TSI Instruments AIRASSURE 8144, Руководство по эксплуатации и обслуживанию

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44 Appendix B
Type Value Definition Actions/Resolutions
Device
Status
(cont.)
16 Device internal time
has not been synced
to the cloud in the
last 24 hours If error persists may have
to replace entire sensor
cartridge, it is not possible
to replace the coin battery
on the backside of the
sensor board
32 Device internal time
value is invalid due to
low battery,
unpowered device
and lack of cloud
connection If error persists may have
to replace entire sensor
cartridge, it is not possible
to replace the coin battery
on the backside of the
sensor board
64
Sensor board
EEPROM failure.
Some sensors may
be disabled.
Replace sensor board
Sensor
Status
Messages
(for all
sensor
types, such
as CO
2
,
NO
2
, O
3
,
CH
2
O,
Temp/RH,
PM, etc.)
0 No errors N/A
1 Sensor is not factory
calibrated Replace sensor with
factory calibrated sensor
2 Sensor hardware
fault Power cycle device.
Disconnect power and
check sensor connections
to ensure sensor cables
are in good working
condition and sensors are
plugged in. If error persists,
replace individual sensor
or complete sensor
cartridge
4 Sensor
communication error Power cycle device.
Disconnect power and
check sensor connections
to ensure sensor cables
are in good working
condition and sensors are
plugged in. If error persists,
replace individual sensor
or complete sensor
cartridge