Ignition Controls - Robertshaw Thermostats

Trouble Shooting Tips Problem # 4: Main Burner Does Not Shut Off WhenThermostat is Satisfied Possible Causes:– Faulty Gas Valve– Faulty Ignition Control Trouble Shooting:– Check thermostat to make sure contacts are open, checkfor 24 Volts between “TH” and “TR”.• Should be Zero, if gas valve is stuck open, replace valve– Check for 24 Volts between “PV/MV” and “GND” .• If 24 Volts present, replace ignition control• If 24 Volts not present, replace gas valve