The 2 amp fuse on our Atwood 10 gallon gas water heater keeps blowing on our 1997 u270 despite following advice here. Thought I fixed it by making sure wires did not short...but it happened again after a week. Anyone know which Dinosour board I should replace the failing one with? Since it seems to work sometimes..may event try using a 3 amp fuse....but might as...