Troubleshooting; Verifying Pump Operation - MSA ALTAIR 5 Manuel D'utilisation

4.1 Troubleshooting

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