5-4
Key Error M The key was pressed and
held for more than five
seconds.
1. Check the pop-up status of the
key and the keyboard.
2. If the problem persists, replace
the keyboard.
Device Fault,
Ventilate
Manually
H Both the valve and sensor
are faulty.
1. Troubleshoot the valve and
sensor respectively.
2. Refer to the alarms related to
valve and sensor to eliminate the
alarm.
Ventilator
Hardware Error
01 to 09
H Monitor board selftest error Replace the monitor board.
Ventilator
Hardware Error
11
H Safety valve control failure
by the auxiliary control
board
Ventilator
Hardware Error
12
H Safety valve control failure
by the main control board
1. Perform leak test again.
2. Check if the PEEP valve works
normally. Restart the machine.
(This fault occurs only when leak
test is being carried out).
Auxi Ctrl Module
Error
H During leak test and
zeroing, a failure occurred
during the interaction
between the auxiliary
control board and the
monitor board.
1. Restart the machine.
2. Perform leak test.
3. Perform manual zeroing.
4. Replace the monitor board.
Ventilator Comm
Error
H The ventilator module
failed to communicate
normally with the main
system.
Ventilator Comm
Stop
H The ventilator module
failed to communicate with
the main system.
1. Re-plug or replace the
communication cable between the
main control board and the monitor
board.
2. If the problem persists, replace
the monitor board.
3. If the problem persists, replace
the main control board.
Drive Gas
Pressure Low
H The pressure of drive gas
was low.
1. Check the status of actual gas
supply to confirm if the alarm is in
compliance with the actual status.
2. Short circuit the pressure switch
and the alarm regarding outputted
signals should disappear.
Otherwise, it indicates that the
pressure switch is faulty. Replace
the pressure switch. Otherwise,
check the connection between the
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