Dimmer Switch: Testing and Inspection

LIGHT CONTROL RHEOSTAT ASSEMBLY
a. Check the continuity of light control rheostat when light control rheostat operation as shown in chart.





b. Check resistance.
1. 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.

Standard resistance:
Turn the knob to maximum: Approx. 10 kohm
Turn the knob to minimum: Approx. 0 kohm