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36
Chapter 5
Possible Cause
Corrective Action
Cannot connect to
Wi-Fi
®
or the
internet.
Note that AirAssure
™ IAQ monitor can only connect
to 2.4 GHz Wi-Fi
®
signals. Most Wi-Fi
®
routers
provide several frequency channels. Please make
sure you are connecting to the 2.4 GHz channel.
The monitor does not have the capability to connect
to public networks that require a second step of
browser authentication, such as a free public hotel or
airport network. A different network will need to
be chosen.
Some corporate networks require the device MAC
address for security. This can be found on the serial
number label of each monitor.
The monitor does not support IEEE 802.1X
connections.
Additionally, the following firewall ports need to
be available:
• DNS: 53 (UDP)
• SNTP: 123 (UDP)
• HTTPS: 443 (TCP)
• MQTT: 8883 (TCP)
PM readings are unusually low
Plugged with dust
or debris
Check the inlet and outlet ports next to the USB
connection. If they are plugged, gently blow out
debris with clean compressed air.
Replace sensor
Sensor may be past its recommended
replacement cycle.
Содержание AIRASSURE 8144
Страница 6: ...iv Appendix A Specifications 39 Appendix B Status Flags and Error Codes 43 Examples 46 ...
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