Trouble Codes; Trouble Codes List; Details Of Trouble Codes - Sharp AL-2051 Service Manual

5. Trouble codes

A. Trouble codes list
Main Sub
Details of trouble
code code
E1 00 Network board communication trouble
01 Network board command time out error
80 Network board communication interface error
(Break in)
81 Network board communication interface error (Parity)
82 Network board communication interface error
(Overrun)
84 Network board communication interface error
(Framing)
E7 01 Duplex model memory setup error, memory not-
detected error
02 LSU trouble
10 Shading trouble (Black correction)
11 Shading trouble (White correction)
16 Abnormal laser output
F2 64 Toner supply abnormality
70 Improper cartridge
74 Toner cartridge CRUM error
F5 02 Copy lamp lighting abnormality
H2 00 Thermistor open
H3 00 Heat roller high temperature detection
H4 00 Heat roller low temperature detection
L1 00 Feeding is not completed within the specified time
after starting feeding. (The scan head locking switch
is locked)
L3 00 Scanner return trouble
L4 01 Main motor lock detection
32 Exhaust fan motor lock detection trouble
L6 10 Polygon motor lock detection
U1 03 Network board battery error
U2 04 EEPROM read/write error (Serial communication
error)
11 Counter check sum error (EEPROM)
U9 99 Panel language error
B. Details of trouble codes
Main
code
AL-2051 SIMULATION, TROUBLE CODES 10 - 32
Sub
Details of trouble
code
E1 00 Content Network board communication trouble
Detail An abnormality occurs in communication
between the MCU and the network board.
Cause Improper connection of the network board
cable
Improper firmware
Network board abnormality
MCU abnormality
Check Check connection of the network board
and cable.
remedy Update firmware.
Replace the MCU and network board with
new one.
01 Content Network board command time out error
Detail MCU cannot receive response from the
network board while 30sec.
Cause Improper connection of the network board
cable
Improper firmware
Network board abnormality
MCU abnormality
Check Check connection of the network board
and cable.
remedy Update firmware.
Replace the MCU and network board with
new one.
80 Content Network board communication interface
error (Break in)
Detail A break in error occurs in communication
between the CPU and the network board.
Cause Improper connection of the network board
cable
Improper firmware
Network board abnormality
MCU abnormality
Check Check connection of the network board
and cable.
remedy Update firmware.
Replace the MCU and network board with
new one.
81 Content Network board communication interface
error (Parity)
Detail A parity error occurs in communication
between the MCU and the network board.
Cause Improper connection of the network board
cable
Improper firmware
Network board abnormality
MCU abnormality
Check Check connection of the network board
and cable.
remedy Update firmware.
Replace the MCU and network board with
new one.