Brand: BOSCH
Category: Dryer
Document Type: Manual
Language: EN
Brand: BOSCH
Category: Dryer
Document Type: Manual
Language: EN
Uploaded: Nov. 21, 2025, 8:06 p.m.
1 Year Full Limited Warranty, 2 Year Limited Warranty on parts, 5 Year on Electronics, Motor, and Cabinet Rust. Lifetime on Stainless Steel Rust.
| PROBLEM | POSSIBLE CAUSE |
|---|---|
| "On/Off" Indicator light does not come on | The "On/Off" has not been depressed. A fuse may have blown or a circuit breaker tripped. Replace fuse or reset circuit breaker at your fuse box/breaker box. The plug is not correctly or only loosely inserted into the receptacle. |
| Dryer does not start | Cycle has not been selected. 'Start' button has not been depressed. Door is not closed properly. Room temperature is below 32 °F (0 °C). If necessary, switch the machine off and wait 5 seconds before switching it on again. Select the cycle again and depress 'Start'. |
| Cycle is interrupted and "Lint Filter" light is illuminated and buzzer sounds | Clean Lint Filter as described in section titled CARE and CLEANING. (WTA models) Check exhaust vent to see if it is blocked or too long. (WTL models) Clean heat exchanger as described in section titled CARE and CLEANING. (WTL models) Check air inlet to make sure it is not blocked. |
| Cycle is interrupted, buzzer sounds, one or several cycle indicators are flashing | Indicates faulty operation: Clean the Lint Filter, check the exhaust duct length (WTA models), Switch the dryer off, wait for it to cool down and then restart. |
| Drying level not reached or drying time too long | Clean the Moisture sensors in the drum as described in section titled CARE and CLEANING. If there is a power failure for an extended period the cycle must be restarted. |
| The laundry is not dry even though the highest drying level has been selected | The drum is too full. The laundry was too wet when placed in the dryer. The room is not adequately ventilated. Make sure there is an adequate supply of fresh air. The lint filter is blocked and should be cleaned. (WTA models) The exhaust vent is blocked or too long. (WTL models) The air inlet is blocked. |
| Drum light does not work | "On/Off" button has not been pressed. Bulb has failed. For safety reasons the bulb must only be replaced by an authorized service agent. |
| Cycle is interrupted and "E1" appears in display (WTL models only) | Condensate hose is blocked in some way. Turn off dryer and check hose. |
| Humidity level in room increases greatly | The room is not adequately ventilated. Make sure there is an adequate supply of fresh air. Check air inlet to see if it is blocked. The heat exchanger was removed but not replaced. |