Replacement Of The Electronics Boards, The Display Assembly, The Horn Assembly, And The Pump - MSA SIRIUS Manuel D'instructions

7 Warranty, Maintenance, and Troubleshooting
8. Re-install the back case.
9. Tighten the four captive case screws.
10. Re-install the battery pack.
11. Turn ON the instrument and allow the new sensor(s) to equilibrate with the environ-
ment temperature for approximately five minutes.
12. Check the system for leaks by plugging the inlet with a clean finger.
• A pump alarm must sound. See Chapter 3.9 Verifying Pump Operation.
WARNING:
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.
Verification of calibration response is required; otherwise, the instrument will not perform
as required.
7.10 Replacement of the Electronics Boards, the Display Assembly,
the Horn Assembly, and the Pump
These parts must be replaced at an authorized factory sevice center.
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