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KitchenAid Dryer Error Code F70

Reviewed by the ApplianceErrors Editorial Team · Verified against manufacturer service documentation · Last verified: June 11, 2026
⚠ Medium Severity 🔧🔧🔧 Advanced DIY

Communication failure between main control and user interface

The most common cause of the F70 error on a KitchenAid dryer is loose harness between console and main board (~40% of cases); start with: power cycle.

💰 DIY cost: $0–$230 👨‍🔧 Pro cost: $180–$380 Save $180+ by doing it yourself
KitchenAid Dryer error code F70 on the display panel
How the F70 code appears on a KitchenAid dryer display

What Does Error Code F70 Mean on a KitchenAid Dryer?

Communication failure between main control and user interface.

F70 fires when the main control board and the console user interface stop exchanging data over their communication harness. The main board expects periodic handshake signals from the UI; when those messages fail to arrive or arrive corrupted, it flags the link as lost. This is why the console can go dark or unresponsive while the machine still has power. It differs from a pure UI fault (F01) because the break is specifically in the two-way communication path, not the interface board alone.

Models affected: KitchenAid electronic-control dryers with a separate console UI board and main control board, roughly mid-2000s onward
What owners report: Owners commonly report the code after a power surge or after a repair where the console was opened and a connector was left partly seated. A five-minute unplug or reseating the harness at both ends often clears it; when it returns immediately, the issue usually points to a failing board rather than a loose plug.

What Causes Error Code F70?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

  1. 1
    Loose harness between console and main board 40% of cases
  2. 2
    Failed user interface board 25% of cases
  3. 3
    Failed main control board 25% of cases
  4. 4
    Damaged harness wiring 10% of cases

How to Fix KitchenAid Dryer Error Code F70

🔧🔧🔧 Advanced DIY Est. time: 1–3 hours
⚡ Safety first: Unplug the appliance before opening any panels or touching internal components.
  1. 1

    Power cycle

    Unplug for 5 minutes to force the boards to re-link.

  2. 2

    Reseat harness connectors

    Open the console and the rear panel; reseat the communication harness at both ends.

    ⚠️ Unplug the dryer before opening panels.
  3. 3

    Replace the failed board

    Tech-sheet diagnostics identify whether the UI or the main board dropped the link.

    🔩 KitchenAid dryer UI board ($80–$180) 🔩 Main control board ($110–$230)

How to Reset Error Code F70

Unplug for 5 minutes and check whether the console wakes.

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

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When to Call a Professional

If reseating connectors doesn't restore the console, board diagnosis is a job for a tech.

Average professional repair cost for this issue: $180–$380

Related Error Codes

F01
Main control board EEPROM error
⚠ Medium Severity

Same Code on Other Brands

Error code F70 appears on these other brands too. See every brand that shows F70 →

Whirlpool logo
Whirlpool Dryer F70
Communication error — no signal between control boards
Miele logo
Miele Dishwasher F70
Flow meter fault — water quantity sensor failure
Kenmore logo
Kenmore Dryer F70
Communication failure between control boards

Find Replacement Parts

Use these links to find the exact replacement parts for your KitchenAid Dryer:

🔩
Search PartSelect
KitchenAid Dryer repair parts
🔧
Search RepairClinic
Step-by-step video guides

External links — ApplianceErrors.com is not affiliated with these retailers.

Frequently Asked Questions

Can I keep using my KitchenAid Dryer when error F70 appears? +
You often can for a cycle or two, but the control issue behind F70 will keep interrupting normal operation until it is fixed. Plan the repair rather than ignoring the code.
What most commonly causes F70 on a KitchenAid Dryer? +
Across reported KitchenAid dryer repairs, the most frequent is loose harness between console and main board (40% of cases), failed user interface board (25%), then failed main control board (25%). Check them in that order before replacing any parts.
F70 keeps coming back after a reset — what should I check next? +
A reset only clears the stored F70 fault; if it returns, the control problem is still present. Move on to the physical checks — power cycle, then reseat harness connectors — since the code will reappear until the root cause is resolved. This is an advanced repair involving deeper disassembly or electrical testing.
How much does it cost to fix KitchenAid Dryer error F70? +
A DIY repair typically runs $0–$230 in parts, versus $180–$380 for a professional service call, so handling it yourself saves around $180. Expect the work to take 1–3 hours.
Which KitchenAid Dryer models show error F70? +
F70 is documented on KitchenAid electronic-control dryers with a separate console UI board and main control board, roughly mid-2000s onward. Other units sharing the same control platform can display it too, so the fixes here generally transfer across the series.

Sources & References

Content verified against manufacturer service documentation. Last verified: June 11, 2026.

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