Troubleshooting; Fault/Cause/Remedy - Dräger HP Instructions For Use Manual

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Troubleshooting

5 Troubleshooting
5.1

Fault/Cause/Remedy

Fault
Compressed air connection leaking
Manual connection cannot be loosened
Safety valve is releasing air
Tube is not firmly seated in the tube holder
Tip of tube not cleanly scored and broken off
Large measuring error
Metering valve is leaking
Incorrect reading on the pressure regulator
(Aerotest Alpha)
1) Maintenance by Dräger is recommended
38
Cause
Sealing ring is defective
Connection is under pressure
Piston is leaking
Tube holder is worn out
Snapper is blunt
Tube inserted in wrong tube holder
Tube holder contaminated or loose
Seal is defective
Back pressure adjustment
Remedy
Check the sealing ring, replace if
necessary
Bleed connection
1)
Repair pressure regulator
Replace tube holder
Replace snapper
Check
Clean tube holder, replace if
necessary
Replace sealing ring
Set back pressure correctly