69-1284—218
If You Have a Problem
Table 4. Solution Guide.
If... Then…
Displa
does not appear.
•
Make sure the batteries are installed correctl
.
•
Make sure the thermostat is mounted and latched on the wallplate.
Mount and latch the thermostat on the wallplate if it is not.
Temperature settin
s will not chan
e
(example; cannot set the heatin
hi
her or the coolin
lower).
•
Make sure the temperature setpoints are:
40 to 90°F (4.5 to 32°C) for heatin
.
45 to 99°F (7 to 37°C) for coolin
.
Heatin
does not come on.
•
Make sure the heatin
setpoint is above the room temperature.
•
Make sure the circuit breaker is not tripped, and reset it if necessar
.
•
Make sure the power switch at the equipment is in the On position, and
set it to On if it is in the Off position.
•
Wait five minutes for the s
stem to respond.
•
Set the s
stem ke
to Heat.
Coolin
does not come on.
•
Make sure the coolin
setpoint is below the room temperature.
•
Make sure the circuit breaker is not tripped, and reset it if necessar
.
•
Make sure the s
stem switch at the air conditioner is in the On position,
and set it to On if it is in the Off position.
•
Wait five minutes for the s
stem to respond.
•
Set the s
stem ke
to Cool.
S
stem on indicator ( = heat, =
cool) is lit, but no warm or cool air is
comin
from the re
isters.
Wait five minutes after seein
the flame or snowflake and check the re
isters
a
ain. If no there is no hot or cool air comin
from the re
isters, refer to
Heatin
does not come on or Coolin
does not come on. If all of this has been
checked, contact
our local heatin
and coolin
contractor.
Displa
flashes durin
pro
rammin
. The temperature settin
limit has been reached. The heatin
settin
ran
e is
40°F to 90°F (4.5°C to 32°C). The coolin
settin
ran
e is 45°F to 99°F (7°C
to 37°C).
