Vaisala MD30 Reference Manual page 13

Reference Guide
1) Message
Bit
12 Reference setting values are
not updated due to poor signal
quality
13 Reference setting was
interrupted by client
14 Signal levels low, uncertainty in
surface layer thickness results
15 Road surface type significantly
different from road surface
type used in reference setting
16 Layer thickness result
produced undefined result
17 Measurement over range, layer
thickness measurement range
exceeded
18 - 31 Reserved for future use
1) Bit is shown in MD30 interface response data message, not in RoadAI.
2) Reported by MD30 models that have the window contamination feature.
Reference setting cannot be started if status info bit 0, 1, or 2 is set.
Laser temperature change stops the ongoing reference setting.
More information
‣ MD30 troubleshooting (page 8)
‣ Error bits (page 10)
Value
0 = False
1 = True
0 = False
1 = True
0 = False
1 = True
0 = False
1 = True
0 = False
1 = True
0 = False
1 = True
-
Description
Excessive variation in road
surface type. Find more
representative road surface.
−
Unit operational, but
measurement data may be
invalid.
Verify installation and clean
window.
Unit is operational, but
measurement data can be
invalid. If condition persists,
perform reference setting.
Verify installation. If condition
persists, perform reference
setting.
Maximum reported layer
thickness 60 mm (2.36 in)
exceeded. If this does not
represent actual conditions,
perform reference setting.
−
M212309EN-D
13