Troubleshooting; No Power To The Console; Troubleshooting -Speed Does Not Display - Matrix U30 Service Manual

3.3 TROUBLE SHOOTING
3.3.1 TROUBLESHOOTING – NO POWER TO THE CONSOLE
1) Symptom:

No power to the console.

Solution:
2)
a. The adaptor for this model is 12V - 2A. Check to make sure the power adaptor on the unit is correct.
Test the power adaptor on a known good outlet. Replace the adaptor if it is defective.
b. Check the connection of the console cable at the console. Unplug the console cable from console, and
use a multi-meter to check the voltage through the console cable. Pin 1 or 2 and pin 7 or 8. it should be
12VDC. If no voltage is present, the console cable is defective, replace it.
c. If the voltage through the console cable is 12VDC, the console is defective, replace it.
3.3.2 TROUBLESHOOTING –SPEED DOES NOT DISPLAY
1) Symptom:
The speed value does not display on console
2) Solution:
1. Unplug power cord, remove the console and check that all connections to the console are secure and
not damaged or pinched.
2. Remove the side cover and check to see if the sensor wire is connected well.
3. Check to see if one corner of the sensor is aligned with the magnet and the distance less than 5mm.
CHAPTER 3: Troubleshooting
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