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Author Topic: LG DryerDLE3777W 3rd time high limit has trip no heat  (Read 400 times)

Offline mdniswan50

  • VIP Member
  • Member Since: Dec 2015
  • Posts: 288
LG DryerDLE3777W 3rd time high limit has trip no heat
« on: October 15, 2021, 12:26:04 PM »

This time I replace all 4 the Thermistor-high limit-thermostat-blower thermostat.The heater ohms 19.I was told should not be continuity between blue and yellow.This is a 3 wire heater.What would cause high limit to go out 3 times.

Offline 100 td

  • Technician
  • Member Since: Jul 2021
  • Posts: 126
Re: LG DryerDLE3777W 3rd time high limit has trip no heat
« Reply #1 on: October 18, 2021, 07:16:40 PM »
Cleaned the filter and no obstruction in the duct work yeah?
Service manual for diagnostics
https://data2.manualslib.com/pdf2/43/4205/420477-lg/dle3777w.pdf?f0e3f8cf295be4932b246c57dc66a8cd

Offline mdniswan50

  • VIP Member
  • Member Since: Dec 2015
  • Posts: 288
Re: LG DryerDLE3777W 3rd time high limit has trip no heat
« Reply #2 on: October 23, 2021, 11:57:43 AM »
It was the control board relay stuck.