12
Troubleshooting
If you have difficulty with your thermostat, please try the following
suggestions. Most problems can be corrected quickly and easily.
Display is
blank
•
Make sure fresh AAA alkaline batteries are correctly
installed.
Heating
or cooling
system does
not respond
•
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.
Cannot
change
setpoint
Verify the system switch is set to Heat or Cool mode. The
thermostat should allow you to change the setpoint within
the following 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.
For assistance with this product, please visit honeywellhome.com or call
Resideo Customer Care toll-free at 1-800-468-1502.
Electrical Ratings
Terminals
Voltage
(50 Hz/60 Hz)
Running Current
W
Heating
20 VAC-30 VAC
1.0 A
W
Power Pile Heating
750 mV DC
100 mA DC
Y
Compressor
20 VAC-30 VAC
1.0 A
O
Changeover, Cooling
20 VAC-30 VAC
0.5 A
B
Changeover, Heating
20 VAC-30 VAC
0.5 A
G
Fan
20 VAC-30 VAC
0.5 A
