Code 36 — Fan Coil Control Fault Heater May Be Off

What does 36 mean?

This fault indicates a general control problem within the Fan Coil unit, specifically affecting the heater function. The system may prevent the heater from operating.

• Faulty control board in the fan coil
• Wiring issue to the heater components
• Incorrect settings or programming
• Sensor malfunction

Click steps to track your progress.

1. 1

   Check the thermostat settings to ensure it is correctly calling for heat.

2. 2

   Turn off power to the fan coil unit at the circuit breaker for 30 seconds, then restore.

3. 3

   Verify that air filters are clean and air vents are open.

4. 4

   If the heater remains off and the fault persists, contact a qualified HVAC technician.