(b)(4).Maquet determines that the power supply was not connected to a backup system.Due to the absence of a connection to a 24v backup circuit, the system was not able to switch to an external backup system when a failure occurred at the mains power.The maquet field service technician verified that the device was functional ; however, the customer assessed that a connection of the light system to a backup 24v circuit was still not necessary.In order to comply with the iec (b)(4) standard (particular requirements for the safety of surgical luminaires and luminaires for diagnosis), the maquet portfolio includes several models of devices and power supplies:
either equipped with a backup system, for major surgical lights that must comply with the "fail safe" requirement of the standard; or without integrated backup system, in case it is not a requirement of the standard (minor surgical luminaire, or luminaire for diagnosis).
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