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Quick answer
A chemical or plastic smell from a brand-new AEG washer-dryer can be normal after unpacking and should fade over the first few drying cycles. First separate that new-product odor from a burning smell, smoke, abnormal heat, or a smell that persists or worsens. Clean and ventilate only as the AEG instructions allow; unplug and arrange service for burning odor or electrical warning signs.

Work through in order
Diagnostic checks
Use only checks that match the exact appliance or system and its official guide.
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Check 1
With the appliance cool and switched off, identify the odor timing and character from outside: after unpacking, during the first drying cycles, during a wash, or while idle; describe it as plastic/packaging, detergent, musty, or burning.
Expected result: The smell is a mild new-material odor that is already fading, or it is burning-like, smoky, sharp, worsening, or present while idle.
Next step: If it is burning-like or accompanied by smoke/heat, stop, unplug when safe, and arrange authorized service. Otherwise continue with the visible first-use checks.
Why this matters
Why: AEG’s manual says an unusual smell after unpacking can occur and fade over a few drying cycles. Burning-like odor, smoke, abnormal heat, or a worsening smell is not explained by that first-use note.
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Check 2
Check that all transport packaging, labels, and loose packing debris have been removed from accessible areas without moving the appliance or opening a panel.
Expected result: No packaging remains, or plastic/film/debris is visibly close to a hot or moving area.
Next step: Remove only loose, reachable packaging with the appliance disconnected and cool. If anything is trapped, melted, or inaccessible, leave it and arrange service.
Why this matters
Why: Residual packaging can create an odor during initial operation; a clear accessible area does not identify an internal fault.
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Check 3
For a non-burning odor, clean the accessible detergent drawer, door seal, and exterior as AEG describes, then run the model-approved maintenance wash only with the appliance unplugged during cleaning.
Expected result: Residue or mould is visible and the odor improves after cleaning, or the odor is unchanged or stronger.
Next step: Use only the exact model instructions for chemicals and temperature. Do one controlled retest; do not dismantle the machine or mix cleaners.
Why this matters
Why: Residue, mould, detergent buildup, or limescale can create unpleasant smells; unchanged odor after proper maintenance points away from a simple accessible buildup.
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Check 4
After the maintenance check, observe one supervised cycle from a safe position and check for leaks, an error, unusual heat, smoke, or a smell that returns during drying.
Expected result: The odor fades and the cycle completes normally, or the odor returns with heat, poor performance, a leak, an error, or electrical warning signs.
Next step: Stop use and keep the washer-dryer disconnected when safe if the odor returns strongly or any warning symptom appears; provide the technician the cycle phase and model/serial details.
Why this matters
Why: A fading odor with normal operation supports first-use or maintenance residue. Recurrence with heat, leak, error, smoke, or burning character requires diagnosis.
Use your observations
Decision map
Find the observation that best matches what you see, then follow the next safe action.
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PATH 01Next step
What you see
The washer-dryer is brand new, the odor is mild plastic/packaging-like, it occurs during initial drying, and it fades across the first few drying cycles.
Do this next
Ventilate the room, follow the exact operating instructions, and monitor one supervised cycle at a time. Stop if the character changes or the smell does not fade.
Why this path and its safety boundary
Why it matters: This matches AEG’s first-use guidance more closely than a confirmed component failure.
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PATH 02Next step
What you see
The odor is musty or detergent-like, residue is visible in the drawer/seal, and there is no smoke, abnormal heat, burning character, or leak.
Do this next
Unplug before cleaning, follow AEG’s drawer/seal/filter and maintenance-wash guidance, then retest once and check for leaks.
Why this path and its safety boundary
Why it matters: An accessible maintenance source is plausible, but cleaning result is needed before inferring anything internal.
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PATH 03Next step
What you see
The smell is burning-like, smoky, sharp, worsening, present while idle, or paired with abnormal heat, smoke, sparking, repeated trips, or a leak.
Do this next
Stop use, unplug or isolate power only if safe, keep clear of smoke, and contact an AEG Authorized Service Center; do not repeat the cycle.
Why this path and its safety boundary
Why it matters: This crosses the electrical/appliance safety boundary and is not a normal new-product odor.
Helpful context
Understand the symptom
A brand-new washer-dryer is a different decision from an older machine developing a musty or chemical odor. Note when the smell begins: immediately after unpacking, during drying heat, after a wash, or while idle.
The safe decision is driven by the smell’s character and trend. A fading new-material smell can be monitored, while burning, smoke, heat, or persistent odor needs a service boundary.
When checks do not resolve it
Need a professional?
Arrange AEG authorized appliance service if the chemical odor does not fade after the initial drying cycles or after the documented cleaning check, or if it returns with a leak, error, poor performance, or abnormal heat. For a burning smell, smoke, sparking, hot plug/socket, or repeated electrical trips, stop immediately and isolate power only if safe.
Common questions
FAQ
How long should a new AEG washer-dryer smell like chemicals?
AEG’s opened manual says an unusual smell after unpacking can be normal and should fade after a few drying cycles. If it stays strong, worsens, or changes to a burning smell, stop use and arrange service.
Should I run a hot cleaning cycle for the smell?
AEG’s support guidance recommends unplugged cleaning and a 90°C maintenance wash for unpleasant washer-dryer odors. Use the exact model instructions and approved cleaner, and stop if there is a burning smell or electrical warning.
Is a burning smell the same as a new plastic smell?
No. A fading odor after unpacking is covered by AEG first-use guidance; burning odor, smoke, abnormal heat, or sparking needs immediate stop-use and authorized service.
Read the exact guide
Official sources
- User Manual TR818P4B Tumble DryerAEG · AEG first-use guidance for a brand-new laundry appliance and unusual smell after unpacking
- Washer dryer emits unpleasant smell, how to clean the washer-dryerAEG · AEG washer-dryer odor cleaning and maintenance
- Washing machine emits a burning smellAEG · AEG washer-dryer burning-smell safety boundary
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