Sharp FO-3800M Servise Manual page 161

No C11
CASE 1 No
TROUBLE POSITION
CAUSE
REMEDY
NOTE
CASE 2 No
TROUBLE POSITION
CAUSE
REMEDY
NOTE
CASE 3 No
TROUBLE POSITION
CAUSE
REMEDY
NOTE
No C12
PHENOMENON DISPLAY
TITLE
DETAIL
SECTION
ITEM
TYPE (MODE)
OPERATION MODE
NOTE
BASIC CAUSE 1 EEPROM (MCU PWB) counter data trouble (data error)
CASE 1 No
TROUBLE POSITION
CAUSE
REMEDY
NOTE
Fusing temperature sensor (thermistor) signal recognition error
1) Fusing temperature sensor (thermistor) trouble
2) MCU PWB fusing temperature sensor (thermistor) input circuit trouble
(Check)
1) Fusing temperature sensor (thermistor)
2) MCU PWB fusing temperature sensor (thermistor) input circuit
(Remedy)
1) Fusing temperature sensor (thermistor) replacement
2) MCU PWB replacement
3) Reset the trouble with SIM 14.
(After work)
1) When the MCU PWB is replaced, perform simulations to input various set values and
adjustment values.
Heater lamp control signal trouble
1) MCU PWB heater lamp control circuit trouble
(Check)
1) MCU PWB
(Remedy)
1) MCU PWB replacement
2) Reset the trouble with SIM 14.
(After work)
1) When the MCU PWB is replaced, perform simulations to input various set values and
adjustment values.
Heater lamp drive trouble
1) Power PWB heater lamp drive circuit trouble
(Check)
1) Power PWB
(Remedy)
1) Power PWB replacement
2) Reset the trouble with SIM 14.
(After work)
CODE MAIN CODE
LAMP
EEPROM (MCU PWB) trouble (counter data error)
EEPROM (MCU PWB) counter data trouble (data error)
MCU PWB
User
Service
Other
All modes
EEPROM (MCU PWB) counter data trouble
EEPROM (MCU PWB) trouble
(Check)
(Remedy)
1) MCU PWB replacement
2) Reset the trouble with SIM 14.
3) Use simulations to set various set values and adjustment values.
(After work)
10 – 12
SELF DIAG CODE MESSAGE
U2 SUB CODE
EEPROM
Warning
Trouble
Other
Machine operation when the
message is displayed
FO-3800M
U2
01
Stop