You're not far from me, so I know that the temperature at the site has been well below freezing at night.
After running a series of cheap generators here for many years I can tell you that there's likely water built up at the bottom of the fuel tank.
This freezes and constricts fuel flow which of course affects generator rpm and thus voltage and frequency.
So check for that but as everyone else has said so well, it's the generator.
Roy Butler Four Winds Renewable Energy, LLC 8902 Route 46, Arkport, NY 14807 607-324-9747 www.four-winds-energy.com
Education is when you read the fine print; experience is what you get when you don’t.
Although no trees were killed in the sending of this message,
a large number of electrons were terribly inconvenienced.
On 12/15/2020 2:17 PM, Dave Tedeyan
wrote:
From what I understand, they have had the system for a little over a year, and have not done any maintenance on the generator.I was also more suspicious of the generator, and was going to try turning down the charging amps to see if the generator will work better not being so loaded.
Dave, do you know if the Conext will log an error if the relays have actually been damaged? I am hoping that there will be something in the error logs that will help identify whether there is an inverter issue now, or whether the issue lies with the generator input.
Thanks!
-Dave
Dave Tedeyan, PESenior Engineer | Taitem Engineering, PC
110 South Albany Street | Ithaca, NY 14850o. 607.277.1118 x121 f. 607.277.2119
Solar • Sustainability • Energy • Design
Certified B-Corporation since 2013
On Tue, Dec 15, 2020 at 2:01 PM jay <jay.pe...@gmail.com> wrote:
HI Dave,_______________________________________________
Have them turn down the AC input and see if that fixes it.Sounds like a classic generator issue.As to why? When did they last change the oil, air filter, fuel filter, spark plug, adjust the valve or some electronic issue with the generator.
jay
peltz power
On Dec 15, 2020, at 11:14 AM, Dave Tedeyan <dtede...@taitem.com> wrote:
Hi All,_______________________________________________
I am going to service a system where the homeowner is telling me that their Conext SW4048 had been working fine for 14 months, and then all of a sudden recently stopped being able to charge the batteries from the generator. It is an off grid system.
The inverter would start charging the batteries, but then about a minute later they would hear a relay click and the charging would stop. Then it would just keep cycling. If they turned everything off for a while, they could then turn it back on and charge for maybe 10 minutes before it would start cycling. They just have a crappy 4kw generator from Harbor Freight.
I have not laid my own eyes on it yet, but will be there in the next day or two. Just wondering if anyone has experienced these symptoms and have a good idea of what to look for first.
Thanks!-Dave
Dave Tedeyan, PESenior Engineer | Taitem Engineering, PC
110 South Albany Street | Ithaca, NY 14850o. 607.277.1118 x121 f. 607.277.2119
Solar • Sustainability • Energy • Design
Certified B-Corporation since 2013
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