mypros+
Error code reference

Thermador Range Error Code 14

Fault code indicated by first LED blinking 1 time followed by second LED blinking 4 times.

Fault code indicated by first LED blinking 1 time followed by second LED blinking 4 times.

MyPros+ Max

Get the full diagnostic procedure for 14.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What 14 means on a Thermador range

Error code 14 on a Thermador range is communicated through a two-stage LED blink sequence: the first LED blinks once, pauses, and then the second LED blinks four times. This blink pattern is the control board's method of encoding a fault condition in ranges that use LED indicators rather than a digital display for error reporting. Interpreting the code correctly requires watching the full sequence, as the two groups of blinks together form the complete fault identifier.

Because no specific first diagnostic step is documented for this code, technicians should approach diagnosis systematically. The blink sequence format used by Thermador in these models follows a positional logic similar to a two-digit fault code, where the first group represents the tens digit and the second group represents the units digit, yielding fault 14. This type of coding scheme is common in Thermador's LED-based control systems and points to a fault registered within the main control board's monitoring circuits.

The most productive starting point is a visual inspection of the control board and its connected wiring harnesses, followed by checking any sensors or components associated with the specific subsystem fault 14 targets. Intermittent faults in this code range are often related to wiring integrity, connector corrosion, or a control board that has logged a condition outside its expected parameters. Clearing the fault by cycling power may temporarily suppress the blink sequence, but if the underlying condition persists, the code will return.

Source: manufacturer service documentation.

Common causes of 14

  1. 01

    Control Board Fault

    Part replacement

    The main control board may have detected an out-of-range condition or internal fault and stored code 14. Inspect the board for signs of burning, corrosion, or damaged components.

  2. 02

    Wiring Harness or Connector Issue

    Wiring / connection

    Loose, corroded, or damaged connectors between the control board and other components can trigger fault codes. Check all harness connectors for secure seating and signs of heat damage or oxidation.

  3. 03

    Sensor Malfunction

    Part replacement

    A temperature sensor or other monitoring sensor reporting a value outside acceptable limits can cause the control board to log this fault. Inspect sensors and their wiring for damage or open circuits.

  4. 04

    Intermittent Power Supply Issue

    Wiring / connection

    Voltage fluctuations or an unstable power supply to the control board can cause spurious fault codes. Verify that the range is receiving stable, correct voltage at the terminal block.

See the test procedure for each cause

Frequently asked questions about 14

What does 14 mean on a Thermador range?
Error code 14 on a Thermador range is indicated by the first LED blinking one time followed by the second LED blinking four times. This blink sequence signals a fault condition that the control board has detected and logged. The specific subsystem involved requires further diagnosis, as no single root cause is universally documented for this code. A qualified technician should inspect the control board, wiring harnesses, and sensors to identify the source.
Can I fix error code 14 on my Thermador range myself?
Some causes of code 14, such as a loose wiring connector, may be accessible to a knowledgeable DIYer who is comfortable working with appliance electronics. However, if the fault involves the control board or a faulty sensor, those components typically require replacement and should be handled by a technician. Always disconnect power before inspecting any internal components.
Is it safe to use my Thermador range when error code 14 is displayed?
It is not recommended to continue using the range while an active fault code is present. The blink sequence indicates the control board has detected an abnormal condition, and operating the appliance in this state could worsen the underlying problem or create a safety risk. Power down the range and schedule a diagnostic service call before resuming use.
How much does it cost to repair a Thermador range showing error code 14?
Repair costs vary depending on the root cause. A wiring or connector fix may cost relatively little in parts, while a control board replacement on a Thermador range can run anywhere from $200 to $600 or more in parts alone, not including labor. Getting a diagnostic service call first is the best way to get an accurate estimate for your specific situation.
Will resetting my Thermador range clear error code 14?
Cycling power to the range by unplugging it or turning off the circuit breaker for several minutes may temporarily clear the blink sequence. However, if the underlying fault condition still exists, the code will return once the range is powered back on and the control board re-detects the problem. A reset is useful for confirming whether the fault is intermittent, but it does not substitute for proper diagnosis and repair.

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass