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Unread 09-02-2008, 11:42 AM   #1
Not Yet Wild
 
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Default Textron charger not charging

I have a Textron charger # 28115 G01 that will not come on. The battery pack voltage is 37.2 volts. I ran the pack down to 35.6 volts but the charger still will not turn on. No clicks, no hum, no output on meter. I need a wiring diagram for this charger and some ideas. I believe that a circuit board and/of a relay has gone bad.
Thank you
Ron
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Unread 09-02-2008, 12:16 PM   #2
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Default Re: Textron charger not charging

Try the textron stickey post at the begenning of this section
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Unread 09-02-2008, 12:18 PM   #3
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Default Re: Textron charger not charging

Welcome to the forum Ronf..................
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Unread 09-05-2008, 08:54 AM   #4
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Default Re: Textron charger not charging

Ronf,
You can bypass the on/off relay on the board by putting a jumper wire across the two relay terminals.
Here is how:
1. depending on your cart place the cart in tow/maintenace with the switch on the controller cover.
2. Remove the cover on the charger with it unplugged.
3. Plug the charger in on the cart
4. Place a jump wire (12 Awg Min) across the two terminals on the on/off relay on circuit board. This should be the board that is mounted on the bottom of the charger next to the capacitor and will be a small black box with two black wires hooked to it.
5. Plug the charger in and listen for it to power on. Do not leave the charger plugged in for more than a few seconds as to err on the side of safety.
6. If the charger powers on then in all liklihood the on/off board is bad and needs to be replaced (around $70.00).
7. If it does not power on then check the charger plug and continuity of the red wire running from the back side of the cart charger receptalce to the battery.
Good luck.
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Unread 12-15-2010, 05:53 PM   #5
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Default Re: Textron charger not charging

Quote:
Originally Posted by Ronf View Post
I have a Textron charger # 28115 G01 that will not come on. The battery pack voltage is 37.2 volts. I ran the pack down to 35.6 volts but the charger still will not turn on. No clicks, no hum, no output on meter. I need a wiring diagram for this charger and some ideas. I believe that a circuit board and/of a relay has gone bad.
Thank you
Ron
Hey everybody, don't forget to check inline fuse link inside and reset the pop out button before saying that the open circuit voltage monitor board is at fault. Pull fuse link from clips and check with ohm meter. They do get warm over time hence wears them out from fatigue. I if I remember right, the circuit board will not become active until you reach 33 or 34 volts.Number U8 voltage regulator #78L-10A gives trouble.If board is bad then it would be the voltage comparator IC chip #MC14520B chip.
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Unread 12-15-2010, 05:58 PM   #6
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Default Re: Textron charger not charging

If you are going to jump across the 'AC' tabs on the board then don't cook your batts. to death. Make sure they are full of fluid hence DISTILLED WATER ONLY. Bubbles are OK but don't let batts get too hot.
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