RTH6300B Programmable Thermostat
23
Installation Guide
22
In case of difficulty
If you have difficulty with your thermostat, please try the suggestions below. Most
problems can be corrected quickly and easily.
Display is blank
•
Make sure fresh AA alkaline batteries are properly installed (see page 14).
Temperature
settings do not
change
Make sure heating and cooling temperatures are set to acceptable ranges:
•
Heat: 40° to 90°F (4.5° to 32°C).
•
Cool: 50° to 99°F (10° to 37°C).
Cannot change
system setting
to Cool
•
Check Function 1: System Type to make sure it is set to match your
heating and cooling equipment (see page 17).
Fan does not
turn on when
heat is required
•
Check Function 3: Heating Fan Control to make sure it is set to match
your heating equipment (see page 19).
Heating or
cooling system
does not respond
•
Press
S
SY
YS
ST
TE
EM
M
button to set system to Heat. Make sure the temperature
is set higher than the Inside temperature.
•
Press
S
SY
YS
ST
TE
EM
M
button 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 & cooling system is on.
•
Make sure furnace door is closed securely.
•
Wait 5 minutes for the system to respond.
In case of difficulty
“Cool On” or
“Heat on”
is flashing
•
Compressor protection feature is engaged. Wait 5 minutes for the
system to restart safely, without damage to the compressor.
