Memory Fault; Calibration Required - Teledyne GMI PS200 User Manual

5.5. Memory Fault

During warm-up, if the 'MEMORY FAULT' screen is displayed, as illustrated in
Fault, the monitor has detected a memory fault.
The monitor must be returned for service.

5.6. Calibration Required

If the monitor requires calibration, CALIBRATION OVERDUE appears during warm-up, as shown
in Figure 38: Calibration
diminished. The monitor should be recalibrated.
Press the L button once to abort the warm-up sequence and automatically switch OFF the monitor.
Alternately, press the R button once to acknowledge the warning, cancel the audible/visual alarm
and continue. Every 30 seconds, a CAL EXPIRED warning, will flash as shown in
EXPIRED.
64171
Revision 12.1
Figure 36: FLOW FAULT
Figure 37: Memory Fault
Overdue. The monitor will still operate but sensor response may have
Figure 38: Calibration Overdue
PS200
PORTABLE GAS MONITOR
Figure 37: Memory
Figure 39: CAL
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