Potterton Combi E133

My Potterton Combi boiler fails to ignite permanently. It shows E133 error. Has someone any information about it? Will restarting the boiler help in this regard or should I ask for assistance from service center immediately?


Hi Tom,

E133 means no ignition; failures of different parts can cause this issue such as the soothed burner, PCB, ignition and flame detection electrode, high voltage cable, gas valve and blocked condensate. In your case, restarting the boiler can help at least temporarily. However, if problem lasts call service in order to replace the problem causing parts if you do not have required qualifications.