Error code
Wolf electric cooktop error code E73
Wolf error code E73: the control asked for heat and did not see the current that should have followed, on an electric cooktop, a sealed sheet of glass with the entire control under it. What the code covers, what to check first, and what it does not tell you — on cooktops & rangetops.
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What we can confirm
Code E73, from the manufacturer's own documentation
A code is only meaningful together with the generation showing it — the same two digits mean different things across generations, and that is the commonest reason a code looked up online leads somewhere wrong. This one is recorded on CT electric cooktop.
The code
E73
The control asked for heat and did not see the current that should have followed, on an electric cooktop, a sealed sheet of glass with the entire control under it
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What it narrows down to
Open circuit associated with FastOn E3
What you are probably seeing
Diagnostic
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What it looks like from the kitchen
The symptom this code usually arrives with
A code names the subsystem; the symptom is what sent you to look at the display in the first place. That page says what it usually turns out to be, cheapest cause first.
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One zone or all of them Cooktop not heating
An electric or induction cooktop with power and no heat. One zone out and the rest fine is a contained repair; all of them out is usually the supply or the control rather than the cooking surface.
- One zone cold, the rest working
- Every zone dead with the panel alive
- A code naming an element or a generator
On the same generation
What else belongs to the CT electric cooktop
A code belongs to a generation rather than to one cabinet. These are the other codes yours can show, and the models that can show this one — a display often has more than one thing to say, and the model number decides what any of it costs to put right.
Other codes this generation can display
Ambient temperature too high
Generator heat sink temperature too high
Open ambient thermistor
Shorted sensors
Model value change
Display board detected network error
No published cause
Keyboard calibration error
The same two digits mean different things across generations. Search the full code list
In more detail
About Wolf electric cooktop error code E73
What this one means
The control asked for heat and did not see the current that should have followed, on an electric cooktop, a sealed sheet of glass with the entire control under it. It is a code the manufacturer publishes for this appliance, not one we have worked out — and it is decoded here rather than left as three characters on a display.
What the code covers
A published cause names a circuit rather than a component, which is the single most useful thing to know before ordering a part. This one covers:
- The element itself, open somewhere along its length
- The relay or the wiring feeding it
- A thermal cutout that has opened and not reset
- Open circuit associated with FastOn E3
Worth doing before you call
- Take everything off the glass, including a cloth or a hot pan lid over the controls
- Note whether the oven still heats on other modes — bake, broil and convection use different elements
Then what
Naming the circuit is what this code does, and it is the useful part: it says which element to test before anything is ordered. Testing it means the back panel off, with the supply isolated.
This code is published for cooktops & rangetops. The full list of codes has the rest of them, searchable, including the labels older and newer machines use for the same conditions.
This article is based on:
- Official manufacturer documentation
- Internal repair procedures
- Technician repair history
- Company quality standards