E3
High temperature of ceramic
plate sensor.
(
1#
)
E4
High temperature of ceramic
plate sensor.
(
2#
)
E5
High temperature of
IGBT.
(1#)
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.
E6
High temperature of
IGBT. (2#)
No Auto-Recovery
F3/F6
Ceramic plate temperature sensor
failure- -short circuit. (F3 for
1#,F6 for2#)
Check the connection or
replace the ceramic plate
temperature sensor.
F4/F7
Ceramic plate temperature sensor
failure--open circuit. (F4 for
1#,F7 for2#)
F5/F8
Ceramic plate temperature sensor
failure—invalid. (F5 for 1#,F8
for2#)
F9/FA
Temperature sensor of the IGBT
failure. (short circuit/open circuit
for #1)
Replace the power
board.
FC /FD
Temperature sensor of the IGBT
failure. (short circuit/open
circuit for #2)
2) Specific Failure & Solution
Failure
Problem
Solution A
Solution B
The LED does
not
come
on
when
unit
is
plugged in.
No power supply
Check to see if plug
is secured tightly in
outlet and that
outlet is working.
Check the
connection
Replace the
accessorial power
board.
The display
board
is
damaged.
Wait for the temperature of
ceramic plate return to normal.
Touch “ON/OFF” button to
restart unit.
Replace the
display board.
V.2
Accessorial power
board and display
board connection
failure
The accessorial
power board is
damaged.
24
V.2