Whirlpool Washing Machine Error F18

⚡ Quick Answer: The Whirlpool Washing Machine error code F18 (or FOD) indicates a foam or suds issue detected during the wash or drain process. This error occurs when... ✅ DIY Fixable

What Does Error F18 Mean?

The Whirlpool Washing Machine error code F18 (or FOD) indicates a foam or suds issue detected during the wash or drain process. This error occurs when excessive suds interrupt normal operation, preventing the washer from draining or spinning effectively. Common symptoms include the display of the F18 code, a stalled cycle, and visible foam in the drum. The primary cause is typically the use of non-HE detergent or an excessive amount of detergent, leading to foam buildup.

Common Symptoms:

  • Washer displays F18 or FOD during or after wash cycle
  • Cycle stalls or repeatedly attempts to drain/continue
  • Excess foam visible in drum or during draining

Possible Causes

  • Excessive suds/foam due to non‑HE detergent or too much detergent (high)
  • Restricted draining aggravating foam issue (kinked/clogged drain hose) (medium)

How to Fix Error F18

DIY Fix Reduce foam and restart cycle

  1. Pause the cycle and allow suds to dissipate
  2. Use only High Efficiency (HE) detergent and follow dosing recommendations
  3. Run a Rinse & Spin, possibly with an Intensive Rinse option, to clear excess suds
  4. Check that the drain hose is not kinked or visibly clogged

Technician Only Inspect drain system and perform deeper cleaning

  1. Disconnect power and examine the drain hose for internal blockages
  2. Inspect and clean the drain pump filter if accessible
  3. Confirm proper standpipe height and no siphoning issues

Parts needed: drain hose, drain pump filter

🛑 When to Call a Pro:
  • If F18 persists after correcting detergent use and confirming drain system is unobstructed.
  • If there are additional error codes or mechanical symptoms (no drainage, noise, motor issues).

Technical Specifications

wattage 40W
component Drain Pump
resistance 10-30 ohms
part_number W10872845
voltage_rating 120V AC

Common Questions

What does F18 error mean on Whirlpool Washing Machine?

The F18 error indicates a foam issue due to excessive suds affecting the wash and drain process.

Can I fix Whirlpool Washing Machine F18 error myself?

Yes, you can reduce foam by pausing the cycle, using HE detergent, and running a Rinse & Spin.

How much does it cost to fix F18 error?

Repair costs generally range from $0 to $100, primarily for labor or cleaning.

When should I call a technician for F18?

Contact a technician if the F18 error persists after correcting detergent use or if other mechanical issues arise.

Sources & References

Data last verified: 2026-01-10

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