Test Procedures | Test Procedures |
SPEED SENSOR TEST
This test is used to verify sensor operation in conditions of Speed Fluctuation, E2: Cal error, S4: Sensor error, E2: Overspeed error, or Unsuccessful Calibration.
In calibration mode before pressing Start, the treadbelt can be moved manually and the Met light will blink when a magnet is in front of sensor. Check sensor on all magnets.
VOLTAGE TO DRIVE MOTOR TEST
This test is used to diagnose conditions of No Belt Movement, or Speed Fluctuations
Set voltmeter to Volts DC and adjust speed on Control Panel to 4mph Attach red voltmeter lead to MTR1 on PWM with motor wires attached Attach black voltmeter lead to MTR2 on PWM with motor wires attached 0 Vdc signals no PWM output
166 Vdc signals open circuit in motor or motor connection Operating voltage will lay between 0Vdc and 166 Vdc
NOTE: The reason that we do not narrow down PWM output voltage is that the PWM output is a pulse signal. The sampling rate of the voltmeter used will determine what output voltage the voltmeter is able to read.
DRIVE MOTOR TEST
This test is used in conditions of No Belt Movement. Unplug treadmill and set voltmeter to Volts DC Disconnect motor leads from PWM
Place 1 voltmeter lead in each motor wire
Gently spin motor flywheel and check for Voltage DC
0 Vdc means motor malfunction
DRIVE BELT TENSION TEST
This test is used in front roller replacement and in conditions of Belt Slipping. Place two fingers on top of drive belt halfway between front roller and drive motor pulley.
With moderate pressure push down on belt.
If belt deflects down more than 1/4Ó, tighten motor mount bolts If belt deflects down less than 1/4Ó, loosen motor mount bolts