Verifying Pump Operation - MSA ALTAIR 5 Manual De Instrucciones

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4.2.

Verifying Pump Operation

Users can check operation of the sampling system any time during
operation by blocking the sampling system to generate a pump alarm.
Once gas readings are displayed, plug the free end of the sampling line or
probe.
The pump motor shuts down and an alarm sounds.
PUMP ERROR will flash on the display.
Monochrome display
PUMP ERROR
When the pump inlet, sample line or probe is blocked, the pump alarm must
activate.
If the alarm does not activate:
a.
b.
Do not use the pump, sample line, or probe unless the pump alarm
activates when the flow is blocked. Lack of an alarm is an indication that
a sample may not be drawn to the sensors, which could cause
inaccurate readings.
Failure to follow the above can result in serious personal injury or death.
Never let the end of the sampling line touch or go under any liquid
surface. If liquid is drawn into the instrument, readings will be inaccurate
and instrument could be damaged. We recommend the use of an MSA
sample probe containing a special membrane filter, permeable to gas
but impermeable to water, to prevent such an occurrence.
(5) Press the
During operation, a pump alarm may occur when the:
Flow system is blocked
Pump is inoperative
Sample lines are attached or removed.
To Clear Pump Alarm
(1) Correct any flow blockage.
(2) Press the
The Pump will now restart.
US
Check the sample line and probe for leaks.
Once leak is fixed, recheck pump alarm by blocking the flow.
button to reset the alarm and restart the pump.
button.
ALTAIR 5 - Operating Manual
Color display
PUMP ERROR
WARNING
MAINTENANCE
45
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