IGBT
temperature
sensor
Open
Error
(FA/FD)
Is
the
sensor
connected?
Is
the
sensor’s
real
resistance
is
opened
circuit?
Push
“ON/OFF”
button
to
restart
unit,
does
the
symptom
continue?
:
check
if
the
sensor
wire
is
damaged.
Connect
the
sensor.
Replace
the
Power
board.
The
sensor
has
defected.
Replace
the
Power
board.
Replace
the
display
board.
No
Yes
No
No
Perform
the
operation
again
and
check
if
it
is
working
properly.
Yes
Yes
- 19 -
)DLOXUH&RGHV
