Filter
Top Products
35
thermostat will quit calling for heat
for one minute (this allows some
furnaces to reset) and call for heat
again. It will repeat this sequence
three times. If the temperature still
does not rise, it will continue to call
for heat. This normally indicates the
heating system is not working
correctly. You may wish to consult
your furnace manufacturer or
service person.
The display will indicate
CHECKCHECK
CHECKCHECK
CHECK
STST
STST
ST
AA
AA
A
TT
TT
T if one of the following
occurs.
• One of the keys is stuck down or
in.
Check the keys, make sure nothing
is pushing them in.
• The thermostat sensor is not
functioning. If using a remote
sensor, check connections, wiring
and power. Refer to remote sensor
installation instructions
After checking the above, press
PROGRAM
RUN
to reset the
display. If this does not clear the
display, disconnect power for five
minutes.
If these checks fail to solve the
problem, the thermostat should be
replaced.
Temporary Program Override.Temporary Program Override.
Temporary Program Override.Temporary Program Override.
Temporary Program Override.
Any time your program is running
and you would like to override it for
a specific amount of time, press
or until the tempera-
ture you want is displayed. The
display will indicate
HOLDHOLD
HOLDHOLD
HOLD, and the
number of hours remaining in the
hold period will be indicated with
the word
HRSHRS
HRSHRS
HRS. To adjust the length
of time for the override, press
TIME
FWD
or TIME
BACK
.
HOLD TILLHOLD TILL
HOLD TILLHOLD TILL
HOLD TILL will be displayed as
well as the HOLD period expiration
time. Press the TIME
FWD
or
TIME
BACK
keys until you reach
the time you would like it to resume
the program. The TIME
FWD
or
TIME
BACK
keys adjust the time in
15 minute increments. This
programmed hold time has a 19
hour maximum. Beyond 19 hours
you may wish to use the vacation
hold feature (page 36). If you need
to, you can adjust the temperature up
or down.
Indefinite Program Hold.Indefinite Program Hold.
Indefinite Program Hold.Indefinite Program Hold.
Indefinite Program Hold.
If you want to operate the thermo-
stat to keep a set temperature
Features