07-02-2018, 03:33 PM | #11 | |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: No Click No Go
Quote:
The best rule of thumb is to only use continuity test when you are trying to verify things that should have virtually 0Ω resistance. Small 48v relay coils will have around 2,500Ω resistance and Solenoid coils over 100Ω. |
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07-02-2018, 04:20 PM | #12 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,419
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Re: No Click No Go
What going on? The coil is burnt out? I see maybe 1 coil failure in the MZJ400A in 500 units, This cart has 2 in 30 days. What do you guys think is causing this? Constant power to the coil? It's constant duty cycle is 10 hours.
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07-02-2018, 05:14 PM | #13 |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: No Click No Go
When he tested the coil posts he got 0v stagnate. Then when he pressed the pedal he got 51v's, so I would not think it is a constant power issue. But that is strange none the less as its your basic 48v power, not a 60v or high powered lithium that might push the boundaries on voltage.... Must just be a bad solenoid.
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07-02-2018, 05:24 PM | #14 | |
Cave Dweller
Join Date: Apr 2013
Location: Always On The Move
Posts: 22,239
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Re: No Click No Go
Quote:
The 2nd one did not show problems of failure until now when it suddenly quit working between going from reverse to forward . |
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07-02-2018, 05:26 PM | #15 | |
Cave Dweller
Join Date: Apr 2013
Location: Always On The Move
Posts: 22,239
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Re: No Click No Go
Quote:
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07-02-2018, 05:27 PM | #16 |
Cave Dweller
Join Date: Apr 2013
Location: Always On The Move
Posts: 22,239
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Re: No Click No Go
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07-02-2018, 05:32 PM | #17 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: No Click No Go
Swan, You had both meter probes on the Solenoid small posts at the same time when you measured the voltage right?
Is the Solenoid mounted upside down by any chance? Any discoloration around any of the terminals or labels on the Solenoid that would indicate excessive heat? That is all I can think of right now that could be related.... Edit: Just saw your post, set the meter to 2kΩ for testing the coil Last edited by Sergio; 07-02-2018 at 05:34 PM.. Reason: Meter note |
07-02-2018, 05:57 PM | #18 | |
Cave Dweller
Join Date: Apr 2013
Location: Always On The Move
Posts: 22,239
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Re: No Click No Go
Quote:
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07-03-2018, 11:04 AM | #19 |
Cave Dweller
Join Date: Apr 2013
Location: Always On The Move
Posts: 22,239
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Re: No Click No Go
Did the ohms test today on the two small posts with everything removed from post and batteries disconnected and the reading was 312 on the meter using the 2000/2K setting.
Here a couple of pics as it sits today , dont see any overheating ... |
07-03-2018, 11:28 AM | #20 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: No Click No Go
The Solenoid coil tests good.
The base plate on the big post that goes to the battery (2nd pic) looks like had contact with the small coil post wire lug. Try jumping the solenoid positive and negative small posts directly to pack positive and negative (this will eliminate any bad/high resistance wiring in your circuit). If the solenoid does not "click" you can try gently tapping with a wood or rubber maltet on top of the solenoid in case the plunger is stuck. By the way, the manufacturer recommended mounting position for that Solenoid is with the coil on a 'Horizontal' orientation (big posts to either side). I know lots of people mount them like you have, but all spec sheets I have seen show otherwise. |
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