Heating or temperature fault error codes

The control is seeing a heating, thermistor, or temperature reading outside the expected range.

18Code pages
6Brands
3Appliances
Problem hubGuide type

Quick answer

Heating or temperature fault codes usually point to a shared symptom category, not one guaranteed failed part. Start with visible conditions, then use the matching brand code page below.

What this problem type covers

This hub groups matching appliance code pages for Dishwasher, Dryer, Washer. Covered brands include GE Appliances, LG, Samsung, Frigidaire, Bosch, Electrolux. It is useful when searches mention a symptom, such as drain code, fill error, leak warning, or airflow restriction.

Exact steps still depend on brand and model number. Use the code page for the display text on your appliance before opening panels or ordering parts.

Common causes

  • Thermistor or temperature sensor fault
  • Heating element or heat pump problem
  • Airflow or water-flow restriction causing abnormal temperature
  • Control board fault

Safe first checks

  1. Disconnect power for 5 minutes, then retry one short cycle.
  2. For dryers, verify the vent path is clear before repeating a heated cycle.
  3. For dishwashers, confirm water can enter and drain normally.
  4. Stop using the appliance if there is a hot smell, smoke, or breaker trip.
  5. Move to the exact brand code page if the same warning returns.

Stop troubleshooting when

  • The code returns on a short test cycle.
  • The appliance overheats, underheats, or trips electrical protection.
  • The repair would require opening a sealed heater or control area.

Related troubleshooting guides

Matching code guides

18 pages match this problem type.

All problem types

GE Appliances Dishwasher

C6

Check household hot water temperature and stop if heating issues repeat.

Heating or temperature fault

GE Appliances Dishwasher

C7

Power reset once and request service if C7 returns on a normal cycle.

Heating or temperature fault

LG Dishwasher

F35

Avoid repeated heated drying attempts and arrange service if F35 returns.

Heating or temperature fault

LG Dishwasher

HE

Run one reset and short test only if water fills and drains normally.

Heating or temperature fault

LG Dryer

tE1

Power reset once; if it returns, the temperature sensing circuit likely needs service.

Heating or temperature fault

LG Washer

tE

Disconnect power and request service if the same tE code returns after one reset.

Heating or temperature fault

Samsung Dishwasher

3E

Verify the hot water supply is not set too high before running another test.

Heating or temperature fault

Samsung Dishwasher

HC

Switch power off briefly, run a controlled empty test, and stop if HC returns.

Heating or temperature fault

Samsung Dishwasher

HE

Do not repeat heated cycles if HE returns; use service for heater or sensor diagnosis.

Heating or temperature fault

Samsung Dryer

HE

Stop if there is a hot smell and verify airflow before another heated cycle.

Heating or temperature fault

Samsung Washer

HC

Stop if the washer overheats, smells hot, or trips protection; service is likely.

Heating or temperature fault

Frigidaire Dishwasher

HO

Confirm the hot water supply is normal; service is likely if heating never recovers.

Heating or temperature fault

Bosch Dishwasher

E01

Reset power at the breaker once; repeated E01 needs Bosch support or service.

Heating or temperature fault

Bosch Dishwasher

E04

Do not keep running heated cycles; contact support if E04 remains.

Heating or temperature fault

Bosch Dishwasher

E09

Reset once; if it returns, stop repeating heated cycles and arrange service.

Heating or temperature fault

Bosch Dishwasher

E10

Avoid repeated heat-dry tests and contact support if E10 returns.

Heating or temperature fault

Bosch Dishwasher

E12

Use the model-approved descaling path and check water-softener salt guidance if equipped.

Heating or temperature fault

Electrolux Dishwasher

HO

Confirm hot water supply and stop if the dishwasher never reaches wash temperature.

Heating or temperature fault