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