TE Serious Moderate DIY

LG Microwave TE — Thermistor (temperature sensor) error

LG Microwave · Error code TE

What TE Means

Generic temperature-sensor fault — the thermistor reading is out of valid range (open, shorted, or wildly drifting). Sensor cooking is disabled.

Symptoms

  • TE on display
  • Auto Cook / Sensor Cook fails
  • Sometimes appears only on hot restarts

Common Causes

1
Failed thermistor

Most common cause.

2
Connector issues

Plug loose or corroded.

3
Harness damage

Wire chafed against cavity wall.

4
Main board sensor input failed

PCB-level fault.

How to Fix It

  1. Unplug 60 seconds, retest.
  2. Let the microwave cool fully before retesting.
  3. Measure thermistor resistance at room temperature; should be roughly 10K ohms.
  4. Inspect and reseat the connector.
  5. Replace thermistor if out of spec; if good, replace main PCB.

Parts You May Need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

Common replacement LG microwave thermistor View on Amazon→ Common replacement LG microwave main PCB View on Amazon→

More LG Microwave Codes

CH CH / Child Lock — Control locked DOOR DOOR / Door Error — Door switch / interlock fault EE EE — EEPROM / control memory error F-1 F-1 — Oven sensor open / thermistor fault F-2 F-2 — Keypad / touch panel shorted F-3 F-3 — Key short / specific button stuck

All LG codes → All microwave codes →

Verified against manufacturer documentation: lg.com

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.