Dräger Carina Instructions For Use Manual page 100

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