History
The complaint returned after three months
The prior repair made every disturbed and related input part relevant.
Three-month recall · Thermador
The Return Complaint Shifted from Ignition Parts to the Knob Input
Original simmer-control and igniter parts had already been installed. The next diagnostic branch was the switch and potentiometer at the knob, not another automatic board replacement.
What the source establishes
- The recall arrived three months after an original simmer-control and igniter replacement.
- The replacement parts were reported as original.
- Technicians reviewing the video prioritized the switch at the knob and said the control board was less likely.
- A gas valve or solenoid was considered but not favored.
- The advice also raised replacing the related potentiometers as a set; no final repair was posted.
A similar symptom can have a different cause on another appliance or model.
How the evidence narrowed the diagnosis
Leading branch
The knob switch was prioritized
Technicians interpreted the recorded behavior as a damaged or mis-actuated switch.
Service choice
Potentiometers were discussed as a set
That was a platform-practice recommendation, not a completed repair in this case.
What the evidence supports
The source supports the knob-switch and simmer-potentiometer path after the earlier control and igniter repair. It does not confirm the switch, valve or control as the final cause.
What should be verified next
Preserve which burner and knob position reproduce the issue and every part changed on the prior visit. Qualified service can then verify switch actuation and the gas-control sequence.
Gas and live-voltage safety: stop for gas odor, delayed ignition or uncontrolled flame. Do not remove knobs, probe switches or adjust gas components while the appliance is energized.
A repair that did not follow the obvious path
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