Arrow AutoCAT 2 Series Operating Manual page 183

8 . T r o u b l e s h o o t i n g
8 . 2 : T r o u b l e s h o o t i n g A l a r m s C l a s s I V
INFORMATION ONLY ALARMS (Class III)
Problem Operation Mode
Arterial Pressure AutoPilot
Alarm Operator
Low Helium Tank AutoPilot
Pressure Operator
AUTOMATIC ALERTS ALARMS (Class IV)
Problem Operation Mode
Possible Late AutoPilot
Deflation
Erratic Triggering AutoPilot
No ECG signal AutoPilot
available
Information Only Alarms
8-22
Possible Cause(s)
AP has fallen below
™
set limit
™ HE tank is empty
HE tank is OFF
Possible Cause(s)
Electromechanical delay is Check deflation timing. If
™
less than 100 msec
ECG connected from
bedside monitor. Signal
delay is longer than 35 msec 5 lead ECG cable.
> 3 lead switches within
™
1 minute and no AP signal
available
Noisy ECG signal
> 3 trigger switches
between AP and Pacer
within 1 minute
ECG signal is not available Check ECG connections.
™
but IABP is triggering on
AP or pacer signal
Corrective Actions
Check patient
hemodynamics. Check for
AP disconnect.
Change HE tank
Open HE tank
Corrective Actions
deflation timing is too late
and patient hemodynamics
are compromised, select
Operator mode and
manually adjust timing
Consider using direct
patient connection with
Check ECG signal quality.
Change ECG electrodes.
Change ECG lead. Adjust
Autogain or select Man gain.
Select Operator mode.
Check patient condition.
Select Operator mode.
Select appropriate
trigger mode.
Reconnect ECG cable or
leads. Attach another ECG
source from patient or
monitor.