25
Is the water coming in
drawer
continuously
?
Replace the
Main PCB
.
After power off for 10 sec. and power on.
Does the water level over reference line
and
Is
not
the water level frequency 26.2Khz ?
Or does
not
the water level over reference line
and
is the water level frequency 26.2Khz ?
* Water level frequency
- Press and Hold
'Intensive'
&
'Option(Left)'
simultaneously.
Replace the
Inlet Valve
assembly
.
YES
If FE is displayed again,
then replace the
Pressure Switch
.
If FE is displayed again,
then replace the
Main PCB
.
Check the
Air Chamber
and the
Tube
(clogged).
NO
NO
YES
Over Flow Error (FE)
The digits means water level frequency. (10
-1
kHz)
ex) 241 : Water level frequency = 241 x 10
-1
kHz
24.1 kHz
Summary of Contents for WD-20900
Page 2: ...51 P No MFL30574758 ...
Page 15: ...14 6 WIRING DIAGRAM PCB LAYOUT PROGRAM CHART ...
Page 18: ...17 Program Chart ...