218 EN MEDUMAT Standard
2
WM 68071 05/2021
10 Alarms and error messages
10.2.3 Low-priority alarm (turquoise)
Vt not achievable
The administered tidal volume
deviates from the set tidal volume
in PRVC + ASB mode.
Adjust pMax or Vt.
Compressed gas supply
inadequate
Adjust compressed gas supply.
Sintered filter blocked Have the device repaired.
Alarm Cause Remedy
Alarm Cause Remedy
Battery operation
Line power too weak or power
failure
The alarm appears:
• If you remove the portable
unit from the wall mounting.
• If you operate the device using
the power supply unit and
a power failure occurs.
In both cases, the alarm stops
after 10 s.
CO
2
module defective
(only with Capnography option)
No communication with the CO
2
module or error message from the
CO
2
module
Continue ventilation without CO
2
measurement. Have the device
repaired.
CO
2
module defective
CO
2
temperature
(only with Capnography option)
Temperature in the device below
0 °C
• If necessary: Continue
ventilation without CO
2
measurement.
• Move device to a warmer
environment.
Device temperature Device temperature > 65 °C
Operate device within
permitted temperature range
(see 14.1.1, p. 231).
Update operator menu access
code (alarm deactivated after 10 s)
The access code for the operator
menu is 000000 (delivery state)
• Wait 10 s
• Update operator menu access
code (see 6.1, p. 120).
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