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kbowman
Jan 3, 2008, 08:20 AM
Indicator Light blinking twice shows presure switch is open will not allow blower or heat to work.
therinnaiguy
Jan 3, 2008, 08:52 AM
Test the pressure switch with a Ohm meter to see if it is making contact. Make sure any condensate hoses are free of moisture and/or debris. Check for a blockage in your venting system.
hvac1000
Jan 3, 2008, 08:52 AM
Turn off power. Pull vinyl hose off pressure switch and make sure it is clear of debris/water. Turn on power. Try again.