How do I troubleshoot if the pilot sparks but won't light the main burner

low refrigerant charge

a specific high-pressure rated control should be selected

the internal diaphragm or SPST contacts have likely failed

Honeywell MN7220A2007 Actuator Els PW 29614 How do I troubleshoot ifThe Honeywell MN7220A2007 Actuator is a professional grade, non spring return direct coupled actuator engineered for high precision modulating control in commercial HVACR systems. Delivering 175 lb in torque, this analog unit is built for air dampers, VAV units, and ventilation flaps requiring robust positioning without a fail safe return. It operates on 24VAC VDC, accepting 0 2 10 VDC or 4 20 mA control signals with a 500 ohm resistor. The Honeywell