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Old 07-20-2018, 10:05 AM   #1
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Morningstar Sunsaver SS-10 Error

I have a status LED Steady Red, and all three (yellow, green, red) lights flashing in sequence.
Looking at the owners manual is points me to internal or external temp sensors. Anyone have any advice or experience with what I should do?
Hard Reset? If so - How?
Video:https://youtu.be/qnB5YMOtF3k
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Old 07-20-2018, 12:11 PM   #2
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I got the error cleared! I disconnected the battery and solar ground wires coming into the front of the controller, and reconnected... All is good now...
Must have been gremlins!
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Old 07-20-2018, 01:23 PM   #3
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I got the error cleared! I disconnected the battery and solar ground wires coming into the front of the controller, and reconnected... All is good now...

Must have been gremlins!


Where are those blocks with the lights located? I have never seen the ones in my 16 CS, but have never looked either. TIA...dh
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Old 07-20-2018, 08:17 PM   #4
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Where are those blocks with the lights located? I have never seen the ones in my 16 CS, but have never looked either. TIA...dh
on my CS they are located in the cabinet right above the passenger seat with the rest of the electronics.
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Old 07-22-2018, 12:36 PM   #5
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I got the error cleared! I disconnected the battery and solar ground wires coming into the front of the controller, and reconnected... All is good now...
Must have been gremlins!
I think I have the same problem now. The lights are flashing Red, Yellow, and Green in sequence. Do you mean that you opened the panel above the passenger seat and disconnected the wires from the controller where the lights are flashing? Thanks
Jim
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Old 07-22-2018, 12:54 PM   #6
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I think I have the same problem now. The lights are flashing Red, Yellow, and Green in sequence. Do you mean that you opened the panel above the passenger seat and disconnected the wires from the controller where the lights are flashing? Thanks
Jim
Yes this is what I did, I temporally disconnected both white (Not Red) wires and reconnected them. This way the controller was Fully disconnected.
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Old 07-22-2018, 02:30 PM   #7
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Yes this is what I did, I temporally disconnected both white (Not Red) wires and reconnected them. This way the controller was Fully disconnected.
Thanks Bill! That solved my problem. The controller is now functional.Click image for larger version

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Old 07-22-2018, 02:33 PM   #8
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It is remarkable, when I did a google search with this issue I found people being advised to replace the controller!!
And the manual even suggests a bad temp sensor... I figured that because my coach is in storage and the temps inside gets into the high 80's.... this could be the issue. I keep one of my fantastic fans on automatic (with a window open) to run when the temp gets low 80 and it seems to keep the coach temperature down.
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Old 07-22-2018, 02:41 PM   #9
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It is remarkable, when I did a google search with this issue I found people being advised to replace the controller!!
Entegra told me that I had a problem on the roof with the panel or the electrical connections. Thank you so much for posting this. I'll share on Friends of Entegra and commend you for finding the answer.
Jim
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Old 10-03-2019, 10:03 AM   #10
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My Red-Yellow-Green lights came back. I disconnected the white cables from the controller which resolved the issue for a few hours, but the problem returned. I'm trying to find out more on this issue from Cust Service at Ameresco 443-873-4937
855-437-6527 Adam. Waiting for a return call.
Jim
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Old 10-03-2019, 12:24 PM   #11
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My Red-Yellow-Green lights came back. I disconnected the white cables from the controller which resolved the issue for a few hours, but the problem returned. I'm trying to find out more on this issue from Cust Service at Ameresco 443-873-4937
855-437-6527 Adam. Waiting for a return call.
Jim
Spent several hours on the phone today between Entegra, Ameresco (the distributor to Entegra), and Morningstar (the manufacturer)... in addition to studying the Users Manual.
I was asked to remove the positive wire from the SOLAR side and test the voltage. It read about 21V. He then had me reconnect the wire and we had a long discussion. My small multimeter is not capable of reading up to 10amps, so we weren't able to further troubleshoot the wires leading from the roof. He said if the R-Y-G indication returned after about 20-min, my problem is most probably a loose wire. By using a better multimeter, I could test the current coming directly from the SOLAR panel by testing amperage across the two disconnected solar wires at the controller. If the current is low during a good sunny day, the connections between the SOLAR panel and the controller are suspect. A note to others, if you are disconnecting the two white wire as discussed above, always disconnect the SOLAR wire first and reconnect the SOLAR last, otherwise a voltage spike may result.
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