Cooling Fan - GE PT920 Technical Service Manual

7. Carefully move the insulation to access and
remove the two 1/4-in hex-head screws (one
on each side of terminals) that hold the bake
element to the oven.
8. Grasp and pull the element out from the left side
of the oven by moving the element to the front
of the oven to clear the terminal ends.
Note: Upon reassembly, ensure displaced insulation
around oven and components is returned to its
original position.

Cooling Fan

A cooling fan is controlled by the logic board and
is located above each oven. On upper and single
ovens, the cooling fan is in the rear wall on the left
side of the control compartment. On lower ovens,
the cooling fan is located on the right side of the
back wall in the lower control compartment. On
double ovens, both fans operate together.
The fans will begin to operate when the oven is
in any cooking mode. The fans may continue to
operate even after the oven is turned off.
The fan motor in the single or upper oven, and the
fan motor in the lower oven is a 2-speed motor. Fan
speed is controlled by the microswitch on the door
Disconnect
lock: Locked = high speed and unlocked = low speed.
The cooling fans have the following approximate
resistance values:
White/red to
white/black
Black to
white/black
White/red to
black
Access to the single and upper oven cooling fans
and the lower oven cooling fan require the oven to
be removed.
To remove the cooling fan in the single and upper
oven:
1. Remove the oven from the installation. (See
Removal
2. Remove the top access panels. (See
Panels.)
3. Disconnect the cooling fan wire harness.
Cooling Fan Wire Harness
– 32 –
Single or
Upper Oven
13 Ω
18 Ω
30.7 Ω
.)
(Continued Next Page)
Lower Oven
10 Ω
21 Ω
31 Ω
Oven
Top Access