Dräger Carina

Problem solving
100 Instructions for use Carina SW 3.2n
External power failure !! 420 The device has no external
power supply.
Check mains power supply or
external battery.
Failure of mains power supply Connect external battery.
The external battery is flat. Connect the mains power sup-
ply. Charge the external bat-
tery.
HPO supply insufficient !!! 214 HPO supply faulty or not
available.
Check O
2 compressed gas
supply.
Inlet filter missing !! 430 Inlet filter has been removed
or is incorrectly installed.
Insert inlet filter. Check that the
inlet filter is correctly installed.
Insp. temperature high !!!
(Insp. temperature high !!!)
235 Breathing gas temperature
above 40 °C
Ensure free air feed at inlet fil-
ter. Remove blockages from
breathing circuit and breathing
circuit connections (foreign
bodies, kinked hoses). Lower
the ambient temperature.
Int. battery activated ! 457 Device is being powered by
the internal battery due to the
absence of mains supply or a
discharged external battery.
Restore mains power supply
or power supply by charged
external battery.
Int. battery empty !!! 76 The operating time with
power supply from the inter-
nal battery has elapsed. The
device switches to standby
mode.
Restore mains power supply
or power supply by charged
external battery immediately.
Int. battery low ! 454 Battery charge has fallen be-
low 50 %.
Restore mains power supply
or power supply by charged
external battery.
Int. battery low !!! 225 Battery charge has fallen be-
low 30 %.
Restore mains power supply
or power supply by charged
external battery.
Int. temperature high !!!
(Int. temperature high !!!)
143 The device has overheated
for external reasons.
Ensure free air feed at inlet fil-
ter. Remove blockages from
breathing circuit and breathing
circuit connections (foreign
bodies, kinked hoses). Lower
the ambient temperature.
Alarm message Internal
priority
number
Cause Remedy