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Old 12-06-2022, 05:21 PM   #1
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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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Old 12-06-2022, 07:52 PM   #2
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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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Old 12-07-2022, 06:00 AM   #3
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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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Old 12-07-2022, 09:34 AM   #4
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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.
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Old 12-07-2022, 10:48 AM   #5
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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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Old 12-07-2022, 12:57 PM   #6
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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.
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Old 12-07-2022, 01:19 PM   #7
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Same pump as the summer loop pump I replaced during the summer?
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Old 12-07-2022, 03:33 PM   #8
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Do a search. There is an aftermarket pump that is much cheaper and better
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Old 12-07-2022, 07:41 PM   #9
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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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Old 12-07-2022, 07:51 PM   #10
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Yes. All the same.
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Old 12-18-2022, 09:19 AM   #11
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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″
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Old 12-18-2022, 06:10 PM   #12
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Quote:
Originally Posted by Dutchstar411 View Post
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″


Thanks for the link.
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