Home > Honeywell Home > Honeywell Home RTH Series X2S Smart Thermostat Installation Guide
Honeywell Home RTH Series X2S Smart Thermostat Installation Guide
Troubleshooting
Display is blank
•
•
•
•
Check circuit breaker and reset if necessary.
Make sure power switch for heating & cooling system is on.
Make sure wire connections (especially C wire) are secure.
Verify the R/Rc slider switch is set up if Rc doesn’t have a separate wire
attached.
Heating or cooling
does not run
•
•
•
When running heat, display will show HEAT ON in lower right of display
When running cool, display will show COOL ON in lower right of display
If display shows WAITING FOR EQUIPMENT under temperature
reading, it is in compressor delay mode to protect the system. Wait 5
minutes to see if the thermostat makes a Heat or Cool call
If display does not indicate a call for Heat or Cool or WAITING FOR
EQUIPMENT, verify the mode setting, temperature setpoint and room
temperature
•
If the Up or Down arrow is pressed
•
•
•
Upper left of display shows mode setting
Upper right shows setpoint
Center of display shows room temperature
If the issue persists
•
•
•
Check circuit breaker and reset if necessary
Make sure power switch at heating & cooling system is on
Make sure furnace door is closed securely
Heat or Aux Heat
runs with Cooling
•
•
Verify there is not a wire attached to W for heat pump systems. See
Wiring section
For heat pump applications the reversing valve is energized in Heat on
some heat pumps and Cool for other heat pumps. Verify that ISU 2060
is set correctly
•
Verify that no wires are shorted. Look for exposed sections of wire at the
UWP
Heat or Aux heat
runs with no call
for heat or cooling
•
•
Verify display does not indicate HEAT ON, COOL ON or AUX HEAT ON
Verify there is not a wire attached to W for heat pump systems. See
Wiring section.
•
•
Verify that no wires are shorted. Look for exposed sections of wire at the
UWP
Cannot change
setpoint to desired
setting
Verify the mode setting (Heat, Cool, Auto, or Em Heat in upper left of
display)
The setting ranges for these modes are:
•
•
Heat or Em Heat: 32 ºF to 90 ºF (0 ºC to 32.0 ºC)–
Cool: 50 ºF to 99 ºF (10.0 ºC to 37.0 ºC)
WAITING FOR
EQUIPMENT
shown in display
under room
•
The compressor protection feature is engaged. Wait a few minutes for
the system to safely restart to avoid damaging the compressor.
temperature
21
| General | Details |
|---|---|
| Name | Honeywell Home RTH Series X2S Smart Thermostat Installation Guide |
| Make | Honeywell Home |
| Language | English |
| Filetype | PDF (Download) |
| File size | 2.22 MB |
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