Specifications

Page 37
SERVICE TOOLS (cont.)
PROGRAMMING FUNCTIONS - LEVEL 2 (cont.)
15. Press NEXT to advance to the next component to
be tested.
16. To test WARMER, press ON. If the warmer is
functional, the light on the lower right corner of
the warmer switch will illuminate.
17. Press OFF to end testing of server.
18. Press NEXT to advance to the next component to
be tested.
19. To test REFILL VALVE, press ON. If the refill valve
is functional, the sound of the valve operating will
be heard.
20. Press OFF to end testing of refill valve.
21. Press NEXT to advance to the next component to
be tested.
22. To test TANK HEATER, connect a voltmeter to the
tank heater to check for voltage.
23. Press ON. The correct voltage should be present
at the heater terminals.
24. Press OFF to end testing of the tank heaters.
NOTE: The tank heater will automatically turn off if
left on too long.
25. After testing the tank heater, press NEXT to advance
to the next test.
26. Press NEXT to return to TEST OUTPUTS.
27. To exit SERVICE TOOLS, press the "ON/OFF/
LOWER" pad located on the front switch panel.
This will return to the MAIN SCREEN.
Procedure to test switches:
This function allows the operator to test the opera-
tion of the individual switches on the front panel.
1. Place brew funnel into rails on the brewer.
2. Place a server beneath the brew funnel.
3. Press and hold the ® pad until the display reads
WARMER OFF. Release the ® pad. Continue
pressing and releasing the ® pad until SERVICE
TOOLS appears.
4. Press YES to run tests on various components
and outputs within the brewer. (Pressing NO will
exit this function and advance to the next function
screen.)
5. The display should read TEST OUTPUTS.
6. In TEST OUTPUTS screen, press NO. This advances
to TEST SWITCHES.
7. Pressing NO in this screen will advance to the
next function. Press YES in the TEST SWITCHES
screen to test the switches. The display will read
NOTHING PRESSED.
8. From this screen, press any of the switches on the
front of the brewer. While the switch is pressed,
the display shows the name of that switch. If the
name does not appear, or if it remains after the
switch has been released, the switch is defective.
Each switch can be tested in this manner.
9. After all switches have been tested, press the ®
pad located on the front switch panel. This will
exit TEST SWITCHES and return to the MAIN
SCREEN.
Procedures to test coil frequency:
1. Place brew funnel into rails of the brewer.
2. Place a server beneath the brew funnel.
3. Press and hold the ® pad until the display reads
WARMER OFF. Release the ® pad. Continue
pressing and releasing the ® pad until SERVICE
TOOLS appears.
4. Pressing NO will exit this function and advance to
the next function screen. Press YES to run tests
on various components and outputs within the
brewer.
5. The display should read TEST OUTPUTS.
6. In TEST OUTPUTS screen, press NO. Continue to
press and release NO until the display reads TEST
FREQUENCY.
7. Press and release YES. The display will show the
frequency of the sensor coil circuits. This is for
diagnostic service use when troubleshooting this
circuit.
8. After the coils have been tested, press and release
the "ON/OFF/LOWER" pad located on the front
switch panel. This will exit the TEST FREQUENCY
function and return to the MAIN SCREEN.
NOTE: If the operator wishes to test more than one func-
tion in the SERVICE TOOLS section (outputs, switches,
warmers, or coil frequency), it is not necessary to exit
the program. Use the flow chart for SERVICE TOOLS
to navigate to a particular function.
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