F-20 Error - NO WATER DETECTED ENTERING MACHINE OR PRESSURE SWITCH TRIP NOT DETECTED.
The pressure switch is not tripped after 6 minutes.
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 drain pump operation.
– Verify that the pressure switch hose is in good condition and properly connected to tub and pressure switch.
1. Verify there is not a siphon problem.
2. Press PAUSE/CANCEL twice to clear the display. The machine will drain for 3 minutes before unlocking the door.
3. Unplug washer or disconnect power.
4. Verify wire harness connections to inlet valves, pressure switch, drain pump and Central Control Unit (CCU).
5. Check all hoses for possible leaks.
6. Plug in washer or reconnect power
7. Verify pressure switch operation.
8. Verify CCU operation by running a Diagnostic Test or any cycle.