Control Switch Test

Measure the resistance between the terminals when each of the SET, RESUME and CANCEL switches is pressed.

If the values measured at this time correspond to those shown below, then there is no problem.

Switch Position Resistance Between Terminals
Switch OFF No continuity
CANCEL switch ON Approx. 0 ohms
RESUME switch ON Approx. 820 ohms
SET switch ON Approx. 2,700 ohms