Thermo Scientific Micro-Tech 9101 - Page 107

Maintenance and Troubleshooting
Analog Input/Output Problems
Thermo Fisher Scientific Micro-Tech 9101/9201 Reference Manual, Rev J 4-13
 If BAD—Verify field wiring, Remote device failure.
Figure 4–8. Analog Troubleshooting—Verify Source Output
7. Verify mA loop circuit. Place mA meter in series with analog loop.
 If GOOD—Input circuit is good.
 If BAD—Replace analog output board.
Figure 4–9. Analog Troubleshooting—Verify mA Loop