Operating instructions
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5.
MAINTENANCE
5.1. G
ENERAL INFORMATION
.
SERENITY NEXT chairs were conceived to not require any servicing during their working life. Consequently, it is not required to
perform any adjustment of the equipment. If the chair will not be used for several days, it is recommended to cover it with a cloth,
to turn off the main switch, and to disconnect the plug from the socket.
If the SERENITY NEXT is used according to the technical specifications and operating instructions specified in this manual, the
expected service life has been calculated in at least 10 years, based on laboratory simulations.
After that time, the chair needs to be serviced by qualified personnel, especially the electronic parts and the ones subject to wear.
WARNING.
Qualified service technicians must carry out any technical adjustments or repairs not listed in this chapter.
5.2. C
LEANING
.
For a better and longer life of the equipment, it is necessary to perform an accurate, methodical and periodical general cleaning
of the chair. It is recommended to proceed as follows.
CAUTION.
The use of disinfectants or detergents with a strong alcoholic content on the plastic components of the
apparatus may damage the surface of the product, especially the upholstery.
It is recommended to avoid the use of any dissolvent, strong detergent or abrasive agent, even to remove
“difficult” stains.
5.2.1.
Upholstery.
The fabric that covers the chair upholstery has to be cleaned using the liquid contained in the bottle kit supplied with the chair,
using a soft cloth to avoid any surface scratching and to guarantee a better elasticity and smoothness of the surface.
NOTE.
Once the liquid detergent has been consumed, please contact the nearest assistance centre for new product.
5.2.2.
Plastic or metallic parts.
The polyurethane parts, as well as the metal parts (painted and not) have to be cleaned with a soft cloth dipped in water and soap.
5.3. M
AIN FUSES REPLACEMENT
.
The SERENITY NEXT chair is equipped with a double overloading protection.
The two fuses are located in the lower part of the base, over the main switch, as indicated in figure 6.
FIG. 6
FUSES