Blower Speed Resistor; Oven Shutdown Thermal Cutoff (Tco) - KitchenAid KEMS378S Technical Education

Disconnect power before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or electrical shock.

BLOWER SPEED RESISTOR

Refer to page 4-36 for the procedure for ac-
cessing the blower speed resistor.
NOTE: The blower speed resistor will be tested
at the appliance manager board (see page
4-18).
1. Unplug oven or disconnect power.
2. Set the ohmmeter to the R x 1 scale.
3. Touch the ohmmeter test leads to wire con-
nectors P9-2 (GY) and P8-4 (GY). The meter
should indicate approximately 170 Ω.
Lower Oven
Appliance Manager
Electrical Shock Hazard
P9 P8
1 2 3 4 5
1 2 3 4 5 6
WARNING
OVEN SHUTDOWN THERMAL
CUTOFF (TCO)
Refer to page 4-36 for the procedure for ac-
cessing the oven shutdown thermal cutoff.
NOTE: The oven shutdown thermal cutoff will
be tested at the appliance manager board (see
page 4-18).
1. Unplug oven or disconnect power.
2. Set the ohmmeter to the R x 1 scale.
3. Touch the ohmmeter test leads to wire con-
nectors T1-2 (R/W) and P7-3 (RD). The meter
should indicate a closed circuit (0 Ω).
Lower Oven
Appliance Manager
5-14
T1
P7