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Curtis B.
Curtis B., Technician
Category: Industrial Equipment
Satisfied Customers: 28698
Experience:  Technican turned service manager on multiple lines of equipment used in industry.
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We have a man lift with an electrical problem. Can you help?

Customer Question

We have a man lift with an electrical problem. Can you help?
Submitted: 1 year ago.
Category: Industrial Equipment
Expert:  Curtis B. replied 1 year ago.

Make? Model? Problem?

Customer: replied 1 year ago.
JL, t500j, we can not get the outriggers to raise due to some type of electrical problem.
Customer: replied 1 year ago.
JLG*
Expert:  Curtis B. replied 1 year ago.

Is the boom all the way down in the stowed position? That should release the outriggers.

Customer: replied 1 year ago.
it is, but they will still not raise.
Customer: replied 1 year ago.
We have an electrician here looking at it that can answer any technical questions that you have
Expert:  Curtis B. replied 1 year ago.

No error codes?

Expert:  Curtis B. replied 1 year ago.

boom fully retracted and stowed?

Customer: replied 1 year ago.
How do we check for error codes?
Expert:  Curtis B. replied 1 year ago.

WHere is the operators manual? It covers the code procedure.

Customer: replied 1 year ago.
The triangular abnormal operating condition light comes on when the controls are engaged and then goes back out.
Customer: replied 1 year ago.
We have the machine parked on a level concrete surface
Expert:  Curtis B. replied 1 year ago.

Has the level sensor been checked, it may be causing the fault.

Customer: replied 1 year ago.
Where is the level sensor located, and how should I tell the electrician to check it?
Expert:  Curtis B. replied 1 year ago.

it is in the lower control box. And another thing to check is each outrigger has a switch, if any one switch is stuck, all outrigger function stops.

Customer: replied 1 year ago.
The 4 indicater lights all come on for the outriggers, is that conclusive?
Expert:  Curtis B. replied 1 year ago.

If all four lights are on, switches should be ok. Will boom operate, just will not release outriggers? Battery voltage ok, Or is this gas unit?

Customer: replied 1 year ago.
It is an electric unit. The only thing that wont operate is the outriggers. They will go down but not up.
Customer: replied 1 year ago.
Battery voltage is good. Yes.
Expert:  Curtis B. replied 1 year ago.

Does the pump/motor run when outrigger up is selected? Is the switch good?

Expert:  Curtis B. replied 1 year ago.

JLG has on line service manual for the unit. With electrical schematics.

Customer: replied 1 year ago.
It does nothing at all. The switch is good.
Expert:  Curtis B. replied 1 year ago.

So it is not turning on the pump motor. Get electrician to jump the pump motor and ses if the outriggers will raise with control.

Customer: replied 1 year ago.
Ok, thank you.
Expert:  Curtis B. replied 1 year ago.

I assume you want to move the unit .then you can take to shop for repair.

Customer: replied 1 year ago.
No we are fixing it here. That's why we have an electrician here.
Expert:  Curtis B. replied 1 year ago.

oK. Do you have access to the manual?

Customer: replied 1 year ago.
We had the electrical pages faxed to him earlier today.
Customer: replied 1 year ago.
Is there a way to log back in tomorow without paying again?
Expert:  Curtis B. replied 1 year ago.

There should be a link in your email to get back to here.