LG WD1316AD7 Service Manual ▷ View online
29
8-5. TROUBLESHOOTING ELSE
NO POWER
1. Be careful of electric shock if disconnecting parts while troubleshooting.
2. First of all, check the connection of each electrical terminal with the wiring diagram.
3. If you replace the MAIN PWB ASSEMBLY, reinsert the connectors correctly.
CAUTION
Check the
fuse or reset
the circuit
breaker.
Yes
No
Is the current rating of
multi-outlet power strip
enough?
(Avoid connecting several
electric devices.)
Is the supplied voltage
120V AC?(+10%, -15%)
Alternate with
explanation.
Yes
Yes
No
Is the connector connected
to PCB/Noise filter
disconnected or
disassembled?
Reconnect
or repair
the connector.
No
Replace the
MAIN PWB
ASSEMBLY.
Yes
No
Is LED on while the power
is on?
Replace the
DISPLAY
PWB
ASSEMBLY.
Display PWB
Connecting connector
MAIN PWB~ Display PWB
No
Is five pin wire of
display PWB broken?
30
BUTTON DOESNʼT WORK
31
32
Is water supply shut-off?
Is the tap opened?
When you press both SPIN button and RINSE
button simultaneously, is the water level frequency
below 246?
Is the inlet valve filter clogged?
Is resistance between each terminal of INLET
VALVE ASSEMBLY 0.8-1.2
kΩ
?
Verify the voltage of the inlet valve connector is
120-1 27V AC.
(Refer to 7-2 QC TEST MODE)
120-1 27V AC.
(Refer to 7-2 QC TEST MODE)
Is water supplied?
Are receptacles correctly connected to the
terminals of the INLET VALVE ASSEMBLY?
Has detergent been put in the correct compartment
of the dispenser?
Is the detergent caked or hardened?
Open the tap.
Check the AIR CHAMBER
and the tube (clogged).
Clean the filter.
Replace the INLET VALVE
ASSEMBLY.
Check electrical connection.
Replace the MAIN PWB
ASSEMBLY.
Refer to
NO WATER SUPPLY
Check the wiring.
Put the detergent in the
correct place.
Clean the dispenser.
NO WATER SUPPLY
DETERGENT DOES NOT FLOW IN
5
4
Bleach
5
4
Dry
Bleach
Dry
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