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Error code reference

Miele Dryer Error Code F98

No gas ignition after 10 attempts (T 982x gas dryer only).

Miele codesMiele dryer codes

No gas ignition after 10 attempts (T 982x gas dryer only).

First step from the service manual

Check gas supply is open, gasline pressure is available, exhaust passageway is clear, gas jet is clear, and ignition electrode is functioning.

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

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What F98 means on a Miele dryer

The F98 error code on the Miele T 982x gas dryer indicates that the appliance's ignition control system has attempted to ignite the gas burner 10 consecutive times without achieving a successful flame. Each ignition attempt involves the gas valve opening, the ignition electrode producing a spark, and the flame sensor confirming combustion. If the flame sensor does not detect a stable flame after all 10 attempts, the control board locks out the ignition sequence and displays F98 to protect against unburned gas accumulation.

The components involved in this sequence include the gas supply valve, the burner assembly gas jet, the ignition electrode, the flame sensor, and the exhaust pathway. A restriction in any of these areas can prevent successful ignition. Common failure points include a closed or low-pressure gas supply, a partially or fully blocked gas jet that restricts fuel flow to the burner, a fouled or cracked ignition electrode that cannot produce a reliable spark, and a blocked exhaust duct that disrupts airflow needed for combustion.

Because F98 involves a gas system lockout, all potential causes should be addressed methodically before resetting the unit. Confirm that the gas shutoff valve serving the dryer is fully open and that adequate line pressure is available. Inspect the exhaust duct for lint blockages or kinks. Examine the gas jet for debris and the ignition electrode for carbon buildup, cracking, or improper gap. If these external checks do not resolve the issue, internal components such as the gas valve solenoids or the ignition control board may require testing.

Source: manufacturer service documentation.

Common causes of F98

  1. 01

    Gas supply closed or insufficient pressure

    Wiring / connection

    If the gas shutoff valve behind the dryer is partially or fully closed, or if line pressure is too low, the burner will not receive enough fuel to ignite. Verify the valve is fully open and that other gas appliances in the home are functioning normally.

  2. 02

    Blocked or clogged gas jet

    Part replacement

    Debris or corrosion in the burner's gas jet can restrict fuel flow, preventing a combustible mixture from forming at the burner head. The jet should be inspected and carefully cleared or replaced if damaged.

  3. 03

    Faulty or fouled ignition electrode

    Part replacement

    The ignition electrode must produce a consistent spark to light the gas. Carbon buildup, cracking, or an incorrect electrode gap will result in a weak or absent spark across all 10 ignition attempts. Inspect the electrode for visible damage or contamination.

  4. 04

    Blocked exhaust duct or restricted airflow

    Wiring / connection

    A clogged or kinked exhaust duct limits the airflow required for proper combustion. Lint accumulation in the duct is a common cause and should be checked and cleared from the full length of the venting pathway.

  5. 05

    Failed gas valve solenoid

    Part replacement

    If the gas valve solenoids are not opening correctly, gas will not flow to the burner even when the ignition electrode is sparking. This requires electrical testing of the solenoids and typically necessitates replacing the gas valve assembly.

See the test procedure for each cause

Frequently asked questions about F98

What does F98 mean on a Miele dryer?
F98 means the dryer's gas burner failed to ignite after 10 consecutive attempts, causing the control board to lock out the ignition system. This code applies specifically to the Miele T 982x gas dryer. The lockout is a safety feature designed to prevent unburned gas from accumulating. The underlying cause must be identified and corrected before the dryer can operate normally.
Can I fix the F98 error myself, or do I need a technician?
Some causes of F98 are straightforward to check yourself, such as confirming the gas shutoff valve is fully open and inspecting the exhaust duct for lint blockages. However, diagnosing and servicing internal components like the ignition electrode, gas jet, or gas valve solenoids involves working on a gas appliance, which carries safety risks. If the basic external checks do not resolve the error, a qualified appliance technician should perform the repair.
Is it safe to use my Miele dryer while the F98 code is displayed?
No, you should not attempt to run the dryer while F98 is active. The code indicates a gas ignition failure, and continuing to operate the unit without addressing the cause could result in unburned gas being introduced into the appliance. Leave the dryer off and ensure the area is ventilated until the issue has been diagnosed and corrected.
Will resetting the dryer clear the F98 error code?
Resetting the dryer may clear the displayed code temporarily, but the error will return if the underlying cause has not been resolved. The ignition sequence will run again and lock out after another 10 failed attempts. A reset alone is not a repair and should only be performed after the gas supply, exhaust pathway, gas jet, and ignition electrode have been inspected and confirmed to be in good working order.
How much does it cost to repair a Miele dryer with an F98 error?
Repair costs depend on what is causing the ignition failure. If the fix is as simple as clearing a blocked exhaust duct or opening a gas valve, costs may be minimal, covering only a service call fee, which typically ranges from $75 to $150. Replacing components such as an ignition electrode or gas valve assembly will add parts and labor costs, with total repair bills commonly ranging from $200 to $500 or more depending on the specific parts needed and local labor rates.

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