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Troubleshooting
1) Failure code occur during customer using & Solution;
Failure code
E1
Supply voltage is above the rated voltage.
E2
Supply voltage is below the rated voltage.
High temperature of ceramic plate sensor .
E3
1#
High temperature of ceramic plate sensor .
E4
2#
E5
High temperature of IGBT . 1#
E6
High temperature of IGBT. 2#
Ceramic plate temperature sensor failure-
F3/F6
-short circuit. (F3 for 1#, F6 for 2#)
Ceramic plate temperature sensor
F4/F7
failure--open circuit. (F4 for 1#,F7 for2#)
Ceramic plate temperature sensor
F5/F8
failure—invalid . (F5 for 1#,F8 for2#)
Temperature sensor of the IGBT failure.
F9/FA
short circuit/open circuit for 1#
Temperature sensor of the IGBT failure.
FC /FD
short circuit/open circuit for 2#
2) Specific Failure & Solution
Failure
The LED does not
come on when unit
is plugged in.
Some buttons can't work,
or the LED display is not
normal.
Problem
Auto-Recovery
No Auto-Recovery
Problem
No power supplied.
The
accessorial
power
board and the display
board connected failure.
The accessorial power
board is damaged.
The display board is
damaged.
The display board is
damaged.
19
Solution
Please inspect whether power supply is
normal.
Power on after the power supply is normal.
Wait for the temperature of ceramic
plate return to normal.
Touch "ON/OFF" button to restart unit.
Wait for the temperature of IGBT return
to normal.
Touch "ON/OFF" button to restart unit.
Check whether the fan runs smoothly;
if not , replace the fan.
Check the connection or replace the
ceramic plate temperature sensor.
Replace the power board.
Solution A
Check to see if plug is
secured tightly in outlet
and that outlet is
working.
Check the connection.
Replace the accessorial
power board.
Replace the
display board.
Replace the
display board.
Solution B
V.1
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