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Old 02-12-2018, 03:05 AM   #1
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Brand: Thor Motor Coach
Model: 2017 Miramar 34.4
State: Florida
Posts: 295
THOR #9721
ATWood Hot Water Heater Not Working On Gas or Electric

Tonight I learned that the hot water heater is not working at all. I went outside and do not even hear the wine that it usually makes. It was working when we were at our last stop, traveled and now it doesn't work at all.

We stopped for a RV wash and the high pressure hose they used caused some really erratic behavior with our furnace. I was able to correct that by drying out a bit of water that leaked onto the control board.

I've done some troubleshooting up to this point, but I'm a bit stumped.

I have a 2017 Miramar with a 6 gallon water heater.

* Electric or gas heater feature is not working (selectable via the switches on the wall)
* Breaker is ok. I've been switching it on and off troubleshooting.
* Opened up the relay box on the back of the hot water heater, reinstalled the wire caps. I did this because when I pulled the wire caps off, there was very little wire stripped away on the water heater black and white wires. I would like to go back later and replace these with the barrel connectors.
* I've tried to seat the spade connectors into the relay the best I could

I still get nothing. I've been reading through the threads here, I assume that maybe the relay is bad?
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2017 Miramar 34.4
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Old 02-12-2018, 03:28 AM   #2
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Brand: Thor Motor Coach
Model: 2017 Miramar 34.4
State: Florida
Posts: 295
THOR #9721
Disregard. I figured it out.

I pulled the #5 fuse while drying out the furnace. That fuse is also responsible for the 12v switch functions for the hot water heater. I put the fuse back in and heard the relay click back on.

At least I cleaned up my wirecap connections temporarily, but I need to go pick up some yellow barrels and replace them.
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