StairMaster 4400/4600 CL/PT

Resistor Test for 4400/4600 CL/PT

1. Unplug the load resistor from the power control board and set your voltmeter to Ohms.

2. Place one lead from the voltmeter on each of the threaded posts on the load resistor.

3. Replace the load resistor if the voltmeter does not read 2.5 Ohms (+/- 10%).