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Germfree LFGI-4USP - Alarm System and Troubleshooting

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Gloves
We recommend a glove with a longer cuff length for use with the LFGI. The sleeve and
“bracelet” system will accommodate almost any commercially available glove but some
suggestions (this does not constitute product endorsement by GERMFREE) are as follows:
SafeSkin by Kimberly-Clark offers Powder-Free Purple Nitrile Exam gloves in a 12 inch
cuff.
Chemo Plus, Chemo Bloc T, Chemo Bloc, Chemo Plus Neoprene, Chemo Bloc Nitrile and
Chemo Bloc Nitrile Plus by Kendall offer a 12 inch cuff.
Microflex offers many cleanroom grade gloves at a 12 inch cuff length, some sterile some
non.
Alarm
When the low pressure alarm sounds, corrective action must be performed or the unit will
require shut down to stop the alarm. Alarms are tested at the factory before shipping.
Dramatic drops in pressure indicating possible containment failure are alarmed. Alarms will
sound when operating work area pressures are between 0.05 and +0.05 inches water
column (w.c.). Normal work area pressures are 0.1 (+0.025) inches w.c. in either positive or
negative overall pressures.
Troubleshooting for Alarm Sounding
Cause
Corrective Action
Glove Rip/Tear/Removal
Replace Glove
Sleeve Rip/Tear/Removal
Replace Sleeve
Inner Airlock Door open
Close Inner Airlock Door
View Panel not Sealed
Ensure latches are fastened on view panel
Pressure Hose Disconnected
Reconnect small tube between control panel
and work area
After corrective action is taken, allow 30 seconds for alarm to reset. Observe the digital
read-out to ensure that the magnitude of the number is increasing. If number does not
increase and alarm continues to sound call your certifier or GERMFREE at 800-888-5357
for further troubleshooting.
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