•
VAP235: Service tool software
Step Description
Picture
1
2
Remove the optical unit carefully.
Note: Make sure that the contact pins are not damaged.
3
To reassemble the mainboard, follow the previous steps in
reverse order.
Note: Coat the battery contact surfaces on the mainboard with Krytox
oil.
Note: Coat the seal groove with Krytox oil.
4
After replacing the mainboard it is necessary
•
to set the part number. Refer to
on page 43.
•
to set the serial number. Refer to
on page 44.
•
test filter set, service cable, PC and VAP235 software
on page 21.
This repair task is also available as a service video on HSO. HSO full access requires
login credentials. First log into HSO and afterwards click on
https://support.hach.com/app/answers/answer_view/a_id/1024331
. Select the desired
service video.
Note: Following hyperlink without being logged will end in a permission denied information
screen.
5.3.1 Set the part number
Note: It's not allowed to reconfigure an instrument to another parameter!
1.
Install the service cable VAA10036.99.G00 in the DR300. Refer to
on page 19.
2.
Start the VAP235.
3.
Connect the VAA10036.99.G00 to an USB port.
4.
Push on the DR300.
5.
Push
Connect
. The display of the DR300 shows Service.
Repairs
43
Summary of Contents for DR300
Page 1: ...DOC222 53 90639 DR300 Service Manual 02 2019 Edition 2...
Page 2: ......
Page 4: ...Table of Contents 2...
Page 6: ...Specifications 4...
Page 15: ...Startup 13...
Page 16: ...Startup 14...
Page 36: ...Inspection 34...
Page 54: ...Repairs 52...
Page 65: ...Figure 15 Set delivery state Troubleshooting 63...
Page 66: ...Troubleshooting 64...
Page 82: ...Certificate of Service Inspection 80...
Page 84: ...Certificate of Service Inspection manually 82...
Page 85: ......