How do I unlock my venstar t1800 thermostat?
How do I unlock my venstar t1800 thermostat?
Correction: To lock or unlock the thermostat buttons, press and hold the MODE button. While you are holding the MODE button, press the UP and DOWN arrow buttons as well.
What is MISC1 on a thermostat?
If your HVAC unit is equipped with a humidification system and the Humidity Module (sold separately) has been installed, the thermostat will provide power to the MISC1, MISC2, or MISC3 terminal of the thermostat when the humidity in the home falls below the humidity setpoint you have chosen.
Do venstar thermostats have batteries?
thermostat must be powered by two AA alkaline batteries. These batteries must be replaced (page 11) each year or when the Low Battery indicator is displayed (page 3).
Why is my venstar thermostat blank?
The screen is blank If the air filter has been replaced recently, make certain that the furnace panels are all secure. If you cannot find anything obvious, we would suggest reaching out to a local licensed heating / air conditioning company for assistance.
What does the red light mean on my thermostat?
If you notice a red light coming from your thermostat during regular operation, this usually means that the outdoor unit shut itself off due to a problem and is locked out from normal operation. When this happens, the outdoor unit sends a signal to the thermostat to let you know there is a problem with the unit.
Where are the batteries in the venstar thermostat?
The batteries are easily accessible from the battery slot located on the front of the thermostat (fig. 1). To open the battery slot, press down on the battery cover (fig. 1) and pull out (fig.
Why is my thermostat not displaying?
If your thermostat is blank, the first thing you should do is check the batteries. Chances are, the batteries have died and the thermostat simply can’t power on. Replace the batteries and see if your thermostat turns on.
Why the thermostat is not working?
If the thermostat’s display is dark, a lack of power may be the issue. Try replacing the batteries, then check for a blown fuse or tripped breaker in the electrical panel. If the thermostat is still unresponsive, make sure the breaker is shut off and remove the cover.
How do I fix the red light on my thermostat?
Solid red light – press the on/off button to reset the GFCI. If the red light on your unit is located at the TOP or on the RIGHT side of the thermostat and the red light does not turn off, this indicates that there is a ground fault in the heating system.