E:24
Bosch · WTG86401UC 4.0 cu ft 300 Series Condensation Dryer
The control module has detected a hardware fault in its own circuitry. This is an internal control board failure. Disconnect power for 5 minutes to attempt a reset. If the code persists, the control board must be replaced. Check power supply voltage before replacing — sustained over-voltage or under-voltage can damage control boards.
Error E:24 on the Bosch WTG86401UC 4.0 cu ft 300 Series Condensation Dryer means: Control Module — Hardware Fault. The top-ranked community fix is “Test Power Supply and Replace Control Board” (medium difficulty, ~75 min, DIY cost: $0-$20). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · dryer
Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.
While many dryer repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $200-$300.
Restricted Exhaust Vent
Maximum Drying Time Exceeded
Heater Relay Stuck Open
Drum Motor Not Rotating
Restricted Exhaust — Secondary Alert
Restricted Exhaust — Tertiary Alert
Maximum Drying Time Exceeded — Repeated
Lint Screen Temperature Sensor Error
The Bosch WTG86401UC 4.0 cu ft 300 Series Condensation Dryer has 8 other known error codes:
Error code E:24 also appears on 3 other Bosch models:
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