[. . . ] Neither light, porous ceramic "stones" nor soft soapstones should be used in the heater. please note when placing the stones: · Do not drop stones into the heater. Place the stones sparsely to ensure that air can circulate between them. Pile the stones so that they support each other instead of lying their weight on the heating elements. [. . . ] According to established sauna conventions, you must not disturb other bathers by speaking in a loud voice. Do not force other bathers from the sauna by throwing excessive amounts of water on the stones. If you are in good health, you can have a swim if a swimming place or pool is available. Have a drink of fresh water or a soft drink to bring your fluid balance back to normal. Staying in the hot sauna for long periods of time makes the body temperature rise, which may be dangerous. Do not let young, handicapped or ill people bathe in the sauna on their own. Consult your child welfare clinic about taking little babies to the sauna. Be very careful when moving in the sauna, as the platform and floors may be slippery. Never go to a hot sauna if you have taken alcohol, strong medicines or narcotics. Do not hang clothes to dry in the sauna, as this may cause a risk of fire. All service operations must be done by professional maintenance personnel. Check that the fuses to the heater are in good 6 Turn the thermostat to a higher setting ( 1. Too tightly piled stones, the settling of stones with time or wrong stone type can hinder the air flow through the heater, which results in reduced heating efficiency. The sauna room heats quickly, but the temperature of the stones remain insufficient. Too tightly piled stones, the settling of stones with time or wrong stone type can hinder the air flow through the heater, which may result in overheating of surrounding materials. The hot heater may emphasize odours mixed in the air that are not, however, caused by the sauna or the heater. KV: The timer is a mechanical device and it makes a ticking sound when it is functioning normally. If the timer ticks even when the heater is switched off, check the timer's wiring. The thermal expansion of heater parts can cause noises when the heater warms up. The sauna room must be insulated carefully so that the heater output can be kept moderately low. [. . . ] A board, behind the panel, so that the fastening screws can be screwed into a thicker wooden material than the panel. If there are no boards behind the panel, the boards can also be fastened on the panel. Lift the heater onto the rack on the wall so that the ends of the fastening bars go into the holes in the bottom of the heater and the connecting box switches are easily accessible. The air flow spoiler must always be fastened on the wall side of the heater. [. . . ]