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Crowcon Gasman - Troubleshooting Guide; Instrument Operation Issues; Gas Reading and Calibration Issues

Crowcon Gasman
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Accessories and spare parts Gasman
34
XII. Troubleshooting guide
Symptom/ Cause Action
error message
Instrument won't switch on Flat battery Recharge or replace battery.
No confidence beep Function disabled Reconfigure with PC software.
Gas reading when no gas Zero drifted Restart instrument in clean
present air.
Unstable/inaccurategas Sensorfailure Donotuse;exithazardous
reading area immediately. Return
instrument for recalibration
or sensor replacement.
Autozero failed Zeroing in Switch off and restart in
contaminated clean air.
atmosphere
Cannot Autozero due to Zeroing in Switch off and restart in
alarm contaminated clean air.
atmosphere
Calibration expired The calibration Send for calibration.
due date has
passed
Display shows empty Battery depleted Charge or change as
battery symbol on appropriate.
switch on