
AR-M550/M620/M700 SELF DIAG MESSAGE AND TROUBLESHOOTING 9 - 36
Main
code
Sub
code
Title
EEPROM red/write error (Scanner)
U2
80
Phenomenon
Display
Lamp
Message
Details
EEPROM red/write error
(Scanner)
EEPROM communication
trouble (NACK detection)
Retry 3 times
Section
Scanner
Operation
mode
Note
Case 1
Trouble
position/
Cause
EEPROM trouble
Remedy
Check that the EEPROM
is properly installed.
In the simulation to
prevent against delete of
the counter data/
adjustment values, write
down the counter/
adjustment values.
Note
Case 2
Trouble
position/
Cause
Insertion of EEPROM
which is not initialized
Remedy
Use SIM 16 to cancel the
U2 trouble.
Note
Case 3
Trouble
position/
Cause
Scanner PWB EEPROM
access circuit trouble
Remedy
Replace the scanner
PWB.
Note
Main
code
Sub
code
Title
Memory check sum error (Scanner)
U2
81
Phenomenon
Display
Lamp
Message
Details
Memory check sum error
(Scanner)
When counter data sum
error is detected.
Section
Scanner
Operation
mode
Note
Case 1
Trouble
position/
Cause
EEPROM trouble
Remedy
Check that the EEPROM
is properly installed.
In the simulation to
prevent against delete of
the counter data/
adjustment values, write
down the counter/
adjustment values.
Note
U2
81
Case 2
Trouble
position/
Cause
Control circuit runaway
due to noises
Remedy
Use SIM 16 to cancel the
U2 trouble.
Note
Case 3
Trouble
position/
Cause
Scanner PWB EEPROM
access circuit trouble
Remedy
Replace the scanner
PWB.
Note
Main
code
Sub
code
Title
EEPROM read/write error (PCU)
U2
90
Phenomenon
Display
Lamp
Message
Details
EEPROM read/write error
(PCU)
EEPROM communication
trouble (NACK detection)
Retry 3 times
Section
Engine
Operation
mode
Note
Case 1
Trouble
position/
Cause
EEPROM trouble
Remedy
Check that the EEPROM
is properly installed.
In the simulation to
prevent against delete of
the counter data/
adjustment values, write
down the counter/
adjustment values.
Note
Case 2
Trouble
position/
Cause
Insertion of EEPROM
which is not initialized
Remedy
Use SIM 16 to cancel the
U2 trouble.
Note
Case 3
Trouble
position/
Cause
PCU PWB EEPROM
access circuit trouble
Remedy
Replace the PCU PWB.
Note
Main
code
Sub
code
Title
Memory check sum error (Scanner)
Содержание AR-M550N
Страница 456: ...Memo ...
Страница 457: ...Memo ...