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MD30 maintenance

1

2

3

1

Surface state sensor

2

Surface temperature sensor MT10

3

Air temperature and humidity sensor HMP113

Table 1 MD30 maintenance

Task

Frequency

Preventive maintenance

Check error messages

Clean surface state sensor window

As needed

Clean surface temperature sensor

Annually

Replace filter of air temperature and humidity sensor

Annually

Perform 3-step calibration (clean, adjust with plate, drive on dry road)

Annually

Repair maintenance

Replace air temperature and humidity sensor

As needed

Replace surface temperature sensor

As needed

For MD30 instructions, including documents and videos, see

https://www.vaisala.com/en/support/md30

.

M212309EN-C

Reference

Guide

Maintenance and Troubleshooting

Vaisala Mobile Detector MD30

PUBLISHED BY
Vaisala Oyj
Vanha Nurmijärventie 21
FI-01670 Vantaa, Finland
© Vaisala Oyj 2020

All rights reserved. Any logos and/or product names are trademarks of Vaisala or its individual partners.
Any reproduction, transfer, distribution or storage of information contained in this document is strictly
prohibited. All specifications — technical included — are subject to change without notice.

Summary of Contents for MD30

Page 1: ...e air temperature and humidity sensor As needed Replace surface temperature sensor As needed For MD30 instructions including documents and videos see https www vaisala com en support md30 M212309EN C...

Page 2: ...on the vehicle When cleaning remove possible dirt ice and snow 2 3 1 1 Remove the hood by turning it counterclockwise 2 Apply glass cleaner on the window of the surface state sensor Clean with a soft...

Page 3: ...onditions require it 1 Remove the surface temperature sensor from the body 2 Apply glass cleaner on the surface temperature sensor Insert a cotton swab in the thread and turn it clockwise Remove the c...

Page 4: ...ith an O ring but do not use it 1 Carefully remove the filter from the probe Holding the filter by its collar rotate the filter counter clockwise then pull it out Do not touch the sensor heads CAUTION...

Page 5: ...re and humidity sensor HMP through the holder and disconnect the sensor cable 2 Add electric joint compound at the end of the connector of the replacement sensor Connect the sensor cable to the replac...

Page 6: ...mperature sensor 2 Screw 4 pcs 1 Loosen the 4 screws that hold the temperature sensor in place remove the sensor and disconnect the sensor cable 2 Connect the sensor cable to the replacement sensor 3...

Page 7: ...bile Detector MD30 Setup Guide 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...

Page 8: ...us error Restart mobile sensor 5 Laser heating error 6 Excessive ambient light detected Sunlight is reflected from road surface to mobile sensor Move vehicle or reposition mobile sensor 7 Receiver err...

Page 9: ...ontamination warning 2 0 OK 1 Contaminated Window is getting contaminated Clean the window 4 Window heating 0 OK 1 Not working If heating is not working monitor window contamination 5 Low input voltag...

Page 10: ...face layer thickness results 0 False 1 True Unit operational but measurement data may be invalid Verify installation and clean window 15 31 Reserved for future use 1 Bit is shown in MD30 interface res...

Page 11: ...erence plate MDPLATE Splitter for car power outlet 260028 Mobile phone USB charger 256824 Mobile phone USB C charging cable 3 m 9 ft 8 in 258180 Mobile phone holder 256791 Mobile phone SIM not include...

Page 12: ...ntenance 1 Clean surface temperature sensor Cleaning surface temperature sensor page 3 2 Replace filter of air temperature and humidity sensor Replacing filter of air temperature and humidity sensor p...

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