When your Jenn Air range vent hood fan or light is not working, start with the thermal fuse, the most likely cause listed for this problem. A blown thermal fuse interrupts power to the vent hood, so test it for continuity with a multimeter and replace it if the circuit is open. If the fuse is good, check the fan switch. A defective fan switch can prevent voltage from reaching the fan motor. Next, test the on-off switch, which controls power to the light or fan motor, followed by the micro switch, switch kit, and rocker switch. Each switch should have continuity in the correct operating position. A failed switch can leave the Jenn Air range vent hood fan not working, the light out, or both functions inoperative. Disconnect power before testing or replacing electrical parts, and inspect the wire connections for damage or loose terminals. Enter your model number to find the exact thermal fuse, fan switch, on-off switch, micro switch, switch kit, or rocker switch for your specific Jenn Air range vent hood.
01 - Jenn Air Range Vent Hood Thermal Fuse
To determine if the thermal fuse has blown, use a multimeter to test the fuse for continuity. If the thermal fuse does not have continuity, replace it.
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A defective fan switch may not allow voltage to reach the fan motor to run it. To determine if the switch is defective, use a multimeter to test the switch for continuity. If the switch does not have continuity, replace it.
A defective on-off switch may not allow voltage to reach a light or fan motor to turn the light or motor on. To determine if the switch is defective, use a multimeter to test the switch for continuity. If the switch does not have continuity, replace it.
To determine if the micro switch is defective, use a multimeter to test the switch for continuity. If the micro switch does not have continuity, replace it.
To determine if the switch kit is defective, use a multimeter to test the switch for continuity. If the switch does not have continuity, replace the switch kit.
To determine if the rocker switch is defective, use a multimeter to test the switch for continuity. If the rocker switch does not have continuity, replace it.