Stephan EVETR, Instructions For Use Manual, Page: 197 / 254

®
10 Troubleshooting

Fritz Stephan GmbH GA-070T-0518V2.7-HAO-EN 197
Flow measurement
failure!
HW  Flow measurement
outside range  Contact
F
RITZ
S
TEPHAN
G
MB
H
customer service
Device temp. high HW  Device temperature
high  Remove the device from
direct sunlight or other
heat source, if necessary

Check the fan operation

Check the coarse filter at
the filter inlet
 Check the device
 If the error occurs
despite a low ambient
temperature, contact
F
RITZ
S
TEPHAN
G
MB
H
customer service
Change HEPA filter HW

Service interval for
the HEPA filter
exceeded
 HEPA filter exhibits
increased resistance

Change the filter
Pressure limit!
HW  The inspiration
pressure needed to
reach the preset tidal
volume is higher
than the PAW alarm
limit setting  Check the patient's
condition!
 Correct the PAW alarm
limit, if necessary
 Correct the target volume
setting, if necessary
Paw limited by
Pawlim
HW  Paw alarm limit
limited by Pawlim  Check Paw alarm
settings
Paw limited by Pinsp
HW  Paw alarm limit
limited by Pinsp  Check Paw alarm
settings
Paw limited by
Δ Psupp HW  Paw limited by
Δ Psupp  Check Paw alarm
settings
 Check Δ Psupp setting
Paw limited by PEEP HW  Paw limited by
PEEP  Check Paw alarm
settings
 Check PEEP setting
PEEP limited by
PEEPlim HW  PEEP limited by
upper pressure alarm
limit  Check PEEP setting