Weinmann VENTIlogic LS Instructions For Use Manual page 87

Display
Pressure
permanently low
V permanently low
T
EPAP
high
Continuous pressure
Control voltage
failure
Device start error
Alarm
High priority
High priority
High priority
High priority
High priority
High priority
High priority
Device switches off.
Cause of fault
The valve control tube
between the device and
the patient valve is
incorrectly connected
Device defective
Implausible ventilation
settings
Permanent large leak
Filter dirty
Permanent large leak
Device defective
The pressure drop on
exhalation is inadequate
(possible cause: pressure
drop at patient valve too
slow)
Device defective
RS485 incorrectly
connected
Internal fault
Parameters could not be
loaded
Blower does not switch
back on after power
failure
Remedy
Check valve control tube for
damage, replace patient
circuit if necessary
Connect valve control tube
Have device repaired
Have settings checked by the
doctor supervising treatment
Check patient circuit and
patient/ventilator interfaces
and change if necessary
Clean/change filter
Check patient circuit and
patient/ventilator interfaces
and change if necessary
Have device repaired
Ensure that the exhaled air
can escape freely at the
patient valve
Check tube system
Disconnect device from power
supply and switch off. Check
connections for tubes. Restore
power connection and
perform function check. If the
fault continues to occur, have
device repaired
Only use converter cable USB-
RS485 WM 93318 or
converter box WM 93316
Have device repaired
Have device repaired
EN
Troubleshooting
87