EWC Controls ULTRA-ZONE ULTRA-TALK UT-3000 - Page 50

©2015GoodmanManufacturingCompany,L.P.
Troubleshooting
 Adjustthermostatinthe
zonewithdampersnot
functioning ,tocallfor
coolorheat.
 Setmetertoacvoltage,
andtestpowerat
damperswhilezoneis
calling.
 24VACshouldbepresent
atCandPOwhenthe
dampersareopening.
Step1:CheckDamperMotorVoltages