Light Switches Testing:
In order to test the light switches on your electric range, the following steps should be taken:
- Before repairs or testing can begin you must disconnect the electricity at the fuse panel, at the circuit breaker panel, or by pulling the plug. Make sure the power is off before proceeding. A jolt from 220 volts can be fatal, use caution!
- Refer to your range's operating manual or wiring diagram for the location of the light switch. Usually the switch will be either on the control panel or inset into the oven door opening.
- Now you need to gain access to the back of the switch in order to test it. Check your range's operating manual for access and mounting details. Most switches are push-in types, and you can carefully pry them out from their location with a thin-bladed screwdriver.
- Once you have gained access to the switch, label and disconnect the wires from the switch's terminals. Set your VOM to ohmmeter function and set the range to R X 1. Touch a test lead to each of the two terminals on the switch.
- If the contacts of the switch do not make contact in either on or off positions, there will be no continuity in either position. If the switch is shorted, there will be continuity in both positions. In both cases, the switch is defective and must be replaced.
- Carefully replace the wires to the correct terminals of the new switch. Now install the new switch in its mounting position.
REMEMBER YOU ARE WORKING WITH 220 VOLTS - USE EXTREME CAUTION!!!