Frank iStream iS18 Operating Instructions Manual page 24

14. The steam cleaner must not be put into operation if important parts are
damaged. e.g. connection cable, steam hose line, jet lance.
15. Maintenance and repair work may only be carried out by qualified persons with
the steam cleaner disconnected from the electrical mains.
16. Only the decalcifying agent approved by the manufacturer may be used for
decalcifying the steam generator.
17. Protective clothing must be worn during decalcification.
18. Only original spare parts and accessories from the manufacturer may be used.
19. The steam hose must not be used to transport the machine.
20. Only the steam nozzle supplied may be used (see "Technical data" on page 4).
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