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Hot Drink Center Set-Up Manual
6530007 B-1
March, 2001
APPENDIX B. THE INFRARED MUG/CUP SENSOR
The infrared mug/cup sensor can sense the presence of a mug or cup without
using moving parts.
Indicator Light
The sensor is equipped with an indicator light. This light will help you get the
best results from the infrared mug/cup sensor.
Under these conditions, the indicator light should be off:
• Machine door open
• Cup station in place
• No cup in the station
If it is on, it is indicating improper cup station alignment or excessive sensor sen-
sitivity.
Testing the light...Under these conditions:
• Machine door closed
• Cup station in place
• No cup in the station
Press any letter on the selection switch panel, for example, A. Only the letter A
should be showing in the message display. If “A MUG” is displayed, the sensor
thinks there is a mug in the station. The fault could be one or more of the follow
-
ing:
• Improper cup station alignment
• Excessive sensitivity (the sensor is sensing the delivery door)
• Cup station lens is not clean
Cleaning
As indicated in the Sanitation section, you should remove the cup station to clean
it. Pay particular attention to the dark colored infrared mug/cup sensor lens,
which is part of the cup station. If it is not thoroughly cleaned, the sensor will not
work properly.
CAUTION
Do not get liquid inside the sensor unit.
Cleaning the infrared mug/cup sensor unit itself is not usually necessary. If it
does require cleaning, just wipe it with a damp cloth.