4. Troubleshooting
YES
YES
YES
YES
NO
NO
NO
NO
YES
NO
“ E-0b, E-2b, E-2C, Ot” is displayed.
Is the temperature
sensor of the PCB open?
Was there a short-
circuit in the temperature
sensor of the PCB?
An “E-2C” error occurred.
Repair the short circuit.
Is the temperature
of the PCB over 90°C?
An “E-2b” error
occurred.
Insert the
temperature sensor.
An “E-0b” error
occurred.
Check the Motor
drive part.
Is the Cooling Motor
rotating?
The temperature
sensor is out of order.
Replace the
temperature sensor.
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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