The Bosch WTA 3510 Dryer has some known problems that occur often. Here are some easy to do solutions for the problems or error codes your Bosch might be giving you.
The On/Off button has not been depressed, a fuse may have blown or a circuit breaker tripped, or the bulb has failed.
The condensate hose is blocked, the heat exchanger needs cleaning, or the air inlet is blocked.
Indicates faulty operation.
The moisture sensors in the drum are dirty, there is an inadequate supply of fresh air, or the lint filter is blocked.
The On/Off button has not been pressed.
The lint filter needs cleaning.
The door is not securely closed.
The room temperature is too low for the dryer to operate efficiently.