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7
THERMOSTAT SCHEDULE
Energy Saving Factory Schedule
This thermostat is programmed with the energy saving settings shown in the table below for
all days of the week.
Wake Leave Return Sleep
Heating Schedule
6:00 AM - 70°F 8:00 AM - 62°F 5:00 PM - 70°F 10:00 PM - 62°F
Cooling Schedule
6:00 AM - 75°F 8:00 AM - 83°F 5:00 PM - 75°F 10:00 PM - 78°F
Note: Thermostat can be programmed on or o the subbase
Modify the Heating Schedule
1.) Slide the system switch to Heat
2.) Press Menu
3.) Press Next to enter the schedule
4.) The time icons will ash – use or to set the time for the start of a period
5.) Press Next – the set point icons will ash – use or to set the temperature for the
current period
6.) Continue to press Next to advance through all periods (Wake, Leave, Return, Sleep)
for all days of the week.
Note: Press Back to return to the previous setting. Once all days of the week have been pro-
grammed the thermostat will display End. Press Exit at any time to save changes and
return to home screen.
Modify the Cooling Schedule
1.) Slide the system switch to Cool
2.) Repeat steps 2-6 from the heating schedule
Symptom Possible Cause Corrective Action
No Heat/
No Cool/
No Fan
(common problem)
1.) Blown fuse or tripped circuit
breaker
2.) Furnace power switch to OFF
3.) Furnace blower compartment
door panel loose or not properly
installed
4.) Loose connection to thermostat
or system
1.) Replace fuse or reset breaker
2.) Turn switch to ON
3.) Replace door panel in proper position to
engage safety interlock or door switch
4.) Tighten Connections
No Heat
1.) System Switch not set to Heat
2.) Loose connection to thermostat
or system
3.) Heating System requires
service or thermostat requires
replacement
Verify thermostat and system wires are securely
aached.
Diagnosc: Set System Switch to Heat and raise
the setpoint above room temperature. Within ve
minutes the thermostat should make a so click
sound and “Heat On” should appear on display.
This sound indicates the thermostat is operang
properly. If the thermostat does not click, try the
reset operaon listed below. If the thermostat
does not click aer being reset, contact your
heang and cooling service person or place of
purchase for a replacement. If the thermostat
clicks, contact the furnace manufacturer or a
service person to verify the heang system is
operang correctly.
(Troubleshooting continued on next page)
TROUBLESHOOTING
Resetting the Thermostat or Thermostat Settings
If the thermostat has good batteries, but has a blank display or does not respond to key
presses, the thermostat should be reset by removing the batteries for 2 minutes. This reset
will not change the menu settings or program. If the condition persists after reinstalling the
batteries, replace the thermostat.
To conveniently reset only the schedule and user settings back to factory defaults, press Menu
and Backlight buttons at the same time and hold until the display goes blank and resets.
HOMEOWNER HELP LINE: 1-800-284-2925
White-Rodgers is a business
of Emerson Electric Co.
The Emerson logo is a
trademark and service mark
of Emerson Electric Co.
www.white-rodgers.com
www.emersonclimate.com
Symptom Possible Cause Corrective Action
No Cool
1.) System Switch not set to Cool
2.) Loose connection to thermostat
or system
3.) Cooling System requires
service or thermostat requires
replacement
Verify thermostat and system wires are securely
aached.
Diagnosc: Set System Switch to Cool and
lower setpoint below room temperature. Same
procedures as diagnosc for “No Heat” condion
except set the thermostat to Cool and lower the
setpoint below the room temperature. There may
be up to a ve minute delay before the thermostat
clicks in Cooling if the compressor lock-out opon
is selected in the installer menu. (see INSTALLER
MENU, item 50)
Heat, Cool or Fan
Runs Constantly
Possible short in wiring, thermostat,
heat, cool or fan system
Check each wire connection to verify they are not
shorted or touching other wires. Try resetting the
thermostat. If the condition persists contact your
HVAC service person.
Thermostat
Display &
Thermometer
Disagree
Thermostat display requires
adjustment
Display can be adjusted +/-5°. See User Menu
item 04
Furnace (Air
Conditioner)
Cycles Too Fast or
Slow (narrow or
wide temperature
swing)
The location of the thermostat and/
or the size of the Heating System
may be inuencing the cycle rate
Digital thermostats provide precise control and
cycle faster than older mechanical models. The
system turns on and o more frequently, but runs
for a shorter time. If you would like to increase
cycle time, choose SLO for slow cycle in the
Installer menu. (Reference menu items 30 & 35) If
an acceptable cycle rate is not achieved, contact
your HVAC service person.
“Call for Service”
icon appears on
displayed
1.) Heating system is not able to heat
the space to within 10 degrees of
the setpoint within 2 hours
2.) Cooling system is not able to cool
the space to within 10 degrees of
the setpoint within 2 hours
3.) If “--” is displayed for the Room
Temperature, a replacement
thermostat is needed
4.) None of the buttons operate on
the thermostat
5.) If “Call for Service” is ashing,
compressor self diagnostic is
detecting an issue with the
outdoor unit
1.) See corrective action for “No Heat”
2.) See corrective action for “No Cool”
3.) Replace thermostat
4.) Make sure keypad lockout is not turned on
(denoted by icon)
5.) Contact a service person to verify the
equipment is operating correctly
TROUBLESHOOTING (C0ntinued)