Why does Kenmore Elite HE3 washer blinks 'H' and F' during the rinse cycle?

If there is no water in the unit:
1. Make sure that both valves at the water source(s) are turned on all the way.
2. Check for plugged or kinked inlet hoses or plugged screens in the inlet valves
3. Verify inlet valve operation
If there is water in the unit:
1. Verify Drain pump operation
2. Pressure Switch Hose is in good condition and properly connected to Tub and Pressure switch
Verify there is not a siphon problem
Verify wire harness connections to:Inlet Valves, Pressure Switch, Drain Pump, Flow Meter, and Central Control Unit (CCU)
Check all hoses for possible leaks
Verify pressure switch operation

Verify flow meter operation
Verify CCU operati

Kevin
April 2006