Sensor Faults; Flow Fault (Pumped Monitors Only) - Teledyne PS200 Series Operation & Maintenance Manual

PS200
PORTABLE GAS MONITOR
WARNINGS & FAULTS
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

5.4. Sensor Faults

If a sensor fault is detected, the backlight illuminates red, audible/visual alarms are activated, and a
wrench symbol is shown next to the faulty sensor.
5.4.1. SENSOR FAULT - LEL OR O
If a sensor fault is detected for LEL or O
the monitor to an approved service/repair facility.
5.4.2. SENSOR FAULT - CO OR H
If a sensor fault is detected for CO or H
allow the monitor to run in clean air for 20 minutes. If the fault persists, return the monitor to an
approved service/repair facility.

5.5. Flow Fault (Pumped Monitors Only)

If a sample fault exists, the monitor displays a FLOW FAULT warning, as shown in
FLOW FAULT. The display will be red and both the audible alarm and red LED's will be activated.
64171, Rev. 11/December 2019
2
, as illustrated in
2
Figure 5-6: LEL SENSOR FAULT
S
2
S, as illustrated in
2
Figure 5-7: CO/H S SENSOR FAULT
2
Figure 5-6: LEL SENSOR
Figure 5-7: CO/H S SENSOR
2
FAULT, return
FAULT,
Figure 5-8:
5-3