Kenmore Dryer F70 error code

The main machine control and the console electronics (the user interface) have lost communication. The dryer will not start while they cannot talk to each other.

Also shown as: F70, F 70, F-70

Last updated: October 6, 2026

Quick answer: Kenmore dryer error code F70: control panels can't communicate. The most common cause is loose wire harness between the machine control and the console electronics. Try this first — power-reset the dryer. If that does not clear it, check the harness connections.

What causes the F70 error?

  • Loose wire harness between the machine control and the console electronics
  • Corroded or damaged harness connectors
  • Power surge damaging one of the boards
  • Failed machine control board or console electronics

How to fix Kenmore F70 — step by step

Work through these in order, from simplest and safest first. Stop as soon as the code clears.

  1. Power-reset the dryer
    Unplug the dryer and leave it unplugged for a while, at least 10 minutes. Plug it back in and try to start a cycle. This often clears the code after a power surge or storm.
  2. Check the harness connections
    Unplug the dryer and remove the top panel. The machine control board sits below it on the left side. Push the harness connectors firmly on at both the machine control and the console electronics. Reassemble and test.
    Safety warning: Unplug the dryer before removing the top panel or touching any board.
  3. Look for surge damage
    If F70 appeared right after a thunderstorm or power outage, a surge may have damaged a board. If the connections are solid and the code stays, a board will need replacement.

When to call a technician

Stop and call a qualified technician if any of these apply:
  • F70 returns after reseating the harness
  • Connectors are corroded or wires are damaged
  • A surge clearly damaged a board
  • The machine control board or console electronics needs replacement

Frequently asked questions

What does F70 mean on a Kenmore dryer?

It means the main control board and the console electronics lost communication with each other. Check the wiring harness between them first.

Why did F70 appear after a storm?

Lightning and power surges can scramble or damage the boards and break their communication. A long power reset sometimes recovers them.

Which board do I replace for F70?

Start with the harness connections. If those are fine, the machine control board is the usual suspect, but a technician should confirm before you buy parts.

Sources

Every meaning and fix above was checked against official manufacturer documentation:

FixCode provides general troubleshooting information only — not professional repair advice. If you are unsure about any step, stop and call a qualified technician. Repairs done incorrectly can be dangerous and may void your warranty.

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