Kenmore Dryer H1 Error Code: Causes and Fixes

Editorially reviewedUpdated 2026-02-20

Quick answer: Overheat protection event

What you’ll notice

Dryer shuts off; overheat protection has activated.

Kenmore Dryer Code H1 low severity
Kenmore models: Same platform identification as washers: 110.xxx = Whirlpool; 796.xxx = LG. Lint filter in the door opening on all models. Access the rear panel for the thermal fuse.

Common causes

  • Restricted exhaust airflow causing heat buildup
  • Cycling thermostat failed in the closed position
  • High-limit thermostat holding open

Step-by-step fix

  1. Clear the vent duct completely (see D80 steps).
  2. Test the cycling thermostat — it should open and close as temperature changes.
  3. If the dryer overheats even with a clear duct, the cycling thermostat has failed and needs replacement.

Tools you may need

MultimeterScrewdriver set

Prevention

  • Clean the vent duct annually.
  • Replace the cycling thermostat if the dryer regularly runs very hot.

When to stop DIY

If any component shows signs of heat damage or scorching, call a technician before running the dryer again.

FAQ

What does H1 mean on Kenmore dryer?

H1 usually indicates: Overheat protection event.

Can I keep using the appliance with H1?

Use caution. Severity is low. If any component shows signs of heat damage or scorching, call a technician before running the dryer again.

How long does this fix usually take?

Typical first-pass troubleshooting takes 30–60 minutes.