I'm new here and have a Monitor 2400 with the error 13 code. I haven't cleaned the fuel strainer yet but I'm presented with a weird issue I haven't seen any where on the net. The heater starts up and runs but as soon as the "burn" light comes on there is a knocking noise from the, I don't know what it is, I think fuel pump/strainer mechanism. It knocks for a few minutes and then shuts down and gives the error 13 code. I thought this thing was gravity fed but I don't know. I will replace the out side tank filter and clean the stainer tomorrow but if any one else has ever heard of this I would greatly appreciate your help.
Thanks,
Curt
Thanks,
Curt
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