WhisperKool Extreme 3500tiR Owner's Manual page 30

Units equipped with the 24V Thermostat Conversion Kit:
Unit does not power up/run
Possible cause
Batteries on thermostat have lost their charge
Thermostat wired incorrectly
24V transformer has failed
Evaporator fan runs continuously
Possible cause
Fan switch on thermostat set to "on"
Page 28 | 1-800-343-9463
Solution
Change batteries
Check wiring on 24V thermostat and correct
Call Customer Service at 1-800-343-9463
Solution
Set fan switch to the "auto" position
EXti 010818