©2015GoodmanManufacturingCompany,L.P.
Troubleshooting
LCD&LED’sdonotfunction,andHVACsystemdoesn’trespond.
Solutions
CheckHVAC&UT‐3000systemtransformersupplyvoltage.
CheckHVAC&UT‐3000system24vactransformervoltage,fuse,and
breakers.
Testallwiresforcontinuity/shorts.(shortstocommonorshortstoearth
ground)
Checkdampermoto rwiringforproperconnections.
CheckHVAC&UT‐3000systemwiringforshortsandimpr
operwiring.
Symptom4