Evaporator Temperature Sensor / Switch: Testing and Inspection

Fig. 32 Evaporator sensor.:

Dip the sensor, Fig. 32 into a pan filled with ice water, check for continuity between the terminals.
Cut off 1.5 - -0.5~C (35-33~F)
Cut in 2.5 - 5~C (36-41~F)
If cut off or cut in temperatures are too low or too high, replace the thermo switch.