Whirlpool F18 Error Code — What It Means & How To Fix It

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For information purposes only. Always consult a qualified engineer before attempting repairs. 🔌 Unplug your appliance before any inspection or repair.

How serious is the Whirlpool F18 error?

⚡ MEDIUM — Stop using until fixed.

What does the Whirlpool F18 error code mean?

The machine is draining too slowly. This is usually due to a partial blockage in the filter, hose, or plumbing system.

How to fix the Whirlpool F18 error code

Run a drain cycle
Open filter panel and clean thoroughly
Check pump impeller
Inspect drain hose for restrictions
Check sink waste for blockages

Frequently Asked Questions

What causes slow draining?
Partial blockages or buildup in hoses.

Is this easy to fix?
Yes — usually cleaning resolves it.

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🎯 What is likely causing this fault?

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Drain pump blocked (coins, lint, hair, debris) 60%

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Pump restriction / impeller jammed 20%

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Drain hose or filter blockage 10%

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Pump failure (noisy or seized) 5%

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Wiring or control issue (rare)Reality: 5%

⚠️ Estimates based on common faults — not a guaranteed diagnosis. Always verify before ordering parts.

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Parts you may need

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Your model number

Usually found on a label inside the door frame or on the back panel of the machine.

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Part	Approx. UK Cost	Find it
Drain Pump model filtered	£20 - £30	🛒 Amazon UK →
Drain Pump model filtered	£20 - £30	🏷️ eBay UK →

ℹ️ Prices are approximate. Always check the part number matches your model before ordering. Not sure of your model number? Find out how to locate it here.

🇬🇧 UK — Parts & Replacements