is my heater about to fail?

[Rapidly]

Just did 4 days in a Southern MN state park with a lows in low 30s F, so used the heater each night. Every time it ignited there was a noticeable momentary dip in the electrical current, like it was almost too much load; you know, like when you turn on your garbage disposal or some high-draw appliance at home and the lights dim momentarily. We had no other electrical draw present -- no lights, no supplemental electric heat, etc. -- just the heater fan. Plugged into 30 amp service. Igniter was replaced new last season after OE igniter failed. Don't recall that dip thing happening before, is it normal?

[emjayuu]

In my opinion, it's not the heater. It's either 1) the campsite power to your trailer or 2) your power converter. Did you try it again when you got back home?

[Seann45]

That is usually low power at the pole.. it is why I have a Surge guard it protects the RV from low voltage high voltage spikes and miss-wired power plugs.. all of these can kill sensitive electronics like A/C and TV's.

[Rapidly]

That's reassuring, thanks. Will try at home, thanks for the suggestion. But it's now in storage so it'll have to wait until next spring.