Honeywell RTHL2510 Series Programmable Thermostat 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
•
•
•
•
Check circuit breaker and reset if necessary.
Make sure power switch at heating & cooling system is on.
Make sure furnace door is closed securely.
Make sure fresh AAA alkaline batteries are correctly
installed.
Heating
•
•
•
Set system switch to Heat. Make sure the temperature is
set higher than the Inside temperature.
Set system switch to Cool. Make sure the temperature is
set lower than the Inside temperature.
Wait 5 minutes for the system to respond.
or cooling
system does
not respond
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).
“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.
“Heat On” is
not displayed
•
•
Set the System switch to Heat, and set the temperature
level above the current room temperature.
“Cool On” is
not displayed
Set the System switch to Cool, and set the temperature
level below the current room temperature.
call Honeywell Customer Care toll-free at 1-800-468-1502.
17
firealarmresources.com
| General | Details |
|---|---|
| Name | Honeywell RTHL2510 Series Programmable Thermostat Owner’s Manual |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.8 MB |
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