A steris technician arrived onsite to inspect the lighting system and found that the touchscreen to their lighting system was sticky and had visible cleaning solution spots on it.The technician replaced the chassis assembly which includes the touchscreen, tested the lighting system, and found to be operating according to specifications.The lighting system was returned to service.The cleaning solution spots on the touchscreen observed by the technician is indicative of improper cleaning practices by user facility personnel subsequently causing the touchscreen to not work properly.The harmony air surgical lighting system e series operator manual states (section 6.1), "cleaning and disinfecting agents used on this lighting system must be certified by their manufacturer to be compatible with the following materials: polycarbonate (pc), thermoplastic elastomer (tpe), silicone, syndiotactic polystyrene (sps).Additionally, the harmony air surgical lighting system e series operator manual states (section 6.1), "do not spray any cleaning product directly onto the lighthead, touch panel control unit (tpcu) or any system components.Clean tpcu with a clean, lint-free cloth dampened with 90% isopropyl alcohol.For other system components, dampen a clean, soft cloth with the cleaning solution and wring out the excess moisture." while onsite, the technician counseled facility personnel on the importance of proper cleaning practices.No additional issues have been reported.
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