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Error code reference

Thermador Cooktop Error Code E16

Error code listed in table of contents for FSI hob.

Thermador codesThermador cooktop codes

Error code listed in table of contents for FSI hob.

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What E16 means on a Thermador cooktop

The E16 error code appears in the table of contents for Thermador FSI (Flame Simulation Induction) hob units. FSI hobs are induction cooktops that incorporate a visual flame simulation feature beneath the cooking zone, combining induction heating technology with an aesthetic flame-like display. Because the specific fault definition for E16 is not fully documented in publicly available service data beyond its listing in the FSI hob error table, the code is understood to relate to a monitored system within the FSI hob's control or operational architecture.

FSI hob units contain several electronically monitored subsystems, including the induction generator boards, the flame simulation LED or display driver circuits, the main control board, temperature sensors, and communication buses between these components. An E16 code in this context is consistent with a fault detected in one of these monitored circuits or subsystems, potentially involving a signal that falls outside expected parameters during operation or self-diagnostic routines.

Given the complexity of FSI hob architecture, diagnosing E16 should begin with a full power cycle to determine whether the fault is transient or persistent. If the error returns after cycling power, further diagnosis requires isolating the FSI display subsystem and control board connections, checking wiring harness integrity, and verifying that all connectors are fully seated. Due to the limited documentation available for this specific code, service by a qualified Thermador-trained technician familiar with FSI hob diagnostics is strongly recommended.

Source: manufacturer service documentation.

Common causes of E16

  1. 01

    Control board fault or internal diagnostic error

    Part replacement

    The main control board on FSI hobs monitors multiple subsystems simultaneously. An internal processing fault or a failed self-diagnostic check can trigger stored error codes including E16.

  2. 02

    FSI flame simulation circuit failure

    Part replacement

    The flame simulation display system has its own driver circuitry and LEDs. A fault in this dedicated circuit, such as a failed driver board or LED array, can register as an error code during operation.

  3. 03

    Loose or damaged wiring harness connection

    Wiring / connection

    Vibration and heat cycling can loosen connectors between the control board and other components. Inspecting all harness connections for secure seating and signs of heat damage is an important early diagnostic step.

  4. 04

    Induction generator board fault

    Part replacement

    The induction generator board powers the cooking zones and is monitored for out-of-range conditions. A fault on this board can cause the control system to log an error code and suspend operation.

  5. 05

    Transient power supply issue

    Wiring / connection

    A brief voltage irregularity or power interruption can cause the cooktop's control system to register a fault code. This type of error may clear after a full power cycle at the circuit breaker.

See the test procedure for each cause

Frequently asked questions about E16

What does E16 mean on a Thermador cooktop?
E16 is an error code listed in the fault table for Thermador FSI hob cooktops, which combine induction cooking with a flame simulation display feature. The code indicates that the cooktop's control system has detected a fault in one of its monitored subsystems. The specific subsystem involved requires hands-on diagnosis to identify. A power cycle is a reasonable first step, but if the code returns, professional service is needed.
Can I fix E16 on my Thermador FSI cooktop myself?
A basic power cycle by turning off the circuit breaker for 30 seconds and restoring power is a safe first step any homeowner can take. If the error clears and does not return, the fault was likely transient. However, if E16 persists, diagnosing the underlying cause requires accessing internal components and specialized knowledge of FSI hob architecture, which is best left to a qualified appliance technician.
Is it safe to use my Thermador cooktop while E16 is displayed?
When an error code is active on a Thermador FSI hob, the cooktop typically disables the affected zone or suspends operation entirely as a safety precaution. You should not attempt to bypass or ignore an active fault code. Discontinue use of the cooktop until the error has been diagnosed and resolved by a qualified technician.
Will resetting the cooktop clear the E16 error?
A power reset by switching off the dedicated circuit breaker for at least 30 seconds may clear the E16 code if the underlying cause was a temporary voltage fluctuation or transient control board issue. If the fault is caused by a failed component such as a driver board, control board, or wiring issue, the code will return after reset. A persistent E16 after multiple resets confirms a hardware fault that requires repair.
How much does it cost to repair a Thermador cooktop showing E16?
Repair costs depend heavily on which component has failed. A service call and diagnostic visit alone typically ranges from $80 to $150. If the repair involves replacing a control board or FSI driver circuit, total parts and labor costs can range from $250 to $600 or more depending on parts availability and local labor rates. Getting a written estimate after diagnosis is recommended before authorizing any repair.

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