Whirlpool SF372BEE W/N Service Manual page 88

PROBLEM
Control knob will not turn.
The self-clean cycle will not operate.
"PF" shows on the display.
A failure code (E3, F1, etc.) is show-
ing on the display.
The keypads do not operate.
POSSIBLE CAUSE
Press in on the knob before turning.
A delay start time has been pro-
grammed.
The cooling fan is not running.
There has been a power failure.
Press the CANCEL/OFF keypad.
The Control Lock has been set.
4-12
SOLUTION
If knob is still hard to turn, replace the
gas valve.
Wait for the start time to be reached.
Check the cooling fan wiring.
Test the control panel shutdown switch.
Replace the motor.
Reset the clock.
If the code does not disappear, refer
to page 4-14, and identify the cause of
the error message to help you correct
the problem.
Press and hold the Control Lock key-
pad for 5-seconds to unlock the key-
pads.
The range is not properly grounded.