J.A. Woollam M-2000, Hardware Manual

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M-2000® Hardware Manual ©2023 J.A. Woollam Co. 167
Polarizer Homing Error Message
Figure 12-5. Polarizer home error message.
This message indicates that the analyzer’s home sensor is not working. Possible
causes are:
1. Sensor malfunctions inside the Receiver side motor
2. Electrical connection (cable) between J26 and J25 – check the cable
connections and that the pins on the connectors all look normal.
3. Power to the analyzer motor is not delivered / electrical connection
between J6 and J5 – examine the connectors and reconnect the cable.
4. EC control module has electronic problems (motor driver, etc.).
User key points: Listen/feel – Is the Receiver side motor turning?
Spectrometer Is Not Scanning
Figure 12-6. Spectrometer error message.
Examine the cables and cable connections at J7 and J8, J9 and J10, and J11 and
J12. The cable connects J7 and J8 is the spectrometer power cable. J9 and J10,
J11 and J12 are spectrometer digital line cables with color code. Be sure to
connect them correctly.
User key points: Is the spectrometer power LED ON? – located on the front of
the M-2000 detector box.
Communication Problems
If the software will not communicate with the system (EC), the following
parameters need to be investigated. The software will NOT give an error
message, it simply will not initialize because the TCP/IP link cannot be