Vaisala MD30 Reference Manual page 7

Reference Guide
MD30 troubleshooting
Table 2 Mobile sensor status LED
LED
Orange
Green (steady)
Green (blinking)
Red
Table 3 Troubleshooting
Problem
Installation and setup
Phone is not showing data.
Installation was verified with
reference plate and mobile sensor
adapted to road surface types, but
mobile sensor gives inaccurate
readings.
Calibration stops or does not
succeed.
Dry road not available.
Operation
System is in error state (mobile
sensor LED is red).
Phone is not showing data.
Status
Powered up
Startup ongoing
Operational
System is in error state and cannot be used
Probable cause
Device pairing was not successful
or system is not getting power.
Road was not completely dry
when dry road reference was
performed.
Road surface type in area of
operation differs significantly from
road surface type in location
where dry road reference was
performed.
Plate was not clean and dry during
plate calibration.
Plate was not positioned correctly
during plate calibration.
There is an active error.
−
Several possible causes.
System is not getting power.
Actions
Check that car charge adapter and
car phone charger are connected
and mobile sensor and mobile
phone are powered.
If pairing is still not successful,
repeat pairing.
Carry out dry road reference
again. See Vaisala Mobile Detector
MD30 Setup Guide.
Carry out plate reference. See
Vaisala Mobile Detector MD30
Setup Guide.
Check Unit status and Error status
information in RoadAI, and act on
any open errors.
Type the values manually or use
factory settings until local dry
road becomes available.
Restart mobile sensor.
If the error persists, see error
messages for more information.
Check that car charge adapter and
car phone charger are connected
and mobile sensor and mobile
phone are powered.
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