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Error code reference

Miele Oven Error Code F195

Roast probe electronic communication fault

Miele codesMiele oven codes

Roast probe electronic communication fault - wiring/plugs between roast probe electronic (N1-6) and power electronic (N1-1) defective.

First step from the service manual

Check the plug for correct seating and contact. Check wiring. Replace defective wiring with plugs.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What F195 means on a Miele oven

F195 on a Miele oven indicates a communication fault between the roast probe electronic module (identified as N1-6) and the power electronic module (identified as N1-1). These two control boards must exchange data signals to properly operate the roast probe (meat probe) function. When the wiring or connector plugs between these two modules are damaged, corroded, or unseated, the signal cannot travel reliably and the oven triggers F195 to alert the technician that communication has broken down.

The roast probe system allows the oven to monitor internal food temperature and control the cooking cycle accordingly. N1-6 handles the probe input signal processing while N1-1 manages the overall power and operational control. The connection between them is critical, and any interruption in that wiring path will cause this fault. Common physical causes include connectors that have worked loose due to vibration, wiring insulation that has degraded from heat exposure inside the oven cavity, or pins within the connector plugs that have corroded or bent out of position.

Diagnosis should start with a thorough inspection of all plugs connecting N1-6 to N1-1, pressing each connector firmly to confirm full seating and checking for any signs of arcing, melting, or corrosion on the pins. If the connectors appear intact, the wiring harness itself should be traced for chafing, breaks, or heat damage. If damaged wiring or defective plugs are found, replacement of the harness section with plugs is the recommended corrective action.

Source: manufacturer service documentation.

Common causes of F195

  1. 01

    Loose or improperly seated connector plug

    Wiring / connection

    The connector plug between N1-6 and N1-1 may have worked loose over time due to vibration or previous servicing. Check each plug by pressing firmly to reseat and confirm no pins are bent or partially disengaged.

  2. 02

    Corroded connector pins

    Part replacement

    Moisture or heat cycling inside the oven can cause the pins within the connector plugs to oxidize or corrode, increasing resistance and disrupting communication. Inspect pins visually for discoloration, pitting, or residue.

  3. 03

    Damaged wiring harness

    Part replacement

    The wiring between N1-6 and N1-1 runs through a high-heat environment and can develop cracks, chafing, or breaks in the insulation over time. Trace the full harness length and flex the wires gently to check for intermittent breaks.

  4. 04

    Burned or melted connector housing

    Part replacement

    A localized overheat event can melt the plastic connector housing, causing poor contact or a short within the plug. Look for discoloration, deformation, or a burnt smell near the connector bodies.

  5. 05

    Faulty roast probe electronic module (N1-6)

    Part replacement

    If all wiring and connectors check out as intact and properly seated, the N1-6 module itself may have failed internally. This is a less common cause and should only be considered after the wiring path has been fully ruled out.

See the test procedure for each cause

Frequently asked questions about F195

What does F195 mean on a Miele oven?
F195 indicates a communication fault between the roast probe electronic module (N1-6) and the power electronic module (N1-1). The fault points specifically to defective wiring or connector plugs in the signal path between these two boards. The oven uses this communication link to operate the meat probe temperature monitoring function. When that link fails, the oven triggers F195 and requires inspection of the relevant wiring and connectors.
Can I fix F195 on my Miele oven myself?
A knowledgeable DIYer can attempt the initial diagnostic steps, which involve checking that all connector plugs between the two modules are fully seated and free of corrosion. However, accessing the internal wiring on a Miele oven requires disassembly, and working near high-voltage components carries risk. If wiring replacement is needed, a qualified appliance technician is recommended to ensure safe and correct repair.
Is it safe to use my Miele oven while F195 is displayed?
F195 disables or disrupts the roast probe function, so using the probe feature would not be reliable while this fault is active. Whether the oven will operate in standard bake or roast modes depends on how the unit handles the fault state. It is best to resolve the fault before relying on the oven, particularly for any cooking that depends on the meat probe for food safety.
Will resetting the oven clear the F195 error code?
A power reset may temporarily clear the displayed error, but F195 will return if the underlying wiring or connector fault is still present. The communication fault between N1-6 and N1-1 is a hardware issue that cannot be resolved by resetting alone. A lasting fix requires physical inspection and repair or replacement of the defective wiring and plugs.
How much does it cost to repair a Miele oven showing F195?
Repair costs vary depending on what is actually faulty. If the issue is simply a loose connector plug, the labor cost for a diagnostic service call is typically the main expense, which can range from roughly 80 to 150 dollars depending on your area. If wiring harness replacement is required, parts and labor combined could range from 150 to 400 dollars or more. If the N1-6 module itself needs replacement, costs will be higher given the price of Miele control components.

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