INITIALIZATION PROCEDURE
These steps are required for new installations or
may be required
when a power interruption / outage
occurs and the unit is off for 15 minutes or longer (and failsafe message appears).
1. Confirm power supply is plugged into the power source and the back of flowmeter.
2. Turn On / Standby (Off) switch to the ON position and wait 20 seconds.
3. Then, turn On / Standby (Off) switch to the STANDBY position and wait 20 seconds (auto-zero).
4. Turn On / Standby (Off) switch to the ON position and the unit will display initial sequence startup.
See Initial Installation Display / Troubleshooting for appropriate display readings.
INITIAL INSTALLATION DISPLAY / TROUBLESHOOTING
Display / Condition
Meaning
User Action
No display.
No power.
•
Check the power supply is plugged
into the electrical outlet.
•
Check that the electrical outlet has
power.
•
Check that the power cord is properly
connected to the back of the power
supply.
Initial installation; no gas
hooked up; Slide switch
to ON; %N2O and Total
Flow Knobs to full
mechanical stops.
Installation Check for proper
display
STEP 1
%N2O L/M
There is no Oxygen flowing.
There is no Nitrous flowing.
%N2O and Total Flow valves are
shut tightly.
Normal display condition for no flows.
Proceed to procedures using gas
hook up and flows.
Failsafe / Service
Is Required, Turn
Off N2O Source
MXR-D housing is too cold or too
hot upon initial power up.
Wait for flowmeter to reach room
temperature.
Low O2 Flow, Turn
Knob to Increase
O2 Flow, Check O2
Source (Tanks)
MXR-D housing is closer to room
temperature, but cannot yet have
proper display.
Wait for flowmeter to reach room
temperature.
Total Flow
%N2O L/M
MXR-D housing is closer to room
temperature, but cannot yet have
proper display.
Wait for flowmeter to reach room
temperature.
O2 Flow
%N2O L/M
MXR-D housing is closer to room
temperature, but cannot yet have
proper display.
Wait for flowmeter to reach room
temperature.
Gas hooked up; Slide
switch to ON; %N2O and
Total Flow Knobs to full
mechanical stops.
Procedure to check for Total
Flow valve by-pass leak.
STEP 2
%N2O L/M
There is no Oxygen flowing.
There is no Nitrous flowing.
%N2O and Total Flow valves are
shut tightly.
Normal display condition for no flows.
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