Bunn Dual SH BrewWISE, Technical Training Manual

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Dual SH BrewWISE ® Training Manual
22
Troubleshooting and Repair
Service Tools
The Dual BrewWISE
®
brewer features on-board troubleshooting. Since all of the machine’s components are con-
trolled or activated by the control board you can activate and test components individually from the user interface.
This allows you to listen to solenoid valves opening, observing the
fl ow of water or test to see if a component is
receiving voltage using a meter.
The Service Tools option is located in Level 2 of the programming. Enter Level 2 programming by pressing and hold-
ing the right hidden switch for 5 seconds. Use the right hidden switch to scroll to the “Service Tools” screen.
Press the Control button to select “Yes”. This will enter the “Service Tools” feature.
In the “Service Tools” selection their are 4 screens available, by selecting “Yes”, you will enter that test function, by
selecting “No” you will move to the next test.
Test Outputs supplies voltage to load components in the brewer.
Tests the inputs from the membrane switch.
The machine will indicate if it sees a server in place or missing.
Indicates the transmit frequency of the funnel sensing coils.
Test Outputs
TEST OUTPUTS?
NO YES
TEST SWITCHES?
NO YES
TEST SERVERS?
NO YES
TEST FREQUENCY?
NO YES
LEFT BREW VALVE
ON OFF NEXT
LEFT BYPASS
ON OFF NEXT
LEFT FUNNEL LOCK
ON OFF
NEXT
LEFT SERVER
ON OFF NEXT
RIGHT BREW VALVE
ON OFF NEXT
RIGHT BYPASS
ON OFF NEXT
RIGHT FUNNEL LOCK
ON OFF NEXT
RIGHT SERVER
ON OFF NEXT
REFILL VALVE
ON OFF NEXT
TANK HEATERS
ON OFF NEXT
HEATER CONTACTOR
ON OFF NEXT
SERVICE TOOLS ?
NO YES