7 safety devices, 8 procedures in the event of hazards and accidents, 1 system check – Martin Christ Alpha 1-2 LDplus User Manual
Page 27: 2 earth conductor check

Freeze-dryer Alpha 1-2 LDplus
3 Safety
Version 11/2006, Rev. 2.0 of 02/12/2014 • sb
27
Translation of the original operating manual
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3.7 Safety devices
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3.7.1 System check
An internal system check system monitors the data transfer and sensor
signals with regard to plausibility. Errors are detected by continuous self-
monitoring of the system. Error messages are displayed in the main
window under "Process & equipment messages" ((see chapter 6.5.3.3 -
"Process and equipment information")).
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3.7.2 Earth conductor check
For the earth conductor check, there is an equipotential bonding screw on
the rear panel of the freeze-dryer. An earth conductor check can be carried
out with the aid of a suitable measuring instrument.
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3.8
Procedures in the event of hazards and accidents
DANGER
Fire:
• A fire in the electrical control system must be extinguished with a CO
2
fire extinguisher!
• Burning oil must be extinguished with a CO
2
fire extinguisher or powder
fire extinguisher!
Hazardous electrical incident:
• Set the mains power switch of the control system to the "0" position in
order to interrupt the power supply completely.
Burns:
• Small-area burns (e.g. finger) should be cooled immediately with
lukewarm water for approximately 2 minutes.
• Large-area burns should not be cooled because of the resulting risk of
hypothermia.
• Cover the burns loosely and in a sterile manner (e.g. with a sterile
dressing).
• Cover the injured person with a blanket.
IF IN DOUBT, CALL THE EMERGENCY PHYSICIAN (AMBULANCE)!
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