!
error Whirlpool
Error Code F21
Drain error — drain times are longer than expected, indicating a drainage problem with the washer.
? What Causes This
Drain hose kinked, drain hose clogged, or using non-HE detergent causing excessive suds.
✓ How to Fix It
- Press Pause/Cancel button.
- If error persists, unplug the washer for 5 minutes and plug back in.
- Check drain hose for kinks and straighten if needed.
- Remove any blockage from drain hose, drainpipe, or utility sink.
- Ensure you are using HE High-Efficiency detergent only.
- If error remains after these steps, call for service.
Source: page 1 of the official manual
From the manual
Affected Whirlpool Products
Whirlpool Washer F21
Washing Machines
Whirlpool Top Load Washer
Washing Machines
Whirlpool Duet Washer
Washing Machines
Whirlpool WFW9400SW00 Washing Machine
Washing Machines
Whirlpool WFW9200SQ Front Load Washer
Washing Machines
Whirlpool WFW9300VU Front-Load Washer
Washing Machines
Whirlpool Duet Front Load Washer
Washing Machines