Memory Fault; Calibration Required - 3M GMI PS200 Series Operation & Maintenance Manual

3M™ GMI™ PS200 PORTABLE GAS MONITOR
WARNINGS & FAULTS
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
, the monitor has detected a memory fault.
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
. The monitor will still operate but sensor response may have dimin-
Figure 5-10: Calibration Overdue
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
64171, Rev. 10/May 2019
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