Owner's Manual

Troubleshooting
If
you have
difficulty
with your thermostat,
please try the following
suggestions. Most
problems can be corrected
quickly
and
easily.
Display
is
blank
Cannot
change
system
setting
to
Cool
Fan
does
not
turn
on
when
heat
is
required
"Wait"
appears
on
the
screen
Heat
pump
issues
cool
air
in heat mode,
or
warm
air
in
cool
mode
Heating
or
cooling
system
does
not
respond
Heating
system
is
running
in
cool
mode
•
Check circuit breaker and reset if necessary.
• Make sure power switch at heating and cooling system is on.
• Make sure furnace door is closed securely.
• Make sure C wire is connected (see page 5).
•
Check that
System Setup
screen
"Your
thermostat
controls"
or
"Your
system
type"
is set to match your heating and cooling equipment (see
page 29).
•
Check
that System Setup
screen
"Your
fan
control"
is set to match your
heating equipment (see page 28).
•
Compressor protection feature is engaged. Wait 5 minutes for the system
to restart safely, without damage to the compressor.
•
Check your setting for
System Setup
screen
"Type
of changeover valve"
to
make sure it is properly configured for your system (see page 28).
•
Touch
MODE
to set system to Heat. Make sure the temperature is set
higher than the
Inside
temperature.
•
Touch
MODE
to set system to
Cool.
Make sure the temperature is set
lower than the
Inside
temperature.
•
Check circuit breaker and reset if necessary.
•
Make sure power switch at heating and cooling system is on.
•
Make sure furnace door is closed securely.
• If "Wait"
is displayed, the compressor protection timer is on. Wait 5 minutes
for the system to restart safely, without damaging the compressor (see
page 26).
•
Check that System Setup
screen
"Your
thermostat
controls"
or
"Your
system
type" is set to match your heating and cooling equipment (see
"System Setup Options (SETTINGS
>
System Setup)"
on
page 29).
32