Bunn SNG0033000 用户手册

Page 37

NOTE: The tank heater will automatically turn off if 

left on too long.

26.  After testing the tank heater, press NEXT to advance 

to the next test.

27. The HEATER CONTACTOR is used only on certain 

models. Check the machine schematic to see if the 

contactor is present. Connect a voltmeter across a 

tank heater that is operated by the contactor and 

press ON to check that correct voltage is present. 

Press OFF and confirm the voltage is zero.

28. Press NEXT to return to TEST OUTPUTS.

29. To exit SERVICE TOOLS, press and release the 

ON/OFF switch (either on DUAL brewers) located 

on the front switch panel. This will return to the 

MAIN SCREEN.

This function allows the operator to test the opera-

tion of the individual switches on the front panel.

1.  Place brew funnel(s) into rails on the brewer (both 

sides on DUAL brewers).

2.  Place a Soft Heat server(s) beneath the brew 

funnel(s).

3.  Press and hold the upper right hidden switch until 

display reads UNITS. Release the switch. Continue 

to press and release switch 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 except the upper right hidden 

switch.  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 and re-

lease the right hidden switch (®). This will return 

to TEST SWITCHES?. Press and release switch 

again to advance to TEST SERVERS?. Another 

alternative is to press and release the ON/OFF 

switch (either on DUAL brewers) located on the 

front switch panel. This will exit TEST SWITCHES 

and return to the MAIN SCREEN.

This function allows the operator to test the opera-

tion of the Soft Heat servers. It will also show if the 

server is correctly placed on the brewer stand.

1.  Place brew funnel(s) into rails on the brewer (both 

sides on DUAL brewers).

2.  Place a Soft Heat server(s) beneath the brew 

funnel(s).

3.  Press and hold the upper right hidden switch until 

the display reads UNITS. Release the switch. Con-

tinue to press and release switch 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. This ad-

vances to TEST SWITCHES?. Press and release 

NO once more. The display should now read TEST 

7. Press YES in the TEST SERVER(S) screen to show 

if a server is in place. The display should read IN 

PLACE (with arrows pointing to the left and right 

on DUAL brewers).

8.  Lift and pull both Soft Heat servers forward about 

2 inches so that the two contacts on each server 

do not touch the two contacts on the brewer.

9.  The display should then read SERVER REMOVED 

(with arrows pointing to the left and right on DUAL 

brewers).

10. After the server(s) have been tested, press and re-

lease the ON/OFF switch (either on DUAL brewers)  

located on the front switch panel. This will exit TEST 

SERVERS  and return to the MAIN SCREEN.

1.  Place brew funnels into rails on both sides of 

brewer.

2.  Place a Soft Heat server beneath each brew fun-

nel.

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