Customer Questions and Answers for Electronic Control Board by Whirlpool

Hello Bob. Here is what the manufacture recommends for the F20 code. Hope this helps. Possible Causes/Procedure ¦ If there is no water in the unit: – Make sure that both valves at the water source(s) are turned on all the way. – Check for plugged or kinked inlet hoses or plugged screens in the inlet valves. – Verify inlet valve operation. ¦ If there is water in the unit: – Verify that the pressure switch hose is in good condition and properly connected to tub and pressure switch. 1. Unplug washer or disconnect power. 2. Verify there is not a siphon problem. 3. Verify wire harness connections to inlet valves WP8182862, pressure switch WPW10514214, flow meter WPW10110225, and Central Control Unit (CCU) WP8183258. 4. Check all hoses for possible leaks. 5. Plug in washer or reconnect power. 6. Verify pressure switch operation. 7. Verify flow meter operation by blowing air through the part and measuring the resistance. 8. Verify CCU operation by running a Diagnostic test or any cycle.