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Q: Why won't the heat turn off?
A. Example: Your heat won't turn off after reaching the set
temperature, and the room gets too hot. Here are some things that
could cause that problem:
1. The thermostat might have been configured incorrectly.
For instance, if the system is a conventional unit but you
configure it as a heat pump. Verify the kind of system you are
using (Heat pump or Conventional unit) and make sure that
you wired the system correctly.
2. In some cases, the temperature will go up about 2 to 4
degrees higher than the set point temperature because the
residual heat from the furnace causes the temperature in
the room to rise till it dissipates, even after heating has
stopped. Set the thermostat heating 2 to 3 degrees below the
preferred set point if you realise this situation.
2. The thermostat or its wires have been damaged and are
not reliably signaling the heating system primary controller. For
example, an internal relay is sticking and keeps heat on even
after the thermostat has sent a signal to shutdown heating.
3. The thermostat is being blocked from properly sensing
room heat. That could be due to the movement of the warm
air supply registers to a new, more distant location, or more
often, due to furniture, drapes, or even dust that blocks the air
inlet openings around the thermostat that allow it to sense
room temperature. This results in the thermostat inaccurately
sensing the temperature in the room.
4. The thermostat is located on a cold outdoor wall or where
cold air blows on it. However, if your thermostat was not
moved and is on an interior wall and in a draft of cold air, this
isn't likely to be the cause of your issue.
Q: What can cause the thermostat fuse to blow?
A. Some of the reasons why the thermostat fuse will blow or emit
smoke are:
1. The voltage from the C terminal of your control board is higher
than 28 VAC. Currently, Wyze Thermostat only supports
voltages lower than 28 VAC and as such voltages equal and
above 28 VAC will cause the fuse to blow.
2. A short circuit between Rc and C on the thermostat will also
cause the fuse of the furnace to blow. This is a rare case
caused in the manufacturing process.
3. The fuse of the furnace will blow if you mistakenly connect the
RC wire to the Rc terminal and the C-wire to the Rh terminal.
Always make sure you are connecting the right wires to the
right terminals.
Q: Why does my Furnace fuse keep blowing?
A. Under normal circumstances, a well installed thermostat will not
cause the furnace fuse to blow. However, this may happen if there is a
short circuit between any of the wires and C. For example, if the W1
wire and the C-wire are touching each other, then there will be a short
circuit whenever the thermostat calls for heat, resulting in the fuse of
the furnace to blow. To resolve this, check your wirings to ensure that
you do not have any exposed wires touching each other.
Q: Why does my temperature settings and schedule keep
changing?
A. Your temperature settings or schedule may change if there is a
switch between states. Any change in State (Home, Away, Sleep)
during a schedule will result in the schedule being canceled. The
temperature preference is the basic temperature setting for the
thermostat. Changing states (Home, Away or Sleep) during a
schedule will cancel the schedule at that particular time. The
temperature for the temperature preference will then be activated.
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