White Rodgers 1F98EZ-1421 Emerson Blue Easy Install Universal 4-Wire Thermostat Solution Guida Utente

If your thermostat detects a problem 
with the system, the touchscreen 
thermostat Home Screen Display 
will indicate  “Call for Service”

and  CHECK CROSSOVER in the 
scrolling message area. When this 
is present contact your qualifi ed 
service technician.

The Fault message and the “Call 
for

clears itself when 

faults have been corrected.

If a voltage spike or a static discharge blanks out the display or causes erratic operation, 
you can reset the thermostat.

To reset the thermostat, touch  

 and 

 and the SYSTEM keys at the same time. The 

thermostat will go blank and then all segments will be displayed momentarily.

Note: When the thermostat is reset, the Thermostat Options Confi guration Menu 
settings, time and programming schedule will reset to the factory settings. Refer to the 
customized settings for your thermostat and system on the back cover of this book. Use 
this Guide to put Menu options back as they were before the thermostat Reset. For your 
convenience, Factory Settings are as shown.

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