F-21=LONG DRAIN If the drain time exceeds 8 minutes the water valves shut down. After 4 mins the Sd(slow drain) error will be displayed, 4 mins later the F/21 error code will be displayed.
Press PAUSE/CANCEL 2 times to clear display
Probable cause/Proceedure
Drain hose plugged/kinked
unplug washer/disconnect power
check electrical connections to pump
and make sure pump runs
check drain pump filter for strings,sand etc
plug in washer If this dont work
replace pump.
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