09rxv 48v no power after riding a min

2009 rxv · 04-04-2018, 11:02 PM

I ride it maybe 1/4 mile then the needle gage drops to charge and it will go. But really weak and will not climb a little road hill.

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cgtech · 04-05-2018, 12:24 AM

Accompanied by a burning smell from the motor brake? Let cart totally cool, charge batteries, then go for the 1/4 Mile drive. Carefully check motor brake for crazy heat, I mean hot. Under normal operation, a 1/4 Mile trip should not be enough time for any notable increase.

2009 rxv · 04-05-2018, 01:49 AM

Quote:

Originally Posted by cgtech

Accompanied by a burning smell from the motor brake? Let cart totally cool, charge batteries, then go for the 1/4 Mile drive. Carefully check motor brake for crazy heat, I mean hot. Under normal operation, a 1/4 Mile trip should not be enough time for any notable increase.

I don't smell a burning smell at all.

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2009 rxv · 04-05-2018, 01:52 AM

Quote:

Originally Posted by 2009 rxv

I don't smell a burning smell at all.

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What's the motor brake have to do with it.

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cgtech · 04-05-2018, 10:04 AM

They are known to fail to the "brakes on" mode, which greatly reduces power, generates tons of heat, and usually smells bad.

2009 rxv · 04-05-2018, 04:26 PM

Quote:

Originally Posted by cgtech

They are known to fail to the "brakes on" mode, which greatly reduces power, generates tons of heat, and usually smells bad.

I'll be home in a week. I'll follow-up on your last thread. Thanks !

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kernal · 04-05-2018, 04:32 PM

Also check batteries. You'll need a digital volt meter. Charge batteries. Let charger shut off automatically. Wait about 10-12 hours. Take battery voltage and post it here. Pack should read 50.9 or there abouts. Refer to the chart.
If this looks ok, next test is load test which can be done with just the cart and the meter.

2009 rxv · 04-05-2018, 08:18 PM

Quote:

Originally Posted by kernal

Also check batteries. You'll need a digital volt meter. Charge batteries. Let charger shut off automatically. Wait about 10-12 hours. Take battery voltage and post it here. Pack should read 50.9 or there abouts. Refer to the chart.
If this looks ok, next test is load test which can be done with just the cart and the meter.

Ok will do when I get home thanks.
I have a volt meter and it's for gas/ electric. y'all recommend using those even if it says for G/E

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kernal · 04-06-2018, 07:00 AM

digital multimeter. needs to have a scale to read at least 100v.

The load test will involve clamping the meter probes to the battery pack main pos and neg and observing the voltage drop while driving the cart. You could also take the cart to a golf cart shop and they can do this with a machine or a hydrometer.

The point is your symptoms point to failing batteries assuming the brake is ok.

2009 rxv · 04-07-2018, 12:21 AM

Quote:

Originally Posted by kernal

digital multimeter. needs to have a scale to read at least 100v.

The load test will involve clamping the meter probes to the battery pack main pos and neg and observing the voltage drop while driving the cart. You could also take the cart to a golf cart shop and they can do this with a machine or a hydrometer.

The point is your symptoms point to failing batteries assuming the brake is ok.

I think the break is good to.i just replaced it 4 month's ago. Not saying it can't go bad in that time but yes good brake. I'm thinking it's the battery's going bad. I'll check it.

Thanks for the replies guys keep them coming. When u get home I'll get to business.

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04-04-2018, 11:02 PM	#1
2009 rxv Not Yet Wild Join Date: Jun 2017 Posts: 18	09rxv 48v no power after riding a min I ride it maybe 1/4 mile then the needle gage drops to charge and it will go. But really weak and will not climb a little road hill. Sent from my Z835 using Tapatalk
2009 rxv Not Yet Wild Join Date: Jun 2017 Posts: 18

04-05-2018, 12:24 AM	#2
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: 09rxv 48v no power after riding a min Accompanied by a burning smell from the motor brake? Let cart totally cool, charge batteries, then go for the 1/4 Mile drive. Carefully check motor brake for crazy heat, I mean hot. Under normal operation, a 1/4 Mile trip should not be enough time for any notable increase.

04-05-2018, 10:04 AM	#5
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: 09rxv 48v no power after riding a min They are known to fail to the "brakes on" mode, which greatly reduces power, generates tons of heat, and usually smells bad.

04-06-2018, 07:00 AM	#9
kernal Gone Wild Join Date: Jul 2010 Location: Peachtree City, Ga. Posts: 2,759	Re: 09rxv 48v no power after riding a min digital multimeter. needs to have a scale to read at least 100v. The load test will involve clamping the meter probes to the battery pack main pos and neg and observing the voltage drop while driving the cart. You could also take the cart to a golf cart shop and they can do this with a machine or a hydrometer. The point is your symptoms point to failing batteries assuming the brake is ok.

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