Dräger Aerotest HP - Troubleshooting

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Troubleshooting
Fault Cause Remedy
Leaky compressed gas connection Sealing ring defective Check sealing ring, and replace if
necessary
Manual connection cannot be loosened Connection is subject to pressure Bleed connection
Safety valve is releasing air Piston is leaky Repair pressure reducer
1)
1) We recommend getting Dräger Safety to perform maintenance
Dräger tube is not firm in test holder Dräger tube container is worn out Replace Dräger tube holder
Tip of Dräger tube is not cleanly scored and
broken off
Break-off unit is blunt Replace break-off unit
Large measuring error Dräger tube inserted in wrong Dräger tube
holder
Check
Dräger tube holder is dirty or loose Clean Dräger tube holder, and replace if
necessary
Dosing unit leaky Seal defective Replace sealing ring
Incorrect display value on pressure reducer
(Aerotest Alpha)
Secondary pressure displaced Configure secondary pressure correctly