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Generac, Guardian, Honeywell, Siemens, Centurion, Watchdog, Bryant, & Carrier Air Cooled Home Standby generator troubleshooting and repair questions
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Kclevidence
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Fri May 03, 2019 1:22 pm

Hello,
I have a 16k air cooled new unit.
The low battery alarm was lit actually yellow and red and the panel said low battery and auxiliary shutdown. I did the clear thing but did not work. Now the battery is dead and it won’t start. I am only running manually right now until I get WiFi.
I have read everything in manual. Part I am not understanding is about this kit for the battery charger. Do I need one or is it already included in unit? There are two little connection wires that are not attached to anything and doesn’t look like they go anywhere. The only thing connected to the battery is the positive and negative cables.
Can you please help me figure this out and what needs to be done?
Thanks
Kim
Chris
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Fri May 03, 2019 7:36 pm

Is this connected to a transfer switch and wired properly?

It sounds more like the charger doesn’t have power and the battery is dying.

The Aux shutdown 2800 alarm is due to one of the Aux Shutdown switched being turned off.

If you can, post a couple pictures of the install!
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Kclevidence
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Fri May 03, 2019 9:23 pm

Hi
Can you tell me where the power for the charger comes from?

I was told I don’t need a transfer switch.
Here are some pictures
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Chris
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Fri May 03, 2019 10:25 pm

Well, I guess that depends on what you're planning on doing with the gen.

The battery will not self charge when the unit runs. The T1 wire and neutral must be connected to 120V power for the charger to work. If you don't, the controller will kill the battery every couple of days. It's hard on the controller, the starter, and anything else to run at low battery voltage.
Generac tech for over 12 years. I'm here to help!
"The only source of knowledge is experience" -Albert Einstein
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Chris
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Fri May 03, 2019 10:26 pm

I guess I should ask... What is the gen connected to? As in, what's it powering to permit the lack of a transfer switch?
Generac tech for over 12 years. I'm here to help!
"The only source of knowledge is experience" -Albert Einstein
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Kclevidence
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Sat May 04, 2019 10:59 am

It runs directly to a grid tie inverter.
It is the power source to my house. It charges the batter bank when solar isn’t enough to keep batteries charged
Chris
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Sat May 04, 2019 12:02 pm

Well, I think that's your trouble. You can get a 2 wire start kit for this generator, but it HAS to have power to the T1 wire to keep the battery charged. This would normally be fed from the transfer switch, but any 120V source backed up by the generator will do.

Something else to keep in mind... This unit was really not designed for that kind of use. You'll really have to stay on top of maintenance!
Generac tech for over 12 years. I'm here to help!
"The only source of knowledge is experience" -Albert Einstein
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Kclevidence
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Sat May 04, 2019 12:45 pm

Ok..
Where and what is the T1 wire? Is it that wire that is hanging down in the one picture that isn’t connected to anything? And can you possibly send me info on what kit to get?
Thanks.
Chris
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Sat May 04, 2019 12:50 pm

It's on the top terminal block and will be a blue wire marked on the terminal strip.

There is no neutral connection since the generator's main neutral is normally used with a transfer switch and is shared.

The T1 power should be 120V and will need to be tied to the neutral bar in the gen if you aren't using a neutral.

Send me a PM with your info and I will send you some info about the kit.
Generac tech for over 12 years. I'm here to help!
"The only source of knowledge is experience" -Albert Einstein
Looking for Generac parts? Gentek Power offers the full line of Generac replacement parts! Shop Gentek Power Generac Parts
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