Wolf Cooktop Code E13: Keyboard EEPROM error or RTD over high limit

What E13 means

On Wolf CT electric cooktops such as the CT30EU, E13 is a keyboard EEPROM error, meaning the memory on the control keyboard did not read correctly. On Wolf integrated module cooktops from the 2015 series, such as the SM15TF/S and FM15TF/S, E13 means the RTD sensor went above its limit for 5 seconds, 250F on the steamer and 450F on the fryer, which is the high temperature limit. The display shows E13.

Common causes of E13

Keyboard memory on a CT electric cooktop not reading correctly
Steamer or fryer module heating past its high temperature limit
RTD sensor or control that reports a limit that was not reached

✓ One safe check you can try

1. Turn the cooktop and any module off and let everything cool. 2. On a steamer or fryer, check the liquid level. 3. Toggle the cooktop breaker off for a minute and back on. 4. If E13 shows again, stop using it and book us; a memory error or a limit trip is not something owners can test.

! Why to stop there

A keyboard memory problem and a high temperature limit are very different, so identifying the platform comes first.
A limit trip on a fryer means hot oil, which we treat with care.
A written quote precedes any work here, and the repair carries a 30-day workmanship warranty.

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

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Other Cooktop codes

E7Wolf Induction Cooktop Code E7: Keyboard Diode Configuration Error E8Wolf CT Induction Code E8: no communication with generator 1 E9Wolf CT Cooktop Code E9: Generator 2 Communication Error E12Wolf CT Cooktop Code E12: Universal OFF Key Failure E55Wolf Induction Cooktop Code E55: shorted thermistor on the heat sink E13Wolf Induction Cooktop Code E13: OFF key error, dry the controls first E6Wolf CT Cooktop Code E6: shorted ambient thermistor E19Wolf CT Induction Code E19: read line failure

E13E13 questions

What are the limits behind E13 on modules?

The control watches the RTD sensor and trips when it stays over the limit for 5 seconds: 250F for the steamer and 450F for the fryer.

Is E13 on a CT cooktop about heat?

No. On the CT electric cooktops it is a keyboard EEPROM error, which is a memory problem in the control keyboard, not a temperature reading.

Will it clear after cooling?

On a module, once the temperature falls the control may reset, but a repeat of E13 means the heat control or sensor needs testing. We check the surrounding conditions too, not just the part named by the code.