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Unread 06-11-2018, 08:22 AM   #1
Not Yet Wild
 
Join Date: Aug 2017
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Default selonoid rxv overheating

Hello,
I have 2008 ezgo rxv with a conversion kit to curtis controller.
The conversion is working well and the cart goes fine.
Recently , I noticed that the solenoid is overheated.
The problem started yesterday afternoon, The cart was ON but when pressing throttle pedal , it didn't run. After cooling the selonoid , it worked well in the evening.

Today's afternoon , The cart worked for 10 minutes , Then the pedal didn't respond again .when i restarted the cart , the solenoid clicked twice "the cart went off" . It stayed off for 2 hours although the solenoid cooled down.
Now it works. So I expect it will repeat same behaviour again.

I have:
- ezgo curtis conversion kit (6 - 8v)
https://shop.txtsv.com/danaher-6-8v-...conversion-kit
- original selonoid of rxv 2008
- original brakes of rxv 2008
- original motor of rxv 2008
- four batteries 12 V each ( 52 when charged )

also, the selonoid heats without any load "the cart isn't moving at all"

So , Any one expects what the problem is ?
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Unread 06-11-2018, 09:20 AM   #2
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Default Re: selonoid rxv overheating

Sol will get warm in normal operation.

need more info .

can you get cart checked with handheld?
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Unread 06-11-2018, 09:31 AM   #3
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Default Re: selonoid rxv overheating

Quote:
Originally Posted by HiTechRedNeck View Post
Sol will get warm in normal operation.

need more info .

can you get cart checked with handheld?
No , unfortunately , I haven't a hand-held.
But If you suspect any part , I can check it.

Again , The cart works well for sometimes then it stops ( either the car doesn't respond to pedal or the solenoid clicks twice).

The motor brakes resistance is 27 Ohm.
I checked the run plug and it's fine.
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Unread 06-11-2018, 11:49 AM   #4
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Default Re: selonoid rxv overheating

Quote:
Originally Posted by apro2929 View Post
No , unfortunately , I haven't a hand-held.
But If you suspect any part , I can check it.

Again , The cart works well for sometimes then it stops ( either the car doesn't respond to pedal or the solenoid clicks twice).

The motor brakes resistance is 27 Ohm.
I checked the run plug and it's fine.
The flaw in that Danaher to Curtis conversion is the continued use of the small solenoid. I suggest you replace it with the newer solenoid for a later Curtis RXV. Those 2008 solenoids were problematic, as they are rated for a lower current than the new ones. You want an OEM one of this style...

https://www.ebay.com/itm/302481674045
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Unread 06-11-2018, 02:02 PM   #5
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Default Re: selonoid rxv overheating

Quote:
Originally Posted by BobBoyce View Post
The flaw in that Danaher to Curtis conversion is the continued use of the small solenoid. I suggest you replace it with the newer solenoid for a later Curtis RXV. Those 2008 solenoids were problematic, as they are rated for a lower current than the new ones. You want an OEM one of this style...

https://www.ebay.com/itm/302481674045
This is the answer you have been looking for. I rarely see the small tiny solenoid still in operation, they have mostly all died by now.
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Unread 06-11-2018, 02:27 PM   #6
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Default Re: selonoid rxv overheating

Thank you

I want to ensure that we are talking about the same solenoid.

These are pictures of my solenoid.


https://drive.google.com/file/d/0B1O...w?usp=drivesdk

https://drive.google.com/file/d/1ZUk...w?usp=drivesdk

Is this the solenoid you mentioned that it's tiny and no longer used ?

Thank you
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Unread 06-11-2018, 08:03 PM   #7
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Default Re: selonoid rxv overheating

No, actually you have the better solenoid. I have seen that solenoid fail, but it has been very few, like 2 ever.
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Unread 06-11-2018, 08:54 PM   #8
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Default Re: selonoid rxv overheating

Quote:
Originally Posted by apro2929 View Post
Thank you

I want to ensure that we are talking about the same solenoid.

These are pictures of my solenoid.


https://drive.google.com/file/d/0B1O...w?usp=drivesdk

https://drive.google.com/file/d/1ZUk...w?usp=drivesdk

Is this the solenoid you mentioned that it's tiny and no longer used ?

Thank you
The pics did not load for me, but cgtech said you have the newer solenoid. The newer ones rarely fail. Someone had to have changed it, because all 2008 RXVs came with a smaller solenoid that was hardwired into the harness.

It is possible that the solenoid contacts have gone south. A new solenoid is inexpensive enough to try replacing it. The RXV pulls in the solenoid with 36V, then drops it back to 28.8V to hold it in. This is to reduce heating. So if your solenoid is heating up, maybe the coil is going bad, or the contacts may be chattering under the reduced hold-in voltage. Try changing it out and see if that solves the issue.
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Unread 06-12-2018, 05:48 AM   #9
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Default Re: selonoid rxv overheating

thank you both,
i will try another one

regarding this thread here:
E-Z-GO RXV Solenoid - 48 Volt Solenoid to Replace 36 Volt Solenoid...

does the pwm changing apply in my case ?
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Unread 06-12-2018, 09:02 AM   #10
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Default Re: selonoid rxv overheating

Quote:
Originally Posted by apro2929 View Post
thank you both,
i will try another one

regarding this thread here:
E-Z-GO RXV Solenoid - 48 Volt Solenoid to Replace 36 Volt Solenoid...

does the pwm changing apply in my case ?
You want the 36 volt one, the controller reduces the 48V to drive the solenoid at 36 volts to pull in and 28.8 volts to hold it pulled in. A 48 volt solenoid will not work without reconfiguring the controller to apply full voltage.

Bob
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