LG DLEC733W Training Manual page 20

TROUBLESHOOTING
PUMP
Trouble Symptom : Check if pump is out of order. "Empty Water" Error signals.
Measurement condition : Power cord is unplugged.
Series 33 Dryer Training
(Measure with power on)
On QC test mode, when Pump
is on,
Electric noise doesn't occur
Electric noise doesn't occur
while pumping?
NO
(Measure after power is off.)
With YL2 disconnected from
Controller,
YL 2 - YL 2 resistance
ranges 205 10Ω ?
YES
• Check Pump sensor
• Check and replace Controller
- TR3
20
• Disassemble Pump
- Check foreign objects
YES
- Check impeller
restriction
- Check connection hose
clogged
• Check or replace pump
• Check Harness
connection
NO
Troubleshooting