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    Default reset button not working

    need some help ,i cannot start the mill vf2 1992 I used to have to press the reset to home the machine ,but now its like the keyboard is dead no response , i dont know if it is the keyboard or something else,any help would appreciated .

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    Cracks in the membrane surface? Coolant in behind the membrane can turn into adhesive and stop button function.

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    You can home the machine without resetting the machine. Just power up restart as normal, alarms will be canceled when done.

    Mike

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    Quote Originally Posted by PAMA View Post
    need some help ,i cannot start the mill vf2 1992 I used to have to press the reset to home the machine ,but now its like the keyboard is dead no response , i dont know if it is the keyboard or something else,any help would appreciated .
    So normally you'll startup the machine and have a "102 SERVOS OFF" message. Reset clears the message and the servos come on.

    Do you get the audible beep when you hit the reset button?

    What about using the power up/restart button? That should also clear the 102 alarm as the previous poster mentioned.

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    what is your nitrogen pressure at ?

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    Quote Originally Posted by hoss710 View Post
    what is your nitrogen pressure at ?
    1992 vf2...

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    gotcha I didn't see that part ! then its either a bad diode in the matrix. or the keypad is shorted or broken. a very common issue of a machine of that vintage.

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    Quote Originally Posted by Hoss710 View Post
    gotcha I didn't see that part ! then its either a bad diode in the matrix. or the keypad is shorted or broken. a very common issue of a machine of that vintage.
    That was why I asked about the beep.

    My 1993 occasionally goes on strike with what I call the "running alarm". It will finish a tool, Z up, than nothing. Everything halts with the spindle still turning, and the control is totally dead. Even the E-stop does nothing. The only recovery is a power cycle of the control, then everything is fine again.

    @OP- when this happens, does the E-stop work?

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    No beep nothing ,I tried the auto power up nothing also ,its like the keyboard is dead, when i start it gives the 102 alarm servos ,i press reset nothing at all.it worked fine the last time I used it ,many months ago,i Rarely use the machine ,it is for personal use only ,I restore my collection of Brit bikes,and mercury outboards,started cnc on a G,E 1050 mc with a big reel to reel tape reader,the computer cabinets were about 20 ft long,on the second floor.Thanks for any info really appreciated.

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    Nothing There is a auto power up but no restart its a 1992 vf2.

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    You might check the 770 cable to the I/O board (E-Stop). E-Stop button is normally closed.
    102 can also be from motor faults, tool change problem or power fail. Try disconnecting the servos and restarting.
    Rarely used, check the switch states on the diagnostic page. You might have one sticking. I have to re-home the X axis after the home all axis to get the correct value.
    Are your door switches still active?

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    sounds like a bad keyboard to me.

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    Post No Rest solved on my HAAS TM1

    Quote Originally Posted by PAMA View Post
    need some help ,i cannot start the mill vf2 1992 I used to have to press the reset to home the machine ,but now its like the keyboard is dead no response , i dont know if it is the keyboard or something else,any help would appreciated .



    I found this plug that had popped open on my 2007 HAAS TM1.(The long, light blue connector in the pictures. This is the ribbon cable to the keyboard.)I had an intermittent problem where the RESET button would not work. This seemed to happen in the morning, when the machine was in cooler conditions. Usually 50 degrees F. This would leave me with an inoperative machine. After checking all alarms, fuses, circuit breakers and all of the accessible connections in the main cabinet, I decided to open the control. I snapped the connector back together and everything is working GREAT. I hope this can help someone else.  

    tm1-key-board-2.jpgtm1-key-board-1.jpg


    Attached Thumbnails Attached Thumbnails tm1-key-board-2.jpg   tm1-key-board-1.jpg  

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    Thanks for the info I will be sure to check after I install new key pad ,i broke the crt monitor removing the keypad ,I am waiting for replacement lcd from china thanks again. Had the same problem only when cold .

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    Default how do i disconnect the servos ,don;t worry i know the voltage!!

    Quote Originally Posted by magno_grail View Post
    You might check the 770 cable to the I/O board (E-Stop). E-Stop button is normally closed.
    102 can also be from motor faults, tool change problem or power fail. Try disconnecting the servos and restarting.
    Rarely used, check the switch states on the diagnostic page. You might have one sticking. I have to re-home the X axis after the home all axis to get the correct value.
    Are your door switches still active?
    how do i disconnect the servos ,don;t worry i know the voltage!! the reset key is like dead ,changed keypad and cable

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    no beep no power up restart ether ,it's like the reset key is dead ,and i just changed the keyboard

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    On holiday at the moment so no access to my machine or notes. You can turn off (disable) the axis servos through the parameters. Check the LEDs on the motherboard go through the correct sequence.

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    Hi folks. Boy, this sounds a bit funky. sorry to hear the troubles. So you swapped the membrane keypad. and the red reset membrane button does nothing when pressed... correct?

    I recently was into mine for a period of time last Spring and had to dig in and diagnose a bit. Maybe it'll help ? Maybe not. What I can tell you on my 98, is the SKBIF or on yours the KBIF is where the decode happens. IT then simply talks Serial RS232 (+/-12Vdc 0's and 1's) vs- TTL 232 (of 0 /5 V) over the ribbon cable. (on my 98 anyway)

    (https://www.haascnc.com/content/dam/...ual---1993.pdf ) The KBIF is referenced here. but it's limited.

    The membrane connects on the SKBIF board via the flex connector. (again, yours may be a bit different KBIF board, but might be the same concept). On my 98 this runs through a series of small resister packs and then to some tri-state IC buffers. The matrix is mapped into 2 8 bit pairs from the keyboard (there are some unused) I think... boy it gets cloudy fast.

    If your reset is bad, Are there any other keys that do not seem to work? There should be others in a matrix style setup. This is all common keyboard 101 stuff so no big to-do
    here in a technical sense.
    The output of those buffers went to a special 4 sided quad IC which is basically an 8051 CPU with some neat I/O and added goodies. Yours may not have the smaller jlead type? but it'll have something as a KBIF IC brain. (Im out of state too and don't have my stuff here either...)
    So, you press a key... it's sent thru a IC buffer chip into the KBIF CPU (with haas flash firmware)/ The keypress is translated into a hex code set which is then sent out the KBIF CPU's handy dandy internal rs232 TLL serial pin. You press A, you get a hex A sent TTL rs232. you press a command or control key, (like RESET) you get 2 pairs of hex codes. I never mapped it all out.. My issue was the membrane. In principle you see where I'm heading here.... MAtrix, to buffer, to CPU, to TTL 232, to real RS232 long line driver IC. It's then sent over the ribbon to the rear board set for input processing. I dont remember if it goes into the CPU or the Video?

    Your issue is in the KBIf board. Not sure you can even get one for a 92, hence a bit more info here to allow your local tech person to possibly repair it. It's from the matrix input connector, to the pullup or down resister portion, which is connected to the tri-state buffer IC. Could be the quad pack CPU chip (if yous has that) and one of the i/o inputs. If it's the brains IC.. your out of luck and need a new KBIF. if it's in the buffers or resistor stuff... it could be repaired.

    The next step would be to try a KBIF board swap IMO. ...and I could be wrong as I've never seen a 92 beyond the manual I linked here. :-)

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    Default Thanks for all the info.I hope you stick with me .

    Quote Originally Posted by countryguy View Post
    Hi folks. Boy, this sounds a bit funky. sorry to hear the troubles. So you swapped the membrane keypad. and the red reset membrane button does nothing when pressed... correct?

    I recently was into mine for a period of time last Spring and had to dig in and diagnose a bit. Maybe it'll help ? Maybe not. What I can tell you on my 98, is the SKBIF or on yours the KBIF is where the decode happens. IT then simply talks Serial RS232 (+/-12Vdc 0's and 1's) vs- TTL 232 (of 0 /5 V) over the ribbon cable. (on my 98 anyway)

    (https://www.haascnc.com/content/dam/...ual---1993.pdf ) The KBIF is referenced here. but it's limited.

    The membrane connects on the SKBIF board via the flex connector. (again, yours may be a bit different KBIF board, but might be the same concept). On my 98 this runs through a series of small resister packs and then to some tri-state IC buffers. The matrix is mapped into 2 8 bit pairs from the keyboard (there are some unused) I think... boy it gets cloudy fast.

    If your reset is bad, Are there any other keys that do not seem to work? There should be others in a matrix style setup. This is all common keyboard 101 stuff so no big to-do
    here in a technical sense.
    The output of those buffers went to a special 4 sided quad IC which is basically an 8051 CPU with some neat I/O and added goodies. Yours may not have the smaller jlead type? but it'll have something as a KBIF IC brain. (Im out of state too and don't have my stuff here either...)
    So, you press a key... it's sent thru a IC buffer chip into the KBIF CPU (with haas flash firmware)/ The keypress is translated into a hex code set which is then sent out the KBIF CPU's handy dandy internal rs232 TLL serial pin. You press A, you get a hex A sent TTL rs232. you press a command or control key, (like RESET) you get 2 pairs of hex codes. I never mapped it all out.. My issue was the membrane. In principle you see where I'm heading here.... MAtrix, to buffer, to CPU, to TTL 232, to real RS232 long line driver IC. It's then sent over the ribbon to the rear board set for input processing. I dont remember if it goes into the CPU or the Video?

    Your issue is in the KBIf board. Not sure you can even get one for a 92, hence a bit more info here to allow your local tech person to possibly repair it. It's from the matrix input connector, to the pullup or down resister portion, which is connected to the tri-state buffer IC. Could be the quad pack CPU chip (if yous has that) and one of the i/o inputs. If it's the brains IC.. your out of luck and need a new KBIF. if it's in the buffers or resistor stuff... it could be repaired.

    The next step would be to try a KBIF board swap IMO. ...and I could be wrong as I've never seen a 92 beyond the manual I linked here. :-)
    Thanks for the reply ,really appreciate any help.I found out that Rats got into the square tube that leads to the control ,chewed through the cables,I replaced the big cable .And still have to fix the door limit switches, also chewed thru,I will let you know the outcome soon,thanks Much appreciated.

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    Default Thanks for all the info.I hope you stick with me .

    Quote Originally Posted by countryguy View Post
    Hi folks. Boy, this sounds a bit funky. sorry to hear the troubles. So you swapped the membrane keypad. and the red reset membrane button does nothing when pressed... correct?

    I recently was into mine for a period of time last Spring and had to dig in and diagnose a bit. Maybe it'll help ? Maybe not. What I can tell you on my 98, is the SKBIF or on yours the KBIF is where the decode happens. IT then simply talks Serial RS232 (+/-12Vdc 0's and 1's) vs- TTL 232 (of 0 /5 V) over the ribbon cable. (on my 98 anyway)

    (https://www.haascnc.com/content/dam/...ual---1993.pdf ) The KBIF is referenced here. but it's limited.

    The membrane connects on the SKBIF board via the flex connector. (again, yours may be a bit different KBIF board, but might be the same concept). On my 98 this runs through a series of small resister packs and then to some tri-state IC buffers. The matrix is mapped into 2 8 bit pairs from the keyboard (there are some unused) I think... boy it gets cloudy fast.

    If your reset is bad, Are there any other keys that do not seem to work? There should be others in a matrix style setup. This is all common keyboard 101 stuff so no big to-do
    here in a technical sense.
    The output of those buffers went to a special 4 sided quad IC which is basically an 8051 CPU with some neat I/O and added goodies. Yours may not have the smaller jlead type? but it'll have something as a KBIF IC brain. (Im out of state too and don't have my stuff here either...)
    So, you press a key... it's sent thru a IC buffer chip into the KBIF CPU (with haas flash firmware)/ The keypress is translated into a hex code set which is then sent out the KBIF CPU's handy dandy internal rs232 TLL serial pin. You press A, you get a hex A sent TTL rs232. you press a command or control key, (like RESET) you get 2 pairs of hex codes. I never mapped it all out.. My issue was the membrane. In principle you see where I'm heading here.... MAtrix, to buffer, to CPU, to TTL 232, to real RS232 long line driver IC. It's then sent over the ribbon to the rear board set for input processing. I dont remember if it goes into the CPU or the Video?

    Your issue is in the KBIf board. Not sure you can even get one for a 92, hence a bit more info here to allow your local tech person to possibly repair it. It's from the matrix input connector, to the pullup or down resister portion, which is connected to the tri-state buffer IC. Could be the quad pack CPU chip (if yous has that) and one of the i/o inputs. If it's the brains IC.. your out of luck and need a new KBIF. if it's in the buffers or resistor stuff... it could be repaired.

    The next step would be to try a KBIF board swap IMO. ...and I could be wrong as I've never seen a 92 beyond the manual I linked here. :-)
    Thanks for the reply ,really appreciate any help.I found out that Rats got into the square tube that leads to the control ,chewed through the cables,I replaced the big cable .And still have to fix the door limit switches, also chewed thru,I will let you know the outcome soon,thanks Much appreciated.


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