouble.
thermostat disconnection.
Check the interlock switch.
Check the AC PWB and the lamp control
circuit in the control PWB.
Use DIAG (SIM14) to cancel the trouble.
H5
01
Content
5-time continuous POD1 not-reaching jam
detection
detection
Detail
5-time continuous POD1 not-reaching jam
detection
detection
Cause
A fusing section jam is not properly removed.
(Jam paper remains.)
POD1 sensor trouble, or harness
disconnection
Improper installation of fusing unit
(Jam paper remains.)
POD1 sensor trouble, or harness
disconnection
Improper installation of fusing unit
Check and
remedy
remedy
Check jam paper in the fusing section.
(winding, etc.)
Check POD1 sensor harness, and check
installation the fusing unit.
Use DIAG (SIM14) to cancel the trouble.
(winding, etc.)
Check POD1 sensor harness, and check
installation the fusing unit.
Use DIAG (SIM14) to cancel the trouble.
L4
01
Content
Main motor lock detection
Detail
The motor lock signal is detected for 1.5sec
during rotation of the main motor.
during rotation of the main motor.
Cause
main motor trouble
Check connection of harness between the
PCU PWB and the main motor.
Control circuit trouble
Check connection of harness between the
PCU PWB and the main motor.
Control circuit trouble
Check and
remedy
remedy
Use DIAG (SIM25-1) to check the main
motor operation.
Check harness and connector between the
PCU PWB and the main motor.
motor operation.
Check harness and connector between the
PCU PWB and the main motor.
02
Content
Drum motor lock detection
Detail
The motor lock signal is detected for 1.5sec
during rotation of the drum motor.
during rotation of the drum motor.
Cause
Drum motor trouble
Improper connection of harness between the
PCU PWB and the drum motor.
Control circuit trouble
Improper connection of harness between the
PCU PWB and the drum motor.
Control circuit trouble
Check and
remedy
remedy
Use DIAG (SIM25-1) to check the drum
motor operation.
Check harness and connector between the
PCU PWB and the drum motor.
motor operation.
Check harness and connector between the
PCU PWB and the drum motor.
MAIN
SUB
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