Dimmer Switch: Testing and Inspection
INSPECTION1. INSPECT LIGHT CONTROL RHEOSTAT
a. Measure the voltage according to the value(s) in the table given.
b. Measure the resistance according to the value(s) in the table given.
c. Check the resistance between terminal 4 (RV) and terminal 3 (T) when operating the light control rheostat volume knob. Also, check that the resistance changes continuously.
Turn the knob to maximum: Approx. 10 kohms
Turn the knob to minimum: Approx. 0 kohm