System Failure (Medium Priority); Audio Silence - CardioQuip MCH-1000 Operators & Service Manual

System Failure (medium priority)

The MCH software constantly monitors the internal systems for problems. If a serious
problem is detected, the MCH will halt its operation, the alarm will sound a repeating three-
beep sequence every 8 seconds, and the FAILURE screen will appear. The MCH subsystem
that caused the failure will be marked by a red "X" in the TEST STATUS column. Touching the
Status Reset button
system test sequence. If the system test is successful, the alarm will clear and the TESTING
screen will appear, with green checkmarks in the TEST STATUS column. Otherwise, the
FAILURE screen will remain, and the alarm will continue to sound. To mute the alarm for 60
seconds, touch the Audio Silence button
System mode indicator
Temperature
differential indicator
Operational indicators
Audio Silence button
If the FAILURE screen is accompanied by this
TEMPERATURE DIFFERENTIAL ERROR notice, check
all hose connections, valves, and connected
equipment in the water circuit for blocked flow.
Once the water path is confirmed to be clear, touch
the Status Reset button
then return to RUN mode.
If the FAILURE screen appears repeatedly, this may indicate a serious problem with
your MCH unit that could affect patient and operator safety. Even if the system returns to
normal operation after a system test or a power cycle, please contact CardioQuip for
troubleshooting assistance and, if necessary, to schedule a service call.

Audio Silence

When an audible alarm is silenced, the Audio Silence indicator is displayed
on all operation screens. If the alarm issue remains unattended, the audible
alarm will resume after 60 seconds.
24 ALARMS | System Failure
(bottom right) will reset the alarm and cause the MCH to retry the
to clear the alarm,
at the bottom left corner of the screen.
TEMPERATURE DIFFERENTIAL ERROR
This error can be caused by blocked ow.
Please check all connectors, hoses, and valves
in the water circuit.
Blinking alarm indicator
(0.5Hz)
Test status indicators
Indicator lamps
Service info button
Status Reset button