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Posted by David Freitas on October 19, 2011 at 19:33:25:
In Reply to: Re: Lochinvar EBN300 will not stay lit posted by HeatPro on October 19, 2011 at 13:25:03:
: Good info. We're going through a troubleshooting sequence by elimination.
: Seems we've isolated to the control board and sensor.
: Unfortunately, I'm on a hotel wifi and the PDF won't strain through the web restrictions on that connection.
: I'd guess that the sensor on the ignition board has become coated in the few years from the last service and needs cleaning or replacement, as the electronic ignition board sensors are prone to such service needs over a few years.
: Described at
: http://www.livepast60.com/heatpro/service/ignitor.htm
Thanks for the info. That's what I thought it was. Gas co guy came today and has so far replaced ignitor/sensor, fresh air fan, and control board. Still does not run more than a few secs.
Boiler comes on as normal, but flame only comes on for about 5-6 secs now before shutting off. Does not appear to be over heating. Pump is running, and flow switch is activated. Totally at a loss here. Thank God we have a service contract on this thing.