EWC Controls ULTRA-ZONE ULTRA-TALK UT-3000 - Page 47

©2015GoodmanManufacturingCompany,L.P.
Troubleshooting
 LCD&LED’sarerespondingproperly,butHVACsystemismalfunctioning.
 BiasDCvoltagesareincorrect.
Solutions
 Checkzonesystemwiringforshorts/improperwiring.
 Testwiresforcontinuity/shorts.
 CheckBIASDCvoltages.
 EnsurethatBIAS/terminalswitchesontheUT‐3000panelandoutdoor
unitsshouldbesettotheoffposition.
 CheckHVACequipmentforfaultsviaacommunicatingthermostatand
clearallfa
ults.
Symptom2