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PS200
PORTABLE GAS MONITOR
23
64171
Figure 31: 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 32: 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,
.
Figure 33: ZERO FAULT – Switch OFF
5.3.2. Zero Fault – During Operation
If ZERO FAULT is displayed during instrument operation, then:
• Leave the monitor ON for 30-60 minutes
• Switch OFF then ON
• If ZERO FAULT persists, recalibrate the monitor
• If ZERO FAULT still persists, return the monitor to an approved service/repair facility
NOTE: The monitor can still detect and alarm on all other sensors.
Revision 12
.1