MARS 92340 Relay What causes this high limit

What causes this high limit switch to trip frequently

and Payne gas furnaces and packaged units

Damper Blade Drive Lever ( Large )

Proper installation requires verifying the temperature rating against the original equipment manufacturer's specifications to ensure the combustion blower and heat exchanger operate within safe parameters

MARS 92340 Relay What causes this high limitThe MARS 92340 Relay is a heavy duty DPDT 24V relay designed for demanding switching applications in residential and commercial HVAC units. Engineered as a non positional switching solution, this 24V coil relay features a Double Pole Double Throw configuration, allowing for the simultaneous control of two independent circuits. With a robust resistive contact rating of 25 Amps at 277 VAC and an inductive rating of 15 Amps, it is the industry standard