The answer to 'zone control system not turning on' is that there are several common causes, including issues with the thermostat, dampers, or the control panel. Symptoms may include uneven heating/cooling, rooms not reaching the desired temperature, or the system not responding to thermostat changes. Solutions can range from simple DIY troubleshooting to more complex repairs that require a professional HVAC technician.
Some common causes include a faulty thermostat, stuck or malfunctioning dampers, issues with the control panel or wiring, or problems with the zone control system itself. It's important to carefully diagnose the root cause to ensure the right solution is applied.