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12-06-2022, 04:21 PM
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#1
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Junior Member
Join Date: Nov 2021
Posts: 26
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Heat loop 2 light red
Lost heat last night after 12 hour drive. Front zone worked fine. Thats what kept me warm for the night. Rear zone no heat and had red light faults on the box next to furnace (heat loop 2). And zone fault was red above drive seat. I tried cutting all power to the bus. Didn’t reset it. Tried the bypass rocker switch. No help. Have I done enough trouble shooting to conclude I need a replacement pump like the one I replaced over the summer for the hot water (summer loop)?
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12-06-2022, 06:52 PM
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#2
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Registered User
Join Date: Feb 2021
Posts: 1,337
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Remove the cover to the silver box and find the blown 10 amp fuse for that zone. Swap that out and see if the light comes back on. If it does, the pump is shorted.
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12-07-2022, 05:00 AM
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#3
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Junior Member
Join Date: Nov 2021
Posts: 26
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Bobby. Good call. The fuse is blown. Along with the replacement I put in. As u say. The pump It may be “shorted”. What does this tell me? Thanks in advance for the help.
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12-07-2022, 08:34 AM
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#4
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Senior Member
Join Date: Sep 2012
Posts: 120
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Your blown loop 2 pump fuse indicates a bad pump motor requiring pump replacement. Shorted is just a term to describe a bad pump motor.
__________________
2017 Dutch Star 4369
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12-07-2022, 09:48 AM
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#5
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Junior Member
Join Date: Nov 2021
Posts: 26
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Thank you for giving it to me in simple terms. Heat loop pump the same summer loop pump?
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12-07-2022, 11:57 AM
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#6
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"Formerly Diplomat Don"
Newmar Owners Club
Join Date: Apr 2005
Location: Moorpark, Ca.
Posts: 24,122
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Get a new pump and bite the bullet and buy a spare. There are several posts on how to change them. It's a tight fit to get in there.
__________________
Don & Mary
2019 Newmar Dutch Star 4018 (Freightliner)
2019 Ford Raptor
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12-07-2022, 12:19 PM
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#7
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Junior Member
Join Date: Nov 2021
Posts: 26
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Same pump as the summer loop pump I replaced during the summer?
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12-07-2022, 02:33 PM
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#8
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Senior Member
Join Date: Aug 2020
Location: Ft. Myers, Fl.
Posts: 911
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Do a search. There is an aftermarket pump that is much cheaper and better
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12-07-2022, 06:41 PM
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#9
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Junior Member
Join Date: Nov 2021
Posts: 26
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People. Last question. I replaced my summer loop pump earlier this year. It was the After market pump. Are all three pumps the same?
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12-07-2022, 06:51 PM
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#10
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Senior Member
Alpine Owners Club Newmar Owners Club
Join Date: Oct 2005
Location: Fremont, Ca
Posts: 1,325
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Yes. All the same.
__________________
Jerry & Judy, Fremont, California
2017 Dutch Star 4018
Freightliner, HWH Active Air
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12-18-2022, 08:19 AM
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#11
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Senior Member
Newmar Owners Club
Join Date: Dec 2015
Location: Wellington, Florida
Posts: 1,721
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Link to US Solar Pumps
https://www.ussolarpumps.com/catalog...culating-pump/
C1E 12V 20L
Oasis Circulation Replacement Pump
12 Volts 34 Watts 2.8 Amps
Max Flow Rate 5 GPM / 20 LPM
Max Temperature 170 F / 76 C
Barbed Inlet / Outlet 1/2″x 1/2″
__________________
Ted & Nancy
2015 Newmar Dutch Star 4018
2020 Jeep Wrangler Rubicon
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12-18-2022, 05:10 PM
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#12
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Senior Member
Newmar Owners Club Freightliner Owners Club
Join Date: Sep 2012
Location: Miramar Beach, Florida
Posts: 865
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Quote:
Originally Posted by Dutchstar411
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Thanks for the link.
__________________
Ken & Diane
2014 Newmar Ventana 4369 All Electric 400HP
2023 Jeep Grand Cherokee Overland
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