![background image](http://html1.mh-extra.com/html/mars/70803/70803_installation-and-operating-instructions-manual_1730625009.webp)
9
(Troubleshooting cont.)
SYMPTOM
CORRECTIVE ACTION
System fan runs continuously
Set fan switch to
AUTO
.
Check thermostat wiring & connections.
HI is displayed
Reduce room temperature or allow a newly installed thermostat to
acclimate.
HI indicates a room temperature reading greater than 90 F (32 C).
LO is displayed
Increase room temperature or allow a newly installed thermostat to
acclimate.
LO indicates a room temperature reading less than 45 F (7 C).
70803-IM 12/18/06 2:10 PM Page 9