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8.3 Breathing gas temperature too high
39.4°C
Cause
Remedy
Sudden change in
breathing gas flow rate�
Mute alarm and observe
whether the temperature
reduces to a permissible value�
Temperature probe is
defective�
Remove tube system and
replace temperature probe�
Breathing gas humidifier
is defective�
Remove tube system and report
to customer service�
8.4 Breathing gas temperature too low
35.8°C
Cause
Remedy
Sudden change in
breathing gas flow rate�
Mute alarm and observe
whether the temperature
increases to a permissible
value�
Temperature probe is
defective�
Remove tube system and
replace temperature probe�
Breathing gas humidifier
is defective�
Remove tube system and report
to customer service�
Humidification chamber
inserted incorrectly�
Correctly insert the humidifier
chamber�
8.5 Humidifier chamber temperature too high
41.9°C
Cause
Remedy
Sudden change in
breathing gas flow rate�
Mute alarm and observe
whether the temperature
reduces to a permissible value�
Temperature probe is
defective�
Remove tube system and
replace temperature probe�
Breathing gas humidifier
is defective�
Remove tube system and report
to customer service�