Troubleshooting - Dräger Secor 7000 Notice D'utilisation

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Troubleshooting

5 Troubleshooting
Error
Test pressure rises (up to zero)
Opening pressure too high
Pressure reducer leaks
Lung demand valve leaks
High inhalation resistance
High exhalation resistance
1) Only by Dräger personnel or qualified specialists.
38
Cause
Exhalation valve faulty
Lever bent, lever height wrongly set
Exhalation valve disc sticking or
material stiff
O-ring faulty
Diaphragm damaged
Diaphragm damaged
Diaphragm and/or support ring
fitted incorrectly
Lever of lung demand valve bent
Exhalation valve disc sticking
Remedy
Replace exhalation valve
Check lever and set lever function
Replace exhalation valve disc
Replace O-ring
Replace diaphragm
Replace diaphragm
Check correct fitting
1)
Repair lung demand valve
Replace exhalation valve disc