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F21 = Long Drain
If the drain time exceeds 8 minutes the water valves turn off.
? After 4 minutes the "Sd" error will be displayed, then
4 minutes later the "F/21" error code will be displayed.
? Press STOP two times to clear the display.
1. Check the drain hose and make sure it is not plugged or
2. Unplug washer or disconnect power.
3. Check the electrical connections at the pump and make sure
the pump is running.
4. Check the drain pump filter for foreign objects.
5. Plug in washer or reconnect power.
6. If the above does not correct the problem, go to step 7.
7. Unplug washer or disconnect power.
8. Replace the pump.