Pepco Web-Programmable Thermostat - Troubleshooting; Common Problems: No Heat, No Cool, No Fan; Heat, Cool, or Fan Runs Constantly; Thermostat Setting and Thermometer Disagree

Pepco Web-Programmable Thermostat Homeowner’s Manual 19
PERS1123B—Pepco-Generic IT900 Thermostat Manual
(Version 2 Thermostat with New Screen Shots)
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PERS1123B
Pepco-Generic IT900 Thermostat Manual (Version 2 Thermostat with New Screen Shots)
Job Opened: November 20, 2012
Requested In-Home Date: December 10, 2012
Latest Revision: November 20, 2013
Approved: __________________
Troubleshooting
No Heat or No Cool
Possible Cause Corrective Action
Thermostat may be in an Energy Wise Rewards
conservation period. “Event in Progress” will be
displayed on top line of home screen.
Wait for the Energy Wise Rewards conservation period
to end.
System switch is set to OFF. Press the thermostat’s SYSTEM button one or more
times to select HEAT or COOL (as appropriate).
Heat, Cool, or Fan Runs Constantly
Possible Cause Corrective Action
Fan set to ON. Change Fan to AUTO.
Common Problems: No Heat, No Cool, or No Fan
Possible Cause Corrective Action
Blown fuse or tripped circuit breaker. Replace fuse or reset breaker.
Furnace power switch set to OFF. Turn switch to ON.
Furnace blower compartment door or panel is loose or
not properly installed.
Replace door panel in proper position to engage safety
interlock or door switch.
Thermostat Setting and Thermometer Disagree
Possible Cause Corrective Action
Thermostat thermometer setting requires adjustment. The thermometer can be adjusted
+
/
–
5 degrees.
See Adjust Temperature Display on page 9.
13_PERS1123B_IT900_v2_TSTAT_MANUAL.indd 19 11/20/13 3:34 PM