Lennox Error Code 107

Check sensor and wiring. The unit controller will set Supply Air Static Pressure Sensor (A30) error status if: • Input signal is above 4.9” wc for more than 30 seconds. OR • Input signal is below 0.1”wc 20 seconds after the blower has started with setting at or above Blower Output Static Duct Alarm Check. The CORE Unit Controller will clear the Supply Air Static Pressure Sensor (A30) error status and alarm after the expiration of Error Time OFF delay.