Crowcon Gas-Tec Manuel De L'utilisateur page 24

Operation
6 . If the pump does not start, the 'Gas Supply Low' message will display on the LCD display . Check that
the valve of the cylinder has been opened . If not, open it . If it is open, the gas pressure is not adequate .
Switch the unit off at the ON/OFF switch and replace the cylinder .
7 . After the pump starts, hydrogen will begin to flow into the Gas-Tec . The LCD display will monitor
progress as the gas builds up inside the chamber . During this process a countdown timer will be visible .
When there is enough gas to begin operation, an audible 'beep' will sound .
8 . When prompted, press the igniter, (the red cylindrical button
under the Gas-Tec) . Press it in until it clicks . This should light
the hydrogen, and the beeping will stop . If the beeping con-
tinues . Wait for five seconds and then press the igniter again .
The space between each attempt is important and it is nor-
mal for the ignition to take up to three attempts .
9 . When the gas is lit, the flame icon will stop flashing and the
audible tone will end .
10 . The screen will ask if the Gas-Tec is 'In clean air?'
If the unit has just been turned on or it may not be in fresh air, free from hydrocarbons, press 'No' . The
unit will work adequately for most leak location applications, where a relative reading is needed, and
this is the fastest way to getting operational .
If the unit has warmed up for 10-15 minutes and you are confident that it is in fresh air free from hydro-
carbons press 'Yes' . This will give maximum accuracy and is the best approach for survey work . Note
that the unit does not store any adjustments introduced by this process after turning off .
11 . The pump will be heard continuously while the unit is in use .
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Gas-Tec