3M™ PROTÉGÉ PLUS
PORTABLE MULTI-GAS MONITOR
OPERATION
8006569, Rev. C/June 2018
6-10
Figure 6-9: Check Firmware Version
6.8. Monitor LCD Alerts & Alarms
This section describes various alerts and alarms Table 6-6: Monitor Alerts and Alarms Descriptions
lists the details.
NOTE: To view the factory default alarm setpoints, see Section 5.4. Default Settings. To
change the default settings and values, refer to Portable Gas Detection (PGD) Appli-
cation User Manual.
NOTE: If other error codes appear during the operation, see Section 7.2.8. ERROR CODES.
Table 6-6: Monitor Alerts and Alarms Descriptions
LCD Description LCD Description
Low Alarm
2 fast LED flashes every 2
seconds
2 fast sounding beeps every 2
seconds
1 vibration every 2seconds
lLOW and gas reading flash
Negative Drift Alarm
1 LED flash every 2 seconds
1 sounding beep every 2 sec-
onds
1 vibration every 2 seconds
“—” and gas reading flash
High Alarm
3 fast LED flashes every 2
seconds
3 fast sounding beeps every 2
seconds
1 vibrations every 2 seconds
HIGH and gas reading flash
Sensor Missing Alarm
“NO SENSOR” display and
flashes
The device powers off with
the countdown
TWA Alarm
1 LED flash every 2 seconds
1 sounding beep every 2 sec-
onds
1 vibration every 2 seconds
TWA and gas reading flash
Low Battery Alarm
Battery icon flashes
1 beep, 1 LED and 1 vibration
every minute
The device deactivates with
the countdown (depleted)