Daewoo DWF-270G, Service Manual

Page: 13 / 32

12
6
.
TROUBLE SHOOTING GUIDE
CONCERNING NO ACTION (THE INDICATOR IS OFF)
Exist
Measure the resistance between
the light blue wire terminal in the white plug at
upper part of the the wire unit and the light blue
terminal at the lower part of the the
wire unit.
Confirm that there's no power failure, and the power plug is inserted reliably.
The power switch is at "On" mode.
Measure the voltage of the two ends of
the power input of the sequencer.
Replace the sequencer.
Pull off the power plug. Not exist
Measure the resistance between
the light blue wire terminal in the white plug at
upper part of the wire unit and the N pin of
the power plug
Infinite
Measure the resistance between
the brown wire terminal in the white plug
at upper part of the wire unit and the brown wire
terminal at the upper part of
the fuse unit.
The resistance is 0.
The resistance is 0.
The resistance is 0.
No
No
Yes
Yes
Infinite
Replace the wire unit.
Check the fuse is burnt?
Replace the fuse.
Replace the computer sequencer
Replace the power cord.
At the same time please check if the other electric
components are normal.
Connect the fuse with the
conductor wires of the two ends
Check if the connection between the fuse and
the conductor wires of the two ends is well.
TEST PROGRAM (TEST WITHOUT WATER)
Push and hold the "program" and "cold/warm/hot water" buttons, then push down the "power" button to enter test
program. Push the "process", The program will switch as follow:
Test A Test B Test C
Test name
Test A
Test B
Test C
Test content
The numeral tube shows
“
C1
”
,all of the indicators are on.After 3 seconds the the numeral tube shows
“
88
”
and the indicators flash 3 times as 1Hz. At the same time t he buzzer rings 3 times (once per
second ). The power is switched off automatically after finishing.
(during running, you can change the current selection)
The numeral tube shows
“
C2
”
, the indicators of the water level “5",”wash" and “normal”are
on. After 3 seconds the numeral tube shows
“
20
”
,and the indicator “wash" flashes. The washer
perform the corresponding current for 20 minutes
.
The power is switched off automatically after
finishing.
The numeral tube shows
“
C3
”
, the indicators of ”spin"and “normal”are on. After 3 seconds the
numeral tube shows
“
5
”
,and the indicator “spin" flashes. The washer spins 5 minutes
.
Then the
power is switched off automatically after finishing.
TROUBLE SHOOTING