PRECAUTIONS: Pepper mill: use only black, white or green, dried, whole pepper grains with a diameter not exceeding 5 mm. Pink berries can only be ground in a mixture (max 15% pink). The mill is also suitable for dried coriander seeds. MAINTENANCE: Electrical mills: if the light is off, check that the contacts of the tank and the actuator are clean, clean them with a dry cloth if necessary; make sure that the bulb is in position, if it is in position it may not come into contact, then remove it and reinsert it. If the engine does not work, it must be returned, together with the product, in its original packaging complete with a warranty certificate duly completed at the time of purchase.