Whirlpool SF3000SE W Service Manual page 82

PROBLEM
Control knob will not turn.
"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.
There has been a power failure.
Press the CANCEL/OFF keypad.
The Control Lock has been set.
4-10
SOLUTION
If knob is still hard to turn, replace the
gas valve.
Reset the clock.
If the code does not disappear, refer
to page 4-12, 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.