To Clear Pump Alarm; Confidence Flash - MSA SIRIUS Manuel D'instructions

NOTICE
Perform a blocked flow test before each day's use. 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.
Never let the end of the sampling line touch or go under any liquid surface. If liquid is
sucked into the instrument, readings will be inaccurate and instrument could be damaged.
4. Press the RESET/
During operation, a pump alarm may occur when the:
• Flow system is blocked
• Pump is inoperative
• Sample lines are attached or removed.

3.10 To Clear Pump Alarm

1. Correct any flow blockage.
2. Press the RESET/
• The Pump will now restart.
NOTE:
When the instrument is in a gas alarm, the pump alarm may not display until gas alarm
is cleared.

3.11 Confidence Flash

In addition to the audible (brief horn sounding) and visual tests (all display segments light
and all alarm lights flash) that occur when the instrument turns on, this instrument is
equipped with a confidence heartbeat on the display that flashes periodically. This informs
the user that the display is functioning normally (see Figure 7).
button to reset the alarm and restart the pump.
button.
Figure 7: Heartbeat Indicator
Using the SIRIUS Multigas Detector 3
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