Troubleshooting; Verifying Pump Operation - Altair 5 Manuel D'utilisation

4.1 Troubleshooting

PROBLEM DESCRIPTION
Alternating
Display
ERROR TEMP Temperature is below
-40 °F (-40 °C) or
above 167 °F (75 °C).
ERROR ADC Sensor measurement error
ERROR COMB Combustible sensor
power supply error
ERROR MEM External Memory error
ERROR PROG Program error
ERROR RAM RAM error
LOW
BATTERY
BATTERY
ALARM
Instrument Battery fully discharged
does not
turn ON
MISSING Sensor damaged or missing
SENSOR

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 display, plug the free end of the sampling line
or probe.
• The pump motor shuts down and an alarm sounds.
• PUMP ERROR flashes on the display.
4-2
REACTION
Return to normal temperature range
and recalibrate.Contact MSA
Contact MSA
Contact MSA
Contact MSA
Contact MSA
Contact MSA
Battery warning
Battery is completely discharged.
Shutdown sequence will begin
Remove from service as soon as
possible and recharge or replace
battery pack
Replace sensor