Testing An Ignitor Switch - Whirlpool 4322452 Service Manual

The ignitor switch (see Figure 6-3A) is located on the gas control valve stem and closes when the
knob is turned to the LITE position (see Figure 6-3B) to provide power to the ignitor spark module.
To test a switch:
1. Turn off the gas and electrical power to the range.
2. Disconnect the wires from the ignitor switch terminals.
3. Set the ohmmeter to the R x 1 position.
4. With the control knob in the OFF position, touch the meter leads to the switch terminals. The
meter should indicate no continuity .
Figure 6-3A
5. Turn the control knob to the LITE position, and the meter should indicate continuity .
If the readings are not as indicated in the test, replace the switch.

TESTING AN IGNITOR SWITCH

OFF
LITE
Control OFF
Switch Open
Figure 6-3B
Page 6-4
OFF
LITE
Control Set To Lite
Switch Closed