The Bosch WTMC3321US 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.
Fault in program sequence or malfunction.
The display shows '000'.
This is not an indication of a problem.
Program has been interrupted. Degree of drying has not been reached or the drying time is too long.
The temperature of the drying process is reduced, the drying time is extended.
The 'Start/Stop' button not pressed or door not closed.
Possible causes: lightbulb defective or burned out, no power supply, lightbulb is loose.
This may cause the dryer to not function properly.
This may affect the drying process.
This can occur if the maximum drying time was exceeded.