6.5 Fault Monitoring
00 Error cleared (no error)
01 No sensor
02 Low voltage
04 High voltage
08 Sensor A missing or not registered
10 Sensor B missing or not registered
18 Both sensors missing or not registered
20 Sensor A end of life (need to replace sensor)
40 Sensor B end of life (need to replace sensor)
60 Both sensors end of life
80 CAN error: Qty not matching option 77
Err-S Missing sensors
Notes:
• The end of life fault will start on the CO sensor after 10
years of operation and on the NO2 after 5 years of
operation. To remove the fault, please replace the sensor
module by a new one and register the new sensor module
(see section 6.4)
• For 22Gxx-5A & C-22G-5A model, any fault from above
table will turn the corresponding analog output to 0V/0mA
• On BACnet, any fault from above table will change the
System Status of the Device Object to Non-Operational
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