When the Programmable Thermostat Acts Up, Know What to Do

When the Programmable Thermostat Acts Up, Know What to DoProgrammable thermostats can save homeowners a lot of money and hassle, especially in a climate like Grand Traverse County’s. But like any appliance, they can malfunction. When that happens, knowing how to troubleshoot your programmable thermostat can be a big help – not every problem requires a visit from the HVAC guy.

  1. First, check the batteries. Most models should have a “low battery” indicator, but for those that don’t – and those where the indicator itself may malfunction – checking the batteries should be your first step. If the batteries in the unit are more than six months old, you may want to replace them regardless of whether or not the indicator light is on.
  2. Next, check the fuse. Programmable thermostats generally have a fuse which protects their delicate internal components from a potential power surge. If the filament is burned out, remove the fuse, and take it with you to the hardware store to make sure you get the correct replacement.
  3. Check to see if the programmable thermostat is failing to communicate with both heating and cooling systems. If the thermostat can control the furnace but not the A/C, it may be a problem in the A/C rather than the thermostat, for example. (If this is the case, you will need to call your contractor.)
  4. If none of the above steps fix your issue, the thermostat itself may need to be replaced. Thermostats contain a circuit board which controls their operation, and – like other electronics – this board can wear out.
  5. If replacing the thermostat doesn’t fix your HVAC problems, call a technician out to have a look at your entire system.

To learn more about getting the most out of the programmable thermostat in your North Michigan home, contact us today at Team Bob’s Heating Cooling Plumbing.

Our goal is to help educate our customers in Traverse City, Michigan and surrounding areas about energy and home comfort issues (specific to HVAC systems).  For more information about programmable thermostats and other HVAC topics, download our free Home Comfort Resource guide.

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