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Zeiss Humphrey HfA II-I system startup 51 error message

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Why does my zeiss humphrey visual field machine keep shutting down?


Sounds like a heat, thermal issue. You may have a non- functioning cooling fan somewhere inside. There are several of them so don't be fooled if you hear one of them running. Same issue happens with CPUs on PC computers. Will suddenly shut off if too hot.

May 24, 2014 | Zeiss Humphrey 740 Visual Field Analyzer

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Zeiss humphrey system startup state 19


I believe "state 19" is a weak main illumination bulb. Not sure if it's the same on your 740, but that's what the problem was with our 750i. Even though the bulb appears to be working, they dim over time and won't pass the start up calibration checks. On ours, there is a round access panel on top of the unit to service this bulb. Just be careful removing the bulb and don't bump any of the clear optical wheels. Part # 2660021106082 (for 750i. not sure about 740) Call Zeiss to confirm. Realize this is an old post so info is for future readers.

Mar 27, 2014 | Zeiss Humphrey 740 Visual Field Analyzer

1 Answer

Battery low in Zeiss Humphrey Acuitus 5015 Autorefractor Keratometer, what can i do?


The batery is a integrated circuit that is soldered to the Mother Board. You should disolder that circuit in order to replace it

Mar 21, 2014 | Zeiss Humphrey Acuitus 5015 Autorefractor...

2 Answers

Zeiss atlas topographer database error


Or if it is possible make a defragmentation, you can find that tool inside of My Comp icon if you press the second mouse button

Oct 08, 2013 | Zeiss Humphrey Atlas Eclipse 992 Corneal...

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Autorefractor Humphrey Zeiss Acuitus 5015 not sharpen the image


The problem is in the mainboard, look for j conectors, and try to see if any is released.They control the step motor who can make the camera focus

Aug 26, 2013 | Zeiss Humphrey Acuitus 5015 Autorefractor...

1 Answer

Repaing the corneal topography machine atlas, humphrey zeiss


I have the same problem, the hard drive crashed. Need original install disks. Anyone have?

Mar 29, 2013 | Zeiss Humphrey Atlas Eclipse 992 Corneal...

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