Trouble Shooting Guide; Test Program (Test Without Water); Concerning No Action (The Indicator Is Off) - Daewoo DWF-270G Service Manual

6. TROUBLE SHOOTING GUIDE

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 name
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
Test A
second ). The power is switched off automatically after finishing.
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
Test B
perform the corresponding current for 20 minutes.
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.
Test C
power is switched off automatically after finishing.

CONCERNING NO ACTION (THE INDICATOR IS OFF)

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.
Pull off the power plug.
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
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.
Check the fuse is burnt?
Check if the connection between the fuse and
the conductor wires of the two ends is well.
Connect the fuse with the
conductor wires of the two ends
12
TROUBLE SHOOTING
Test A
(during running, you can change the current selection)
Not exist
The resistance is 0.
Yes
Replace the fuse.
No
Yes
No
Test B
Test content
the buzzer rings 3 times (once per
The power is switched off automatically after
Exist
Replace the sequencer.
Infinite
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.
The resistance is 0.
Replace the power cord.
At the same time please check if the other electric
components are normal.
Replace the computer sequencer
Test C
Then the
Infinite
Replace the wire unit.