4. Troubleshooting
: An R4LCO40 or 24LCO4 EEPROM
is to be used. Check if a proper EEPROM
has been installed.
Insert and solder
an EEPROM
Replace the
EEPROM and repair
the short circuit.
NO
EEPROM 단자가 Open/Short
되었는가?
YES
NO
NO
EEPROM이 삽입 되었는가?
S/W 오동작
YES
YES
YES
NO
“E-51, E-53, or E-54” is displayed.
Has the EEPROM been inserted?
Is the EEPROM terminal opened or
is there a short-circuit?
EEPROM Defect
Replace the EEPROM
Does it work properly?
Perform the operation again and check if it
is working properly.
S/W Error
After Power > On,
does the symptom continue?
Replace the PCB.
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