The digital display on the Bryant/Midea multi zone ductless mini splits allows for troubleshooting on an outdoor unit, similar to what is possible on the indoor unit. Follow the instructions in this video to troubleshoot and understand fault codes on your unit.
Is doing preventative maintenance on air conditioning equipment essential? Yes, extremely. Neglecting necessary maintenance ensures a steady decline in air conditioning performance, while the equipment’s energy use will steadily increases.
Usually, you sell new equipment, install it, and move on. However, there are a lot of add-on items you might be missing that can easily be sold on every job and will not only increase profits but also add value for your customer.