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14. Press
OFF
to retract the funnel lock.
15. Press
NEXT
to advance to the next component to
be tested.
16. To test
REFILL VALVE
, press
ON
. If the refill valve
is functional, the sound of the valve operating will
be heard.
17. Press
OFF
to end testing of refill valve.
18. Press
NEXT
to advance to the next component to
be tested.
19. To test
TANK HEATER
, connect a voltmeter across
the tank heater to check for voltage.
20. Press
ON
. The correct voltage should be present at
the heater terminals.
21. Press
OFF
to end testing of the tank heater.
NOTE:
The tank heater will automatically turn off if left
on too long.
22. After testing the tank heater, press
NEXT
to ad-
vance to the next test.
23. The
HEATER CONTACTOR
is used only on certain
models. Check the machine schematic to see if the
contactor is present. Connect a voltmeter across
the tank heater and press
ON
to check that correct
voltage is present. Press
OFF
and confirm the
voltage is zero.
24. Press
NEXT
to return to
TEST OUTPUTS.
25. To exit
SERVICE TOOLS,
press and release the
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 of the brewer.
2. Place a server beneath the brew funnel.
3. Press and hold the ® pad until the display reads
SET NEW RECIPES.
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.
PROGRAMMING FUNCTIONS - LEVEL 2 (cont.)
SERVICE TOOLS (cont.)
Testing individual components (outputs):
This will allow the operator to test the operation of
individual components and outputs of the brewer. The
components that can be individually tested are as
follows:
Brew Valve
Bypass
Funnel Lock
Refill Valve
Tank Heater
Heater Contactor
Procedure to test components (outputs):
1. Place brew funnel into rails.
2. Place a server beneath the brew funnel.
3. Press and hold the ® pad until the display reads
SET NEW RECIPES.
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. Press and release
YES.
The display should read
BREW VALVE.
7. To test
BREW VALVE,
press
ON.
If the brew valve
is functional, water should run from the left brew
side.
8. Press
OFF
to end flow of water.
9. Press
NEXT
to advance to the next component to
be tested.
NOTE:
To bypass testing any component, press
NEXT
to advance to the next one, without testing the previ-
ous component.
10. To test
BYPASS
, press
ON
. If the bypass valve is
functional, water should run from the brewer
bypass.
11. Press
OFF
to end flow of water.
12. Press
NEXT
to advance to the next component to
be tested.
13. To test
FUNNEL LOCK
, press
ON
. If the funnel lock
is functional, the lock will come down to hold the
funnel in place.
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