Page E-4 LTV
®
Series ventilator Operator’s Manual
p/n 10664, Rev. Y
Code Event Name Event Associated Alarm
37 SYNCER0 Stepper motor lost sync exited HW FAULT
38 HOME ER1 Stepper motor home failure occurred HW FAULT
39 HOME ER0 Stepper motor home failure exited HW FAULT
40 EEPROM EEPROM degraded HW FAULT
41 CRC Memory CRC check failed RESET
42 HI PRES1 High pressure occurred HIGH PRES
43 HI PRES0 High pressure exited HIGH PRES
44 TBN ISTP Turbine immediate stop occurred HIGH PRES
45 TBN ZERO Turbine set to zero flow occurred HIGH PRES
46 TBN ESTP Turbine emergency stop occurred HIGH PRES
47 LOW VE 1 Low minute volume occurred LOW MIN VOL
48 LOW VE 0 Low minute volume exited LOW MIN VOL
49 LO PRES1 Low peak pressure occurred LOW PRES
50 LO PRES0 Low peak pressure exited LOW PRES
51 CLR EVNT Event log cleared N/A
52 CLR CTRL Control settings cleared N/A
53 SET DATE Date set N/A
54 SET TIME Time set N/A
55 N/A
56 STACK Stack overflow detected RESET
57 POST POST failure RESET
58 RUNAWAY Code runaway detected RESET
59 WDOG TST Watchdog test run Inop
60 CLR CAL Calibration records cleared N/A
61 XDCR NAR
Differential pressure transducer -
Narrow channel fault
XDC FLT1
62 XDCR WID
Differential pressure transducer -
Wide channel fault
XDC FLT1
63 XDCR BI
Differential pressure transducer - Bi-
directional channel fault
XDC FLT1
64 XDCR AIR Airway pressure transducer fault XDC FLT1
65 ADC1 VAL
AD mismatch primary channel fault
value
HW FAULT
66 TBN HSTP Turbine Hold Stop occurred HIGH PRES
67 LN VENT1
Shutdown for other than pressing
On/Standby button
RESET
68 FLUSH ER
A problem is detected writing data to
the EEPROM during system
shutdown.
HW FAULT
69 RAC ERR1
Problem detected with primary and/or
redundant audible alarm circuitry
HW FAULT
70 RAC ERR0
Recovery from problem detected with
primary and/or redundant audible
alarm circuitry
HW FAULT
71 SNDRERR1 Alarm sounder error HW FAULT
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