5-4
3M™ GMI™ PS200 PORTABLE GAS MONITOR
WARNINGS & FAULTS
64171, Rev. 10/May 2019
Figure 5-8: FLOW FAULT
5.6. Memory Fault
During warm-up, if the ‘MEMORY FAULT’ screen is displayed, as illustrated in Figure 5-9: Memory
Fault
, the monitor has detected a memory fault.
Figure 5-9: Memory Fault
The monitor must be returned for service.
5.7. Calibration Required
If the monitor requires calibration, CALIBRATION OVERDUE appears during warm-up, as shown in
Figure 5-10: Calibration Overdue. The monitor will still operate but sensor response may have dimin-
ished. The monitor should be recalibrated.
Press the L button once to abort the warm-up sequence and automatically switch OFF the monitor.
Figure 5-10: Calibration Overdue
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