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Old 05-16-2011, 09:25 AM   #1
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Go Dawgs's Avatar
Join Date: Mar 2011
Location: Kent, WA
Posts: 1,062
Hot Water Heater won't relight

Had our new to us MH out over the weekend for the first time and everything went great except for 2 things. 1 the weather was great until Saturday evening at 6:15 when the monsoons came and didn't leave. The only system issue I had was the hot water heater. It started up Friday evening with no problems and the water got hot and the system shut down as it should. I didn't think anything about it until I noticed the red light on switch at about 3am. Got up turned it off and went back to sleep. Now it won't start via the switch. I can light it manually by turning the switch on and lighting with a lighter. On my TT the HWH would refire when cold enough. What did I do?

We have an 87 Allegro and an atwood water heater.

Thanks as always

2017 Grand Design Reflection 303 RLS
2004 Ford F350 Lariat 4x4 Dually
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Old 05-16-2011, 10:00 AM   #2
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Ford Super Duty Owner
Join Date: Dec 2009
Location: Mcdonough, Ga.
Posts: 4,549
Your igniter is not working. 1. remove the igniter wire at the board. clean the connections. (make sure you turn off the power first, 50,000 volts hurt) 2. clean the tip of the igniter and make sure it is about 1/8 of an inch from the ground tip. 3. (This is one of the most common and hardest to determine.) There is a ceramic insulator, where the ign. lead goes through the support near the igniter tip. It is white glass and is sometimes called a cigerette insulator. (because it looks like a cigerette) These can crack an cause the voltage to go ground, or get loose and let the tip twist around and ground out. The best way to check this is to run a new wire to the board and hold the wire with a pair of insulated pliers and see if it sparke to ground.
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