Stephan EVETR, Instructions For Use Manual, Page: 206 / 254

10 Troubleshooting
206 GA-070T-0518V2.7-HAO-EN

Fritz Stephan GmbH
Blower failure 3 HP
TA  Internal pressure
sensor malfunction  Contact
F
RITZ
S
TEPHAN
G
MB
H
customer service
Blower failure 5 HP
TA  CAN bus
communication fault  Contact
F
RITZ
S
TEPHAN
G
MB
H
customer service
Blower failure 6 HP
TA

Malfunction of the
internal voltage
supply

Contact
F
RITZ
S
TEPHAN
G
MB
H
customer service
Disconnection
HP
PA  If the "PAW low"
limit is not breached
during the entire
breathing cycle, an
alarm is issued after
a 20 s delay
 Tube system leakage
or disconnection
 Check the pressure alarm
limits
 Check the patient tube
system for disconnected
parts
 Check that the manual
settings are correct and
plausible, adjust if
necessary
EEPROM failure HP
TA  EEPROM
malfunction  Contact
F
RITZ
S
TEPHAN
G
MB
H
customer service
Measurement system
error HP
TA  Internal measuring
error  Contact
F
RITZ
S
TEPHAN
G
MB
H
customer service
MVe high
HP
PA  Expiratory breathing
volume above the
upper alarm limit
setting
 Flow sensor
malfunction
 Check the patient's
condition

Check minute volume
alarm limits

Check that the manual
settings are correct,
adjust if necessary

Check the flow sensor
MVe low
HP
PA  Expiratory breathing
volume below the
lower alarm limit
setting
 Leak
 Flow sensor
malfunction
 Check the patient's
condition
 Check minute volume
alarm limits
 Check patient tube
system and connections
for leakage
 Check that the manual
settings are correct,
adjust if necessary