Top 20 Zeiss Humphrey 740 Visual Field Analyzer Questions & Answers

The two most common problems when trying to find a blind spot are: A.) Forgetting to patch the eye, and B.) Choosing the correct eye in the machine itself.

In the user manual they list some compatible printers that have a 25 pin parallel connector. We use Lexmark Optra E312L with good results. Once you hook it up, you have to go into one of the setup menus to port it over. The user guide tells the procedure.

You sjould press the patient button and the same time turn it the instrument on keep in button press until you see in tje display the calibration message of the touchscreen

Yes it affect all tje instrument calibration when it is turn on, and when you have patient test the result is afected because the patien has light for the bavk and he is not able to see all the diferents type of lights

Did you move the brighness control. It is on the right side of the equipment. If not, it could be the video board inside of the equipment

The trouble is with the CPU. It needs to be replaced

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.

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.

is the cooling fan turning?

erro 99

Call a repair tech from Zeiss.

This is a brand name, not a specific device and model. That said, here is a page describing mode switch in the setup screen using the touch screen for a specific device. I assume a touch screen would have an icon for turning a device off. Zeiss HUMPHREY 720i User Manual System Setup

The battery is soldered to the CPU. People from Zeiss Germany said that it needs to replace all the CPU. Now a days there is no longer spare parts for that instrument. I recommen you just change the day and time each time you turn it on

Unfortunatly you should contact Zeiss representative for load again the completecomplete Visucam programprogram.

This is very funny. I was just looking to find a similar solution for my laboval. Haven't measured it yet, but it keeps blowing the light bulbs. Do you run it at 110 or 220V?

Technical Manual and other suggestions. Professional machines really need professional service as the repair is very specialized, and the dangers of using incorrectly sterilized tools injurious to health.

T echnical Manual

Frank's Hospital Workshop http://www.frankshospitalworkshop.com > Esch... The SES Little Sister 3 is a portable electrically operated steam autoclave suitable for the sterilization of unwrapped metal instruments and utensils. 4. The ... 47 pages

Watch out for These 7 Common Autoclave Problems

Consolidated Sterilizer Systems https://consteril.com > common-autoclave-problems 1. The sterilizer won't reach the temperature set-point. · The steam generator is need of repair. · There is a clog in the chamber drain (i.e. check the chamber ... Missing: Sister ‎' Show results with: Sister

The LED light has failed and needs replacing. https://www.google.com/search?q=Premiere+Microscope+%28Model+MSB+series%29+light+replacement ..

you are right, there is no manual, except for the 5420. Try here, they do Sales and Service as well https://www.gmi-inc.com/product/eppendorf-5402-refrigerated-centrifuge/ and you can still buy them https://angelusmedical.com/products/eppendorf-5402-refrigerated-micro-centrifuge-parts-only Did you ask them direct for support? Did you open it up and check Ribbon Cable connections?

Centrifuge and Rotor Service

Eppendorf https://www.eppendorf.com > ca-en > service-support epServices offers rotor assurance plans. Read more about the professional inspection services and evaluation of centrifuge rotors and buckets.

Service & Support

Eppendorf https://www.eppendorf.com > ca-en > service-support The services range from technical support and troubleshooting to delivery of replacement parts on short notice and customer-specific maintenance programs. ULT ...

Service & Support

Eppendorf https://www.eppendorf.com > your-centrifuge-solutions We provide efficient, reliable services for your centrifuge. Our ... Includes a full annual preventive maintenance service program for assured instrument ...

The Autoclave door is not opening at the end of the cycle.

Midmark M11 "Old Style" Error Code E009

Sterilizer Autoclave Solutions https://statimusa.com > midmark-m11-old-style-error-... Error E009: Door doesn't fully open at the end of a cycle. This error indicates that there is pressure buildup during the dry cycle. Probable causes of Midmark ...

Error Code E009 :

AllClaveParts https://www.allclaveparts.com > error-code-e009 You will need to know whether or not the Door is Opening Automatically at the End of the Cycle when you get the Error Code E009 before proceeding.

• E009 - Door Does Not Open At End Of Cycle :

  https://www.allclaveparts.com > error-code-e009 > e0... Midmark M9 & M11 Error Code E009 Door Does Not Open At End Of Cycle · Remove any debris or buildup from Latch Lever & Pulse Solenoid Mechanism · Remove burrs; ...