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PS200
PORTABLE GAS MONITOR
WARNINGS & FAULTS
64171, Rev. 11/December 2019
5-2
Figure 5-3: LEL ZERO Fail
To acknowledge this fault, press the R button once. This will clear the audible/visual alarms. The
wrench symbol will remain on and ZERO FAULT is displayed as shown in
.
Figure 5-4: LEL ZERO FAULT
Return the monitor to clean air and switch it OFF then ON. If the ZERO FAULT persists, return the
monitor to an approved service/repair facility.
A configurable option only allows the user to switch the monitor OFF if a ZERO FAULT is detected,
as shown in
.
Figure 5-5: ZERO FAULT – Switch OFF
NOTE: The monitor can still detect and alarm on all other sensors.