Bunn ITCB Manual De Usuario
Page 56
PROGRAMMING THE BREWER (cont.)
PROGRAMMING FUNCTIONS - LEVEL 2 (cont.)
SERVICE TOOLS
This function allows the testing of individual components
and the ability to check switches for proper function. This
function also tests the funnel sensor coil’s frequency
(diagnostic tool for troubleshooting purposes only).
This function allows the testing of individual components
and the ability to check switches for proper function. This
function also tests the funnel sensor coil’s frequency
(diagnostic tool for troubleshooting purposes only).
Procedure to test components and outputs:
The following components can be individually tested:
Brew Valve
Dilution Valve
Refi ll Valve
Tank Heater Relay
Tank Heater Triac
The following components can be individually tested:
Brew Valve
Dilution Valve
Refi ll Valve
Tank Heater Relay
Tank Heater Triac
1. Place a funnel into the rails of the brewer.
2. Place a server beneath the funnel.
3. Press and hold the right hidden button until the dis-
2. Place a server beneath the funnel.
3. Press and hold the right hidden button until the dis-
play reads SET LANGUAGE. Press the right hidden
button until the display reads SERVICE TOOLS.
button until the display reads SERVICE TOOLS.
4. Press and release YES. The display should now
read TEST OUTPUTS? Press and release YES to
test individual components and outputs. Pressing
NO will advance to the next programming function,
TEST SWITCHES.
test individual components and outputs. Pressing
NO will advance to the next programming function,
TEST SWITCHES.
5. The display should now read BREW VALVE. To
test the brew valve, press ON. If the brew valve is
functional, water should run from the funnel.
functional, water should run from the funnel.
6. Press
OFF to end the fl ow of water.
7. Press
NEXT to advance to the next component to
be tested.
NOTE: To bypass testing any component, press NEXT
to advance to the next component without testing the
previous one.
to advance to the next component without testing the
previous one.
8. The display should now read DILUTION. To test
the dilution valve, press ON. If the dilution valve is
functional, water should run from the nozzle.
functional, water should run from the nozzle.
9. Press
OFF to end the fl ow of water.
10. Press NEXT to advance to the next component to
be tested, REFILL VALVE.
11. To test the REFILL VALVE, press ON. If the refi ll
valve is functional, the sound of the valve operating
will be heard.
will be heard.
12. Press OFF to end testing of the refi ll valve.
13. Press NEXT to advance to the next component to
13. Press NEXT to advance to the next component to
be tested, TANK HEATR RELAY.
14. To test the tank heater relay, connect a voltmeter
across each of the tank heaters to check for volt-
age.
age.
15. Press ON. The correct voltage should be present
at the heater terminals.
16. Press OFF to end testing of the tank heater relay.
NOTE: The tank heater will automatically turn off if left
on too long.
on too long.
17. Press NEXT to advance to the next component to
be tested, TANK HEATR TRIAC.
18. To test the tank heater triac, connect a voltmeter
across each of the tank heaters to check for volt-
age.
age.
19. Press ON. The correct voltage should be present
at the heater terminals.
20. Press OFF to end testing of the tank heater triac.
21. Press NEXT to TEST OUTPUTS?. To exit program-
21. Press NEXT to TEST OUTPUTS?. To exit program-
ming, press and release the ON/OFF button to return
to the MAIN SCREEN.
to the MAIN SCREEN.
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