4/Tests and Troubleshooting
1503-0151-000 5/26/0 4-15
4.4. Diagnostic tools
Display A/D channels
The software displays the A/D values for each of the A/D channels.
Remarks
: This selection displays a listing of A/D Channels which are at various
values depending upon the set parameters. One check that can be made is a
disconnect check or large leak check.
DESCRIPTION ACTUAL RANGE HEX RANGE DISPLAYED RANGE UNITS SPECIAL INSTRUCTIONS
PATIENT PRESSURE -20 to + 120 cmH2O 0209-02D1 18.235-25.235 cmH2O Zero Offset Reading (nominal 621 LSB)
MANIFOLD PRESSURE -20 to +120 cmH2O 0209-02D1 18.235-25.235 cmH2O Zero Offset Reading (nominal 621 LSB)
INSPIRATORY FLOW -3.5 to +3.5 cmH2O 0726-0924 3.66-4.68 cmH2O Zero Offset Reading (nominal 2050 LSB)
EXPIRATORY FLOW -3.5 to +3.5 cmH2O 0726-0924 3.66-4.68 cmH2O Zero Offset Reading (nominal 2050 LSB)
FLOW CURRENT SENSE 0 to 1 Amp 0000-0FFF 0-1.023 Amps
FLOW DAC FEEDBACK 0 to 4.095 Volts 0000-0FFF 0-4.095 Volts
INLET VALVE CURRENT
SENSE
0 to 200 MA 0943-0F2C 0-235 milliamps Off State Reading = 0 to 259 LSB
O2 CONCENTRATION 0 to 100% 0000-0FFF 1-100 %
1.225V VOLTAGE REFERENCE 1.220V to 1.229V 04BE-04D3 1.214-1.235 Volts
5.5V TEST 4.988 to 6.09 Volts 07D7-09FB 4.025-6.214 Volts
+12V EL SUPPLY TEST 10 to 15 Volts 0677-0A41 10.667-15.402 Volts
+15V LOCAL10VA TEST 13.75 to 15.75 Volts 071A-089F 13.351-16.207 Volts
+15V SIB TEST 13.75 to 15.75 Volts 071A-089F 13.351-16.207 Volts
BATTERY VOLTAGE TEST 0 to 16 Volts 0000-0FFF 0-16.446 Volts <7V = No Battery
<12.5V On AC = Low Battery
<11.35V On BATT = Low Battery
<10.9V ON BATT = Low Batt Shutdown
<16V = Batt Out Of Range
BATTERY CURRENT TEST 0 to 4 Amps 0000-0FFF 0-4.095 Amps >300mA = On Battery
>4Amps = Out Of Range
ANALOG GROUND 0 to LSB 0000-0006 0-0.006 Volts
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