Make sure that the light intensity is set to “low” before turning on. Otherwise the cold lamp will receive a high current and the chance of the lamp burning out is higher. Turn the intensity to low also before switching off. LEDs are not sensitive in this respect, but I still recommend to stick to the recommended procedure.
- Make sure that the microscope is turned off and that the light intensity is set to “low”.
- Plug in the microscope.
- Turn the microscope on. The lamp should not go on.
- Now increase the light intensity to an acceptable level.