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Engler ADS 2000 - FAQ: Error 4 Troubleshooting

Engler ADS 2000
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Q & A cont.
Q. How do I change my oxygen tank when it is low?
A. As with any anesthesia system, be sure to check your oxygen supply BEFORE
starting any procedure. To replace the tank, shut off the valve at the top of the oxygen
tank, then depressurize the GREEN, "Oxygen In" line running to the ADS 2000. The
pressure may be released in the line by slightly loosening the GREEN, hose for a few
seconds to bleed the line. Connect the regulator to a full tank.
Q. I have just successfully completed several procedures, but when I turn the ADS 2000
back ON and it goes through the SELF-TEST, the LCD display gives me Error 4 - LEAK
/ SAFETY LO, is this normal?
A. Yes, this error is usually caused by a build up of condensation in the exhale valve of
the ADS 2000. To remove this condensation simply perform the following procedure:
a. Turn the ADS 2000 OFF.
b. Place and hold your thumb over the end of the Gas Sampling Elbow that
is connected to the end of the breathing circuit.
c. Press the FILL / HOLD button and hold it down while turning
the ADS 2000 ON.
d. The unit is now in the FLUSH MODE and a full 60 LPM flow of
oxygen is passing through the ADS 2000.
e. To exit this mode, simply release the FILL / HOLD button and
the unit will go through the Self-Test.
Q. Can I use the ADS 2000 with my Induction Chamber?
A. Of course, if you put the ADS 2000 into the MASK MODE it will allow a continuous
flow of anesthetic gas to flow through the breathing circuit. All you have to do is
connect the Mask Adapter to the unit as described in the section USING THE MASK
MODE , but instead of connecting the output to a mask, connect it to your Induction
Chamber.
Q. Can I use my Vaporizer at the same settings that I am used to using on my
rebreathing system?
A. Since the ADS 2000 always delivers a consistent breath, using a measured amount
of anesthesia, you may find that you can actually turn your vaporizer settings to about
half of what you had been using with your rebreathing system.
ADS 2000 Engler Engineering Corporation 35