State select water heater pr650novet green light blinks, burner shuts off. I turn power vent switch off then back on it restarts burner comes back on but only for a few minutest then shuts off again. Any suggestions?

It can be number of things... Look at the troubleshooting chart below. See which light combination applies to your situation.

However, I suggest you call Manufacturer if in any doubt. Here is their contact number / technical support : 800-365-0577


Hope that helps

Milo