Teledyne PS200 Series, Operation & Maintenance Manual, Page: 38 / 58

PS200
PORTABLE GAS MONITOR
WARNINGS & FAULTS
64171, Rev. 11/December 2019 5-4
Check sample line, filter, or probe for blockage. Clear blockage, then restart pump by pressing and
holding the R button.
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
diminished. 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