Filter
Top Products
Symptom Possible Cause Corrective Action
No Cool 1. Blown fuse or tripped circuit breaker. Replace fuse or reset breaker.
2. Furnace power switch to OFF. Turn switch to ON.
3. Furnace blower compartment door or Replace door panel in proper position to engage
panel loose or not properly installed. safety interlock or door switch.
4. Loose connection to thermostat or system. Verify thermostat and system wires are securely
attached.
5. Thermostat or cooling system requires Your cooling system manufacturer or service
replacement or service. person can describe how to test the cooling
system to verify it is operating correctly. If the
cooling system is capable of operation and the no
cooling condition persists, replace the thermostat.
Cool Runs Constantly 1. Possible short in wiring. Check each wire connection to the thermostat to
2. Possible short in thermostat. verify it is neatly looped under the terminals. No
extra wire should stick out from under the
terminals.
Cooling Cycles Too Fast or Too Slow 1. Poor thermostat location for sensing room The cycle rate for cooling can not be adjusted.
(narrow or wide temperature swing) temperature. The location of the thermostat, size of the Cool
2. Cooling system over or undersized. system and current draw can influence the cycle
3. Excessive Current draw influencing thermostat. rate. Contact a local service person for suggestions.
Thermostat Setting and Thermostat 1. Thermostat thermometer setting requires The thermometer can be adjusted by using a
Thermometer Disagree adjustment. standard slotted screwdriver. Turn the thermom-
2. Thermostat setting lever requires calibration. eter pointer screw located inside the front cover
to change the setting. For calibrating the setting
lever contact a local heating and cooling service
person.
Adjusting Thermometer 1. Thermostat thermometer disagrees with The thermometer on the thermostat is accurately
other room thermometers. calibrated at our factory but you can adjusted it
by using a standard slotted screwdriver. Turn the
thermometer pointer screw located inside the
front cover to change the setting.
TROUBLESHOOTING
www.white-rodgers.com
7