My 3-speed switch 09257 is not working – what could be the cause?
If the 3-speed switch does not provide the expected fan speed control for the central exhaust unit, the fault may be in components inside the switch. A common cause is defective capacitors.
Answer:
If the 3-speed switch 09257 is not working, you should check the capacitors inside the switch. Defective capacitors can prevent the switch from controlling the speed levels as intended. The correct run capacitor has article number 121840.