3. Measure the AC voltage at the output side of the line filter. Verify that line voltage is
present when the breaker switch is turned on.
a. If NO, replace the line filter.
b. If YES, continue troubleshooting.
4. Replace the unit console and COMM cable with known good parts. Switch the power
ON, does the test console power-up?
a. If NO, replace the
MC
1
unit.
b. If YES, continue troubleshooting.
5. If the test console powered up, reconnect the test good COMM cable to the unit con-
sole. Switch the power ON, does the original console power-up?
a. If YES, replace the COMM cable.
b. If NO, the problem is with the console. Troubleshoot the console and replace if
the console is not field repairable.
Self-powered consoles (P62, P80, and P82).
1. Disconnect the power supply and verify that the console power supply has power at
the output cable connector, Reconnect the cable to the console, does the console
power-up?
l
If NO, replace the console power supply.
l
If YES, continue procedure.
2. Obtain a known good console and communication cable. First reconnect the com-
munications cable from the motor controller "MC" to the console and then the power
supply cable. Does the test console power-up without error?
a. If NO, replace the MC module (
IFT
2
drive)".
b. If YES, re-connect the good test communications cable and power supply to
the original console. Does the original console power up?.
l
If YES, replace the original Communications cable.
l
If NO, replace the console
Upper PCA
3
board.
CAUTION
: Do not swap a good MC to troubleshoot a suspect bad MC which
could damage the good replacement MC. The issues that damaged the original
MC may also damage the good swapped MC.
1
Motor controller, motor controller unit, or motor controller module: used on treadmills, con-
tains the LPCA and motor controller functionality.
2
Integrated Footplant Technology: IFT recognize this change in speed when your foot
strikes the belt and adjust to match every stride, resulting in a smooth, fluid feel that
enhances the workout experience.
3
Upper printed circuit assembly; generally refers to the console.
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
Page 198
7 Troubleshooting
System Troubleshooting Procedures