Jayco RV Owners Forum

Thread Tools Display Modes
Old 09-27-2014, 03:00 PM   #11
Senior Member
D&MAKAFUN's Avatar
Join Date: Jul 2014
Location: KC MO
Posts: 358
There is a reset button in the area of the wh itself. Not very well marked. If this has been tripped it needs to be reset. Trying to brainstorm. If you are hooked up to sewer and can empty your grey tank, how long have you run the hot water faucet before you shut it off? Water temp, air temp and dial setting in the bathroom.
Check these 2 threads and see if any of their advice helps.
Hope this helps.

Darrell, Mary & K.C. Toller Mix
In our hearts: Goldens, Tess & Jericho
'15 Jayco Precept 31 UL "Bertha"
'13 Wrangler Sahara...AKAFUN
Roadmaster base plate
Ready Brute Elite towbar and brake combo
D&MAKAFUN is offline   Reply With Quote
Old 09-27-2014, 07:14 PM   #12
Join Date: Feb 2014
Location: Newburgh, NY
Posts: 42
You should first hear the tankless fan come on. It runs for a few seconds to purge any fumes from the heater. There is a flow switch there that verify the fan operations. The gas valve opens and at the same time the spark starts ticking just like a car spark plug. You may be able to see the spark inside the copper enclosure that houses the burners. If you get ignition, it should be running. If no ignition it attempts to start three times then locks out. Resetting power will allow it to try to start again. I spent time on the phone with Girard and by removing the spark plug, holding it near the frame inside the enclosure looking for a spark, they determined that it was a defective spark plug and shipped me a replacement. The white wire running from the controller on the left to spark plug on the right carries the juice for the plug. GOOD LUCK !

snipe22 is offline   Reply With Quote
Old 09-27-2014, 07:26 PM   #13
Senior Member
Join Date: Sep 2013
Location: Fort Worth
Posts: 349
Did you check the water pressure , sometimes my brother inlaw tankless water heater wont work properly if the pressure is to low JUST MY TWO
2000 FORD F-150 V-6/4.2
Kellys is offline   Reply With Quote
Old 09-28-2014, 05:27 PM   #14
Junior Member
Join Date: Aug 2014
Location: Oakley
Posts: 6
Tanks for all the Help. Rv will go to the shop next week for the oven to be replaced and will have them check out the water heater.
fx21basser is offline   Reply With Quote
Old 09-28-2014, 05:35 PM   #15
Senior Member
Ustabslim's Avatar
Join Date: Aug 2014
Location: Spicewood, Texas
Posts: 918
Let see now...make myself a note...NO tankless water heaters in my future...I like finding my privates after a shower..
2015 338RETS Eagle Premier gloss sides., king.
2012 Ram 3500, crew cab 4x4 duelly Deleted
16k miles, 530HP, 1000 +torque.
Ustabslim is offline   Reply With Quote
Old 09-28-2014, 07:31 PM   #16
Join Date: Feb 2014
Location: Newburgh, NY
Posts: 42
Did you figure out what the problem was ? If so, share it in Case I have another issue in the future. Just a hint, set the dial in the bathroom to a comfortable temperature. The lower, the better. Get in the shower and add the minimum amount of cold water to temper it..
snipe22 is offline   Reply With Quote
Old 09-28-2014, 07:56 PM   #17
Junior Member
Join Date: Apr 2013
Location: NE Ohio
Posts: 26
I called the manufacturer directly. LSS, it was the flow sensor. A new one was waiting for me when I got home.
renman is offline   Reply With Quote
Old 09-29-2014, 08:43 AM   #18
kevin5203's Avatar
Join Date: Apr 2014
Location: Kansas City
Posts: 39
I had a similar problem with my new Greyhawk 31 DS. There is a red lighted power switch in the bathroom but I also found a power switch outside behind the vent cover, which was off. Turned the outside switch on and it started working.
kevin5203 is offline   Reply With Quote
Old 09-29-2014, 09:58 AM   #19
Senior Member
McGarrett50's Avatar
Join Date: Jun 2014
Location: Clearwater
Posts: 172
Sounds like this may have been more than what I experienced on our first outing last week on our Precept 31 UL. At one point the water heater just stopped producing HOT water. The blower kicked on etc as usual but no hot water.

Having read some of the previous posts I figured it was the ECO button that needed to be reset, but darned if I could find it. A simple call to the manufacturer and quickly I was walked through where to find it. Pressed the button, turned on the hot water faucet in the kitchen and we were good to go.

I was also told to make sure the dial in the bathroom was at the mid-point and to adjust slightly up and down to taste. The dial had been set all the way to the right (HOT) and that tripped the ECO.
2015 Jayco Precept 31UL
Tow: 2014 Ford Fusion SE HYBRID
Blue Ox BX7420 Avail Towbar
SMI Duo "Stay in Play" Braking
Barley, our Golden Retriever, on board and Buster in spirit!

McGarrett50 is offline   Reply With Quote
Old 09-29-2014, 11:00 AM   #20
WeylanBryant's Avatar
Join Date: Apr 2011
Location: Highlands Ranch, CO
Posts: 71
McGarrett50... This sounds EXACTLY like what my unit is doing! WHERE is the ECO button, can you describe please? Thanks!! My dial is ALL THE WAY to the right as well, I'll adjust that to the "mid point" as you describe.

Woody B.
Highlands Ranch, CO

2015 Seneca 37TS ("Screaming Eagle")
2009 Hummer H3 ("Ranger")
2005 Chevy 2500HD ("Max")
2008 MasterCraft X-15 ("One More Time")
WeylanBryant is offline   Reply With Quote

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

» Virginia State Campgrounds

Reviews provided by

Powered by vBadvanced CMPS v3.2.3

All times are GMT -6. The time now is 11:00 PM.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2018, vBulletin Solutions, Inc.
Copyright 2002-2016 Social Knowledge, LLC All Rights Reserved.