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SCR FIELD SERVICE GUIDE
Information subject to change without
Part Number :252851027
3. MMI WARNING AND ERROR CODES
Each MEI® Acceptor Module is equipped with a Man-Machine-Interface (MMI) panel,
located on the front face. This panel is used to indicate the device’s internal state and
highlight if the SCR® currently has an error or fault. For indication, three LEDs are
used: Green, Yellow (Amber) and Red.
Image 13, MMI Indicator Panel Image 14, MMI w/ LEDs
In addition to the Acceptor Module, one Green LED is provided on the front face of
the Transport Module
Image 15
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