Quest Engineering MPS 3 - Page 37

MPS 3 and MPS 3 ND Troubleshooting Manual – Troubleshooting
127, 128
Water flow sensor failed
Continue with heaters disabled
Start a NEW CASE to retest
CONFIRM
* Continue without temperature
control
OR
* Restart and resume case
* Call service after multiple
occurrences
129
Low water flow detected
Check for air locks.
Check external heater/cooler
Temperature Control may be affected
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 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
Alar
m
Cod
e
Message Display
Corrective Action
21