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02-10-2019, 12:07 PM
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#1
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Junior Member
Join Date: Feb 2019
Posts: 4
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Battery Time-Out?
Just purchased a new Tiffin last week and I think something was missed on the walk through. If the coach sits overnight, when I open the door the steps dont come out and it appears all 12v items in the house part arent on (touchscreen wont come on) when I turn the ignition key on, all works fine and the steps will come out and retract. Is there a time out switch somewhere that I am missing, getting old to hoist myself up to get in.
Thanks in advance
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02-10-2019, 12:16 PM
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#2
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Senior Member
Winnebago Owners Club Workhorse Chassis Owner
Join Date: Nov 2018
Posts: 2,519
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Sounds like your house batteries are dead. Turning on the ignition switch closes the relay that connects your starting battery to the house batteries, restoring power to the house side.
That's my guess anyway, I'd be making sure it was charging from shore power and you haven't inadvertently left some loads turned on.
Mark B.
Albuquerque, NM
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02-10-2019, 12:17 PM
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#3
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Junior Member
Join Date: Feb 2019
Posts: 4
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All battery levels are showing fully charged when I turn key on
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02-10-2019, 12:18 PM
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#4
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Senior Member
Winnebago Owners Club Workhorse Chassis Owner
Join Date: Aug 2007
Location: Sonoma County, CA
Posts: 6,401
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Could be as simple as the "salesman" switch is turned off. Also know as the house battery disconnect.
__________________
Wayne & Roberta
08 Winnebago Destination 39W Gas UFO Workhorse Chassis......It's really weird being the same age as old people. I thought getting old would take much longer.
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02-10-2019, 12:20 PM
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#5
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Junior Member
Join Date: Feb 2019
Posts: 4
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Thanks, I have a call in to the dealer but since its the weekend I probably wont here back until Monday
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02-10-2019, 12:30 PM
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#6
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Community Administrator
Tiffin Owners Club
Join Date: Sep 2013
Location: DFW, Texas
Posts: 21,517
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Quote:
Originally Posted by OpenRd
All battery levels are showing fully charged when I turn key on
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There is no timeout on the 12v house system. What you are probably seeing is the chassis batteries powering both the house and chassis. From your description, the house batteries are dead because even if the house disconnect switch by the door was turned off the step would still operate. What 12v appliances, lights, furnaces, etc did you leave on to drain the batteries overnight?
__________________
 2017 Phaeton 40IH XSH Maroon Coral - Power Glide Chassis with IFS
Previous '15 Tiffin Allegro RED 38QRA and '06 Itasca Sunrise 35A
'16 Jeep JKU Wrangler Sahara or '08 Honda Goldwing
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02-10-2019, 12:37 PM
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#7
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Senior Member
Join Date: Jun 2017
Posts: 2,807
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I may be wrong, but isn't the step powered by the CHASSIS battery?
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02-10-2019, 12:54 PM
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#8
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Junior Member
Join Date: Feb 2019
Posts: 4
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I havent left anything on
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02-10-2019, 01:15 PM
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#9
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Senior Member
Winnebago Owners Club Workhorse Chassis Owner
Join Date: Aug 2007
Location: Sonoma County, CA
Posts: 6,401
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My steps are powered by the house batteries.
__________________
Wayne & Roberta
08 Winnebago Destination 39W Gas UFO Workhorse Chassis......It's really weird being the same age as old people. I thought getting old would take much longer.
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02-10-2019, 01:18 PM
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#10
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Community Administrator
Tiffin Owners Club
Join Date: Sep 2013
Location: DFW, Texas
Posts: 21,517
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Quote:
Originally Posted by tfryman
I may be wrong, but isn't the step powered by the CHASSIS battery?
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On both our Allegro RED and our Phaeton the steps are powered by the house batteries.
__________________
2017 Phaeton 40IH XSH Maroon Coral - Power Glide Chassis with IFS
Previous '15 Tiffin Allegro RED 38QRA and '06 Itasca Sunrise 35A
'16 Jeep JKU Wrangler Sahara or '08 Honda Goldwing
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02-10-2019, 01:19 PM
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#11
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Community Administrator
Tiffin Owners Club
Join Date: Sep 2013
Location: DFW, Texas
Posts: 21,517
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Quote:
Originally Posted by OpenRd
I havent left anything on
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You might check your inverter. If it's left on it can drain the batteries, but I wouldn't think it would do that overnight.
__________________
2017 Phaeton 40IH XSH Maroon Coral - Power Glide Chassis with IFS
Previous '15 Tiffin Allegro RED 38QRA and '06 Itasca Sunrise 35A
'16 Jeep JKU Wrangler Sahara or '08 Honda Goldwing
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