Last Activity:10-10-2012 6:40 AM
Posted in thread: Trane XE90 pressure switch problem on 10-05-2012 at 06:46 PM
Get the specs for the switch and simulate the setpoint pressure by using a column of water.
You'll need some tubing from the hardware store, and a meter.If it's like 0.05" WC [about
3/64"] you may wan...
Posted in thread: Trane XE90 pressure switch problem on 10-05-2012 at 06:44 PM
clean the openings on the inducer motor where the tubes connect & check the exhaust pipe for
wasps/bees nest looking for any blockage that may prevent the pressure switch from "making".My
Posted in thread: Trane XE90 pressure switch problem on 10-03-2012 at 10:50 PM
Got 3-flash code for pressure switch problem on my trane xe90 system (~15 year old).The inducer
fan runs with normal sound. Can see the turning of fan.Opened the front tube to pressure switch
and saw ...
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