Operator’s Manual of Anesthesia System 8 - 13
Alarms and Messages Alarms and Prompt Messages
Paw Too
Low
Paw < low
alarm limit
setting for 20
seconds.
1. Check alarm limit:
PEAK Low.
2. Check ventilation
settings: Pinsp/ΔPinsp,
Vt, PEEP, etc.
3. Check whether
patient circuit is
leaking or
disconnected.
High Yes Yes N/A * Yes Yes
Pressure
Limit
Paw ≥ Plimit. Check ventilation
settings: Plimit.
Low N/A * N/A * N/A * N/A * Yes
FiO
2
Too
High
FiO
2
> high
alarm limit
setting.
1. Check alarm limit:
FiO
2
High.
2. Check fresh gas O
2
setting.
3. Check fresh gas
balance gas setting,
and the balance gas
source is connected
correctly.
Medium No No N/A * No Yes
FiO
2
Too
Low
FiO
2
< low
alarm limit
setting.
1. Check alarm limit:
FiO
2
Low.
2. Check fresh gas O
2
setting.
3. Check whether
patient circuit is
leaking.
High No No N/A * No Yes
MV Too
High
MV > high
alarm limit
setting.
1. Check alarm limit:
MV High.
2. Check ventilation
settings: Pinsp/ΔPinsp,
Vt, RR, etc.
Medium Yes Yes N/A * Yes Yes
MV Too
Low
MV < low
alarm limit
setting.
1. Check alarm limit:
MV Low.
2. Check ventilation
settings: Pinsp/ΔPinsp,
Vt, RR, etc.
3. Check whether
patient circuit is
leaking or blocked.
Medium Yes Yes N/A * Yes Yes
Vte Too
High
Vte > high
alarm limit
setting.
1. Check alarm limit:
Vte High.
2. Check ventilation
settings: Pinsp/ΔPinsp,
Vt, etc.
Medium Yes Yes N/A * Yes Yes
Vte Too
Low
Vte < low
alarm limit
setting.
1. Check alarm limit:
Vte Low.
2. Check ventilation
settings: Pinsp/ΔPinsp,
Vt, etc.
3. Check whether
patient circuit is
leaking or blocked.
Medium Yes Yes N/A * Yes Yes
INFORMA-
TION CAUSE ACTION
ALARM
PRIORITY
DISABLE
WHEN
ALARM
IS OFF
DISABLE
IN
CARDIAC
BYPASS
MODE
DISABLE
IN
STANDB
Y MODE
DISABLE
IN
MONITO
R MODE
DISABLE
IN ACGO
MODE
Table 8-3 Physiological Alarm Messages