Matrix A3x-01 Ascent Trainer, Service Manual

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23
cHAPter 7: troUblesHooting
7.7 troUblesHooting - console issUes
Possible cAUses:
1) The console cable is damaged or not properly connected.
2) Poor connection to the terminals on the console.
3) The console is damaged.
4) The generator is damaged.
solUtion:
1) Unplug the console cable at the console and use a multi-meter to check if the voltage between pin 1 (Vcc) and pin 8 (Ground) of the console
cable is greater than 12 Volts DC. If it is, replace the console.
no disPlAy on tHe console or tHe console is diM
2) Remove the front covers and check the console cable connection at the
LCB. Also confirm that LED +12 on the LCB is lit. If it is not, replace the
LCB.
3) Check if the generator is outputting variable power:
a. Insert the probes from a multi-meter into the black and red wires on
the generator wire harness connector (Figure A).
b. When pedaling, the output voltage from the generator should vary
depending on the RPM. The generator should output 120 VAC at
94 RPM.
c. If the generator is not outputting variable power, replace the ............
ECB.
d. If the ECB is outputting variable power, replace the lower control ....
board.
figUre A