F2 / F3 Error on Front-Loading Washing Machine – What Causes It and How to Fix It
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Understanding the Problem
Brief explanation: Front-load washers that report F2 and/or F3 codes are telling you the machine has detected a fault it can’t clear automatically. Exact meanings vary by brand and model (check your model number and manual first), but in most front-loaders F2 relates to drainage problems (pump, filter, blocked hose) and F3 relates to water fill/level problems (inlet valve, pressure switch or air tube, water supply). Follow the numbered diagnostic and repair steps below. The steps include what to check first, how to test components, and practical repair actions. 1) Identify the exact code meaning for your model - Locate the washer’s model number (on the door rim, behind the door, or on the rear panel). Look up the service manual or error-code list for that exact model online. Some brands use F2 for drain faults and F3 for fill/pressure faults; others may vary. Knowing the model-specific meaning will focus your work. 2) Basic quick checks (5–10 minutes) - Restart/reset: unplug the washer or flip the breaker for 60 seconds, reconnect and see if the code returns. If it’s intermittent, this can clear a false code. - Check water and drain supply: Ensure water faucets are fully open and the drain hose isn’t kinked or higher/lower than recommended. 3) If F2 (drain/empty fault) suspected — check these items in order a) Clean the pump/filter: Many front loaders have an access panel and a removable drain filter. Place towels and a shallow pan, open slowly, drain residual water, remove debris. Clean trap and impeller area. b) Inspect drain hose and standpipe: Remove the hose and blow through it. Remove clogs, check for kinks, and ensure the hose is installed at the correct height (usually 24"–40" / 60–100 cm). c) Test the drain pump: Run a drain or spin cycle and listen—does the pump hum/click or run? If silent and no draining, the pump may be dead or not powered. Access the pump, spin impeller by hand (no debris) and check for obstructions. d) Check wiring and connections: Inspect the connector to the pump for burned pins, corrosion or loose wires. Wiggle connections while running a drain cycle to see if intermittent connection causes the code. e) Electrical test: With the washer powered but the pump connected, check for voltage at the pump during a drain command (use a multimeter – usually mains voltage). If there’s voltage but the pump doesn’t run, replace the pump. If there’s no voltage, the control board or wiring is suspect. 4) If F3 (fill/level/overflow fault) suspected — check these items in order a) Confirm water supply: Ensure both hot and cold faucets are on and inlet hoses are not kinked. Remove inlet hoses and check screens on the valves for debris. b) Test inlet valve: Run a fill cycle. Do you hear the inlet valve open? If there’s no water or slow fill despite good house pressure, the inlet valve may be clogged or failed. c) Inspect pressure switch/pressure sensor and air tube: The washer uses a small air tube from the tub to a pressure switch to detect water level. Remove and inspect the tube for blockages, cracks, or water in the tube. Replace the tube if softened or kinked. Test continuity of the pressure switch if you can access it. d) Look for leaks/overflow: F3 can mean the machine thinks it’s overfilling (pressure switch stuck closed). Inspect for water under the machine and check drain-to-water-surge issues. e) Check door lock and door seal: Some models throw fill/level faults if the door/latch isn’t secure. Ensure the door latches fully and the lock assembly is working. 5) How to replace common parts (high-level steps) - Drain pump replacement (typical): Unplug washer; turn off water; tilt machine back (use caution) or remove access panel; disconnect wiring and hoses from pump; remove mounting screws/clips; install new pump; reconnect hoses and wiring; test on drain cycle. - Inlet valve replacement: Unplug washer; turn off water; remove top or rear panel to access valve; disconnect wiring harness and supply hoses; remove valve mounting screws and replace; reassemble and test fill cycle. - Pressure switch/air tube: Unplug unit; access control area (back or top); remove small air tube from switch and from the tub collar; replace the tube if cracked or replace the pressure switch assembly; reattach and test. 6) Run diagnostic/service mode if available - Many washers have a service mode to manually run pumps and valves. Use this to confirm whether the pump runs and whether valves open. Consult model-specific service manual for the exact button sequence. 7) Final steps and verification - After repair, run a full wash cycle (no clothes) to verify proper fill, wash, and drain without codes. Check for leaks. Safety note: Always unplug the washer and turn off water supply before accessing internal components. If you are not comfortable working with electrical testing or lifting the appliance, hire a qualified technician.
Common Symptoms
Washer fails to fill or drain, displays F2 and/or F3 codes, water remains in drum, slow/nofill, audible humming or silence from pump, occasional overflowing or machine stops mid-cycle.
Common Causes
- Clogged pump filter, blocked drain hose, or failed drain pump (common for F2)
- Faulty water inlet valve, low house water pressure, or clogged inlet screens (common for F3)
- Faulty pressure switch or blocked/ruptured air tube causing incorrect water-level sensing
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Helpful Repair Tip
Run the washer’s diagnostic/service mode: command the drain pump and inlet valve independently. If the pump doesn’t run on command while you hear the control asking for it (or you measure voltage at the pump), replace the pump; if valve doesn’t open but has voltage, replace the inlet valve.
Frequently Asked Questions
Can I clear F2 or F3 myself, and how much will the parts cost?
Yes — many F2/F3 faults are user-serviceable: cleaning the pump filter, clearing a blocked hose, or replacing a cheap part like the inlet valve or air tube. Parts typically range from $15–$120 depending on part and brand (drain pump $30–$120, inlet valve $35–$120, pressure switch $20–$80). Labor varies if you hire a tech. Always verify part numbers for your exact model before purchasing.
The washer displays the code after a short time, then goes away after a reset — do I need to replace anything?
Intermittent codes can be caused by temporary blockages, poor mains voltage, or intermittent wiring/connectors. First: clean the pump filter, check hoses, and secure electrical connectors. If the code returns consistently, run service diagnostics to isolate the failing component. Replace only the part that consistently fails the test (pump, valve, or pressure switch).
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