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Fault, Cause, Remedy
Fault Cause Remedy
Instrument switches off automatically. batteries discharged. replace batteries, page 38.
Instrument has been left ready for measure-
ment for more than 4 minutes.
Instrument leaves menu-mode automatically
and shows measuring mode.
Instrument has an automatically switch off of
the menu after 120 sec. without use.
Reselect menu item.
Instrument cannot switched on. batteries discharged. Replace batteries.
Insuffient volume, Blowing interruption. Testperson not blowing hard or evenly
enough.
Ask to blo harder and more evenly.
Fault in display Cause Remedy
"Calibriation error" Calibration not successful. Calibrate again, by trained service personnel,
e. g. by DrägerService.
"Accuracy check error"Accuracy check not successful.Repeat accuracy check, if fault reappears,
call DrägerService.
BAC measured exceeds measuring limits. Use lower concentrations.
"Internal System ERROR"
with service code
Instrument error, no measuring function pos-
sible.
Remove batteries (2 sec.) and insert them
again, if the fault reappears call Dräger-
Service.
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