Heyer Modular+ - Messages During the System Tests

Maintenance and Calibration
47
Display message Cause Corrective action User
Corrective action
Service technician
System pressurized
AVM 3-2
A pressure larger than 10 mbar
is measured before the start of
the compliance test
Vent the system by opening the
Breathing circuit. Monitor
system pressure .
Relieve the system pressure,
recalibrate the pressure
sensors
System vented
or drive gas missing
AVM 3-2
During the compliance test or
Leak test a pressure higher
than 10 mbar is not measured
Check the O2 cell is present,
APL valve is set to max (leak
test) and breathing circuit is
connected properly.
Troubleshoot the breathing
circuit for leakages
3.4.2.1 Messages during the system tests
Result Compliance Test
Start Up
Compliance Test Leak Test O2 calibration
OK Compliance Test
Passed
Leak rate < 300
ml/min
Press Enter to
continue
Test Passed Leak Test Passed
Set APL Valve to
VENT (CMV)
position
OK with a leak of
300ml to 600ml
Compliance Test
Complete
Leak rate is
between 300-600
ml/min
Press Enter to
continue
Test Complete
Leak rate is xxx
ml/min
Compliance is
x.x ml/cmH2O
Please check
breathing circuit
OK with a leak of
500ml to 1000ml
Leak Test
Complete
Leak rate is
xxx ml/min
Verify that APL
Valve
is set to Max
CO2 absorber,
vaporizers locked
OK with a leak of
>600ml/min
Compliance Test
Complete
Leak rate is higher
than 600 ml/min
Tighten valve rings
Check breathing
circuit
Press Enter to
continue
Test Complete
Leak rate is higher
than 600ml/min
Please check for
leaks
OK with a leak of
>1000ml/min
Leak Test
Complete
Leak rate is higher
than 1000 ml/min
Verify that APL
Valve
is set to Max CO2
absorber,
vaporizers locked