Failure code
High temperature of ceramic plate
C1
sensor.
Temperature sensor of the NTC
E3
failure --open circuit.
Temperature sensor of the NTC
E4
failure --short circuit
Supply voltage is below the rated
EL
voltage.
Supply voltage is above the rated
EH
voltage.
EU
Communication error.
Problem
Wait for the temperature of ceramic plate return to
normal.
Touch "ON/OFF" button to restart unit.
Replace the display board.
Please inspect whether power supply is normal.
Power on after the power supply is normal.
Reinsert the connection between the display board
and the power board.
Replace the power board or the display board.
24
Solution