The most possible reason why a Pro1 thermostat T705 is not working is an incorrect setting of the HVAC system switch or the fan switch. If the display is blank, the cause is most probably dead batteries. These problems can easily be solved by replacing the batteries and resetting the thermostat.
How do you reset a pro brand thermostat?
The thermostat can be reset by power cycling. Power cycle the thermostat by removing if from the subbase and remove the batteries (some thermostats will not have batteries). Wait 10 seconds and then replace the batteries and place the thermostat back on the subbase. How can I upgrade my thermostat?
How do I unlock my pro 1 thermostat?
Note: To lock the keypad hold down the and keys for 3 seconds. You will see a lock in the display. To unlock the keypad hold down the and keys for 3 seconds. This thermostat has a technician setup menu for easy installer configuration.
Why is my thermostat saying it’s hotter than it is?
A thermostat can be recording the wrong temperature for a variety of reasons: Your thermostat’s sensor is malfunctioning. In some cases, a sensor can be recording the wrong temperature. A simple recalibration can often do the trick.
What does the hold button do on a thermostat?
This is where the “Hold” button on your thermostat comes into play. By pressing “Hold”, your thermostat will lock in the temperature it’s currently at until you change it again. When you are ready for your normal schedule to resume, simply press the “Run” button and return to your typical programming.
Does a pro thermostat have a reset button?
Reset to Factory Default Settings
To reset the Honeywell T5+ / T5 / T6 Pro Series Thermostats to factory default settings, you should follow these steps: Check whether the device is on (it should be on). Press the menu button and hold it for 5 seconds. Now scroll to the left and stop when you see ‘Reset’.
How do you manually reset a thermostat?
Reset the Thermostat
The method to reset your thermostat will vary depending on the model. Common methods for resetting a thermostat include installing the battery backward for five seconds, pushing a recessed reset button with a pin or paper clip, or shutting off the breaker to the thermostat for 30 seconds.
Where is the reset button on a thermostat?
Arrow Buttons – Normally, a thermostat has two arrow buttons for resetting the temperature higher or lower. If you adjust these, the new setting is temporary, only lasting until you have reached the end of the previously set program.
What does Stage 1 and 2 mean on my thermostat?
The second stage is the full capacity of your system. 1/3 compressor capacity is the 1st stage. 1st stage is more efficient than 2nd stage, but systems are designed to use both stages, so no worries there.
What happens if you wire a thermostat wrong?
Potential consequences of improper installation could include: Electric shock. Blowing a circuit breaker. Damaging the thermostat unit, the electrical system or even the AC/furnace unit itself.
What is the blue wire on a thermostat?
Blue wires are also called C wires because they are the Common wire. C wires are necessary for any smart thermostat that needs to be connected to a power source 24/7, regardless of your heat pump type.
