Quest Engineering MPS 3, Troubleshooting Manual

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MPS 3 and MPS 3 ND Troubleshooting Manual – Troubleshooting
130
Reverse water flow detected
Check water connections
H2O Circ is Off. Turn Circ On to retest
CONFIRM
* Ensure the H2O Circulation
System has been fully primed
using he steps outlined in the
Operations Manual
* Ensure cold water source has
adequate water level and flow
rate
* Check water lines for clamps,
kinks, or occlusions
* Check water lines to ensure
they are connected properly
and not reversed
* Increase head height of
Hypothermic Reservoir
* Increase water pressure and
flow mode settings in
heater/cooler unit, if possible
* If a bypass loop is being used
in
conjunction with the
heater/cooler unit, than
partially
clamping/reducing the tubing
size or installing pressure
relief
check valve will increase flow
into the H2O Circulation
System
* Try to prime/re-prime
circulation
system
* If system will still not prime
properly, remove heat
exchanger and manually burp
top puck seal to remove air
and
then try to prime/re-prime
system
131
Low pressure in heat exchanger
Check circuit
CONFIRM
* Ensure adequate flow rate is
set
during Recirc and/or Vent
modes
* Check head height of
cardiotomy reservoir to
ensure
it is not too far below vent
valve
Alar
m
Cod
e
Message Display Corrective Action
22