Troubleshooting Procedure
Motor Controller module "MC
1
" output power test
1. Switch treadmill ON/OFF switch to OFF Disconnect the Drive Motor cable Motor con-
nector from the Motor Controller "MOTOR" connector.
2. Set the multimeter to measure AC voltage. Switch the treadmill ON/OFF switch to ON.
Press the QUICK START key and immediately measure the voltage between the red
wire (pin 4) & the white wire (pin 5) of the MC MOTOR connector. If the MC is supplying
output power, you will momentarily (approx 2 sec) read an AC voltage value. Make a
note of the voltage and switch the treadmill ON/OFF to OFF
Note:If the drive motor does not start, the Motor Controller will only apply voltage for
a couple of seconds before it shuts down. Therefore the voltage readings in the fol-
lowing steps must be taken within the first couple of seconds after the treadmill is com-
manded to start the running belt. (A muftimeter with a hold feature is helpful for these
measurements).
1
Motor controller or motor controller module
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
Page 202
7 Troubleshooting
System Troubleshooting Procedures
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