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I have a hunter J111 alignment machine. When I go to set castor and you get to the screen that shows all four wheels are lit up green and even numbers then when you are supposed to turn left as soon as you do then the left front sensor starts blinking the red fault arrow and will not change, If you turn the wheels back to the front you get the all green lights and numbers back. If you stick your hand in the IR beam it takes the numbers from 150 down to 30 then remove your hand the numbers and gr


Answers :

I have extensive knowlege on this machine. If you are still having the problem, there are very few things that could be causing it, assuming that it is a conventional problem.
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\015\012This is NOT a software program. For all of you out there, the Hunter J111 in not windows based. There is no software to reload, besides the factory disk that either works, or it doesn't.
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\015\012This is most definately a Sensor Head problem. As a rule of thumb, it it affects all the heads, it involves the computer, and if it affects only one head, then it is a head problem.
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\015\012You are simply missing the "Left Turn Sensor" on the toe board. This can be caused by several different problems, including parts and as simple as connections.
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\015\012First suspect would be the "Toe Board", but you indicated that you have moved it.
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\015\012Next would be the IR (infared) emitter on the left REAR head. If the emitter has become weak, or blocked, you will have trouble during caster steer. You mentioned that it does not have any trouble during camber; That would be normal. The caster steer function uses a different portions of the toe board sensor to read "Center, left turn, and right turn", so during the "Center", or steer straight ahead position, you would normally experience no problems, even if the left turn function is.
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\015\012If we can prove that the emitter is doing a fine job, (and we can; a complicated procedure) then we are looking at refreshing, or excercising the electrical connections. I make a great deal of money every year by disconnecting, and reconnecting wires, and solving many problems just like yours. ***IMPORTANT** MAKE NO CONNECTION CHANGES WITH POWER APPLIED TO THE SENSOR HEAD. UNPLUG THE HEADS, AND IF UNSURE, UNPLUG THE COMPUTER!!!
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\015\012Next, check all the connections at the main board, (Transducer Control Board), and the seating of the EEPROM chips. The chips will walk themselves out of their sockets with temperature changes, through expansion and contraction. Push them back into place, and you may hear a slight "crackling" sound. ***IMPORTANT** MAKE NO CONNECTION CHANGES OR RESEAT CHIPS WITH POWER APPLIED TO THE SENSOR HEAD. UNPLUG THE HEADS, AND IF UNSURE, UNPLUG THE COMPUTER!!!
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\015\012I am almost certain that you are in need of NO parts. These problems are most commonly caused by connections, either at the cables or the chips. Next highest suspect cause would be the left rear emitter.
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\015\012GOTO www.Equipmentcity.net to find me. Call anytime for on demand Hunter alignment machine advise, and discount parts.
Pressure is not getting same on the both side when the wheels turning back .that pressure has to be checked.
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I have a hunter J111 alignment machine. When I go to set castor and you get to the screen that shows all four wheels are lit up green and even numbers then when you are supposed to turn left as soon as you do then the left front sensor starts blinking the red fault arrow and will not change, If you turn the wheels back to the front you get the all green lights and numbers back. If you stick your hand in the IR beam it takes the numbers from 150 down to 30 then remove your hand the numbers and gr


I have extensive knowlege on this machine. If you are still having the problem, there are very few things that could be causing it, assuming that it is a conventional problem.\015\012\015\012This is NOT a software program. For all of you ... PC Desktops

Posted by iupholster on Mar 03, 2009 I have a hunter J111 alignment machine. When I go to set castor and you get to the screen that shows all four wheels are lit up green and even numbers then when you are supposed to turn left as soon as you do then the left front sensor starts blinking the red fault arrow and will not change, If you turn the wheels back to the front you get the all green lights and numbers back. If you stick your hand in the IR beam it takes the numbers from 150 down to 30


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