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Electric Club Car Electric DS, and Precedent golf cars |
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06-10-2018, 10:05 AM | #1 |
Getting Wild
Join Date: Jan 2011
Location: Dayton Ohio
Posts: 130
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09 Precident throttle issues
New mcore. Controller just back from rebuild at FSIP Step on pedal lightly and 12 ft or so and dead. Full all at once and 2 ft dead. Up on jacks. Signal pin 1 wht blk(send) 4.60v return pin 2 yellow 4.59 at pedal down. Push down to 2.5 volts and will run 40 seconds or so and out put of controller goes dead. But signal and return pin 1 and 2 stay on with no change till pedal back at rest then they go to 0. My question is . Can i assume the problem is in the controller since the throttle send and return are both staying on even after it shuts off the output to motor? If it was the mcore switch shouldn`t the throttle signal go off indicating turning off the controller. Those stay normal till I let the pedal up then they go to 0.Also when I roll the cart the rev beep is working and the regen tries to slow it down as normal.
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06-10-2018, 01:11 PM | #2 |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: 09 Precident throttle issues
Double check your troubleshooting by doing this. With key switch On, Run/Tow switch in the Run position, Fwd/Rev rocker switch in the Fwd position (and also have the back jacked up off the ground). Take your DVM and place the black (–) probe at the motor A2 (white wire) and connect the red (+) probe at the motor A1 (green wire) and slowly depress the Go Pedal. When the MCOR closes (clicks), the voltage reading should increase from ~5vdc gradually going up to to at least ~37vdc (could be higher) with the accelerator pedal fully pressed. Keep the probes hooked up once you have a steady state and if it goes erratic or drops off then your controller has failed internally since you have verified a steady input signal.
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06-10-2018, 03:14 PM | #3 |
Getting Wild
Join Date: Jan 2011
Location: Dayton Ohio
Posts: 130
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Re: 09 Precident throttle issues
OK. First Thanks for your reply. First time sol came on and as i went down with pedal. volts went steady increasing to 37.73 total time operating,about 34 seconds and volts became erratic then 1 second later motor quit and volts dropped to 0 .I let up pedal and repeated. sol came on just started to increase volts with pedal and at 3.36 went dead again. Let it up and tried again right away and no response from sol or volts. Waited 1 minute and tried . volts went to 21.46 and off it went. So right away barely gets started and down it goes and if I wait a minute or so It will run longer But always dies very soon.
On another note . I thought it ODD that FSIP sent this controller back with no security seal on it if they ran it on final test. expecially after I called them to find out why they had it 2 wks . They told me their test machine was down and techs were working on it. Then suddenly it shipped that day !!! Appears like they stuck it in a box and HOPED IT WOULD BE OK !!! NOT ! OH WELL !! Back it goes. I WILL be on their phone at 8am tomorrow FOR SURE !! Thanks again, I`m done BABBLING NOW !! Last edited by steele; 06-10-2018 at 03:47 PM.. Reason: add ons |
06-10-2018, 06:06 PM | #4 |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: 09 Precident throttle issues
Glad you got it. Give'um HECK!
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06-10-2018, 06:21 PM | #5 |
Gone Wild
Join Date: Apr 2017
Location: SE TN
Posts: 2,227
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Re: 09 Precident throttle issues
Sounds to me like you are losing the 0v necessary to pull in the solenoid. Check voltage across the two small connectors on the solenoid with throttle depressed. Should be 48v. Also make sure the diode across the two small connectors isn't in backwards
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06-11-2018, 08:29 AM | #6 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: 09 Precident throttle issues
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06-11-2018, 09:14 AM | #7 |
Getting Wild
Join Date: Jan 2011
Location: Dayton Ohio
Posts: 130
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Re: 09 Precident throttle issues
Thanks,Sergio
Car had original mcore 2, No adapters. micro was dead. replaced with direct replacement mcore 2 worked good for 45 min of riding. controller went down. bad shorted. sent it to FSIP for rebuild.They said arm and field ic`s were shorted and logic board was bad. it came back with this problem when installed. Going back today |
06-11-2018, 09:27 AM | #8 |
Getting Wild
Join Date: Jan 2011
Location: Dayton Ohio
Posts: 130
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Re: 09 Precident throttle issues
Thanks WalterM6.
Those wires haven`t been removed or tampered with since mcore went down after 1.5 years of riding by customer. Could a controller failure cause a failed diode and cause this symtom? |
06-11-2018, 12:49 PM | #9 | |
Gone Wild
Join Date: Apr 2017
Location: SE TN
Posts: 2,227
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Re: 09 Precident throttle issues
Quote:
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06-11-2018, 04:37 PM | #10 |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: 09 Precident throttle issues
Alltrax doesn't need it anymore because they built into the controller its own protection from the magnetic field collapsing when the solenoid opens.
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