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Error code reference

Hotpoint Cooktop Error Code F17

ISI UART 2

Hotpoint codesHotpoint cooktop codes
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What the F17 error code actually means

Your Hotpoint cooktop has detected that the temperature sensor on the smaller burner is reporting an unusually high temperature, which caused the cooktop to shut down that zone as a safety precaution. This could mean the sensor itself is faulty and giving a false reading, or that the small burner actually got too hot due to a ventilation or hardware problem. A technician will need to check the sensor and the burner components to determine which issue is causing the alert.

Diagnostic procedure

The full F17 procedure

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1
First diagnostic step
Check whether the induction coil NTC has become miscalibrated.
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Most common causes of F17

Ranked by how often they cause this code
  1. 1Miscalibrated or faulty NTC thermistor
  2. 2Poor or corroded thermistor connection
  3. 3Blocked or restricted ventilation
  4. 4Faulty cooling fan
  5. 5Defective small induction coil or driver circuit

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Questions people ask about F17

What does F17 mean on a Hotpoint cooktop?
F17 on a Hotpoint cooktop means the control system has detected an excessively high temperature on the small induction coil, as reported through the ISI UART 2 communication channel. The most common starting point is checking whether the NTC thermistor monitoring that coil has become miscalibrated or failed. The cooktop disables the affected zone as a safety measure until the fault is resolved.
Is it safe to keep using my Hotpoint cooktop when F17 is displayed?
You should not continue using the affected small induction zone while the F17 code is active. The cooktop disables that zone precisely because a temperature condition outside safe parameters has been detected. Using the appliance without resolving the fault risks further component damage and, if the overheating is genuine rather than a sensor error, a potential safety hazard.
How much does it cost to repair an F17 error on a Hotpoint cooktop?
Repair costs depend on the root cause. Replacing an NTC thermistor is generally a lower-cost repair, typically in the range of $50 to $150 including parts and labor. If the fault involves the cooling fan or the induction control board, costs can rise to the $150 to $400 range depending on the specific components and local labor rates. Getting a diagnostic assessment before committing to a repair is always recommended.
Can I fix the F17 error myself, or do I need a technician?
Some basic checks, such as clearing blocked ventilation and inspecting the wiring connector to the thermistor, can be done by a careful DIYer comfortable working with appliances. However, measuring the NTC thermistor resistance and replacing components like the thermistor, cooling fan, or control board typically requires disassembly and some technical knowledge. If you are not experienced with induction appliance internals, a qualified technician is the safer choice.
Will resetting the cooktop clear the F17 error code?
A power reset by switching off the cooktop at the circuit breaker for a few minutes may temporarily clear the F17 code, but it will return if the underlying cause has not been addressed. A miscalibrated thermistor, faulty fan, or genuine overtemperature condition will continue to trigger the fault during normal operation. A reset is useful for confirming whether the error is intermittent, but it is not a repair.

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