Test Servers; Test Frequency - Bunn Dual SH Installation And Operating Manual

PROGRAMMING FUNCTIONS - LEVEL 2 (cont.)
SERVICE TOOLS (cont.)
®
2. Place a Soft Heat
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. In TEST OUTPUTS screen, press NO. This ad-
vances 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 NOTH-
ING 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 and
release either of the ® buttons located on the front
switch panel. This will exit TEST SWITCHES and
return to the MAIN SCREEN.
Procedures to test servers:
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 funnels into rails on both sides of
brewer.
2. Place a Soft Heat ®
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. 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
server beneath each brew
server beneath each brew
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
SERVERS
7. Press YES in the TEST SERVERS screen to show
if a server is in place. The display should read IN
PLACE with arrows pointing to the left and right
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.
10. After the servers have been tested, press and
release either of the
switch panel. This will exit TEST SERVERS and
return to the MAIN SCREEN.
Procedures to test coil frequency:
1. Place brew funnels into rails on both sides of
brewer.
2. Place a Soft Heat
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. 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
either of the
panel. This will exit the TEST FREQUENCY func-
tion and return to the MAIN SCREEN.
NOTE: If the operator wishes to test more than one
function in the SERVICE TOOLS section (outputs,
switches, servers, or coil frequency), it is not
necessary to exit the program. Use the flow chart
for SERVICE TOOLS to navigate to a particular
function.
Page 34
pads located on the front
®
server beneath each brew
pads located on the front switch
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