K-Patents PR-21-S - Manual (Page 75)

8 Troubleshooting 69
8 Troubleshooting
8.1 Hardware
To troubleshoot refractometer hardware problems, it is often important to localize
the different cards inside the DTR . The Diagnostic LEDs on the cards help solve
the problems and give an indication on whether a connection is good.
Transmitter
processor card
PR-10500
H1 interface card
PR-1070 1/
PR-10702
Transmitter
motherboard
PR-10600
Power module
Power indicator light
Figure 8.1 Positions of the transmitter cards
Figure 8.2 Motherboard PR-10600 and H1 interface card PR-10701 in detail.