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Bunn SINGLE SHDBC Installation & Operating Manual Download Page 31

Page 31

Equipment will not operate.

Brew cycle will not start.

Automatic refi ll will not operate 
or display shows FILL TIME TOO 
LONG

1. No power or incorrect voltage.

1. No water

2. ON/OFF switch

3. Brew switch

4. Brew Valve

5. Electronic Control Board

1. No water

2. Water strainer/fl ow control 
(.750 GPM)

Measure the voltage at the terminal 
block and confi rm that it matches 
the voltage specifi ed on the brewer 
data plate /- 10%.

Check plumbing and shut-off 
valves

Test the ON/OFF switch. Refer to 
the switch test procedures on page 
25.

Test the BREW switch. Refer to the 
switch test procedures on page 
25.

Test the Brew valve. Refer to 

Test-

ing Individual Components

 on page 

25.

Substitute a control board known to 
be in good working order.

Check plumbing and shut-off 
valves.

(A) Direction of fl ow arrow must be 
pointing towards direction of water 
fl ow.

(B) Remove the strainer/fl ow control 
and check for obstructions. Clear or 
replace.

TROUBLESHOOTING (cont.)

Troubleshooting Procedure

Problem

Possible Cause

29877.1 070203

34025.1 082404

Summary of Contents for SINGLE SHDBC

Page 1: ...POST OFFICE BOX 3227 SPRINGFIELD ILLINOIS 62708 3227 PHONE 217 529 6601 FAX 217 529 6644 34025 0001B 01 06 2004 Bunn O Matic Corporation www bunnomatic com INSTALLATION OPERATING MANUAL SINGLE SHDBC WITH SMART FUNNEL Starbucks ...

Page 2: ...WARRANTY OF EITHER MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE The agents dealers or employees of BUNN are not authorized to make modifications to this warranty or to make additional warranties that are binding on BUNN Accordingly statements by such individuals whether oral or written do not constitute warranties and should not be relied upon If BUNN determines in its sole discretion that ...

Page 3: ... Volumes 15 Set Bypass Percentages 16 Set Drip Times 17 Enable Ads 18 Set Temp Brewing Temperature 18 Set Ready Ready Temperature 18 Refill Adjust Sensitivity 19 Spray Oz M Read sprayhead flow rate 19 Bypass Oz M Read bypass flow rate 19 Calibrate Flow 20 Calibrate Sprayhead Flow 20 Calibrate Bypass Flow 21 Brew Counters View Reset 22 Funnel Detect 22 Server Lockout 23 Service Tools 23 Test Output...

Page 4: ...e 4 00656 0000 00831 0000 35710 0001 USER NOTICES The notices on this brewer should be kept in good condition Replace unreadable or damaged labels 37881 0001 03408 0005 03409 0005 00658 0000 34025 1 011006 ...

Page 5: ...itate moving the brewer to clean the counter top Bunn O Matic does not recommend the use of a saddle valve to install the brewer The size and shape of the hole made in the supply line by this type of device may restrict water flow PLUMBING HOOK UP 1 If water supply line is to be connected to brewer using a 3 8 compression fitting install the adapter supplied with brewer to the flare fitting locate...

Page 6: ...nd return to the main screen c BREW PAD Momentarily pressing and releasing this pad begins a brew cycle d PROGRAM PAD Pressing and holding the upper right hidden switch allows entry to the programming menus Pressing and releasing the switch steps through each function screen during programming e FUNCTION SCREEN This is the display which shows the various functions of the brewer and allows the prog...

Page 7: ...evel the grounds by gently shaking 4 Slide the funnel into the funnel rails If the grounds are not obtained through a grinder compatible with a Smart Funnel a batch size must be chosen on the brewer 5 Place an empty server under the funnel 6 Momentarily press and release the pad If the brewer has the funnel lock option and if it is activated once a brew cycle has been started the funnel is locked ...

Page 8: ...o the funnel rails FUNNEL SENSING COIL A sensor on the front hood of the brewer which reads what name and batch size of coffee was ground into the funnel and allows for the brewer to automatically set itself to what is read from the funnel handle MAIN SCREEN The term used to describe the screen that is displayed when the brewer is not in use This screen is also displayed after exiting the programm...

Page 9: ...ramming switches are used There are five of these switches that will be used for the setup of the brewer 1 2 3 4 5 1 Upper right hidden switch above right side of display This is used to access the programming mode and is also used to scroll forward through the function list 2 Upper left hidden switch above left side of display This is used to scroll backwards through the function list 3 Digital l...

Page 10: ...ollowing function screens are in order of appearance Each screen will have instructions on how to access and the procedures to program the various functions of the brewer IMPORTANT PROGRAMMING NOTES READ CAREFULLY To exit the programming mode at any time press and release the pad located on the front switch panel The display will return to the MAIN SCREEN If none of the five programming switches a...

Page 11: ...normal oper ating mode BREW LOCKOUT NO DONE YES SET NEW RECIPE NO YES REVIEW RECIPES NO YES NO NAME MODIFY SHOW NEXT BREW LITERS X XX DONE A continue to C next page THAT WAS THE LAST RECIPE INSERT FUNNEL WITH NEW NAME QUIT SETUP YES Cycles thru program constants continue to B next page FULL 1 2 1 4 SET ALL 3 BATCHES 3 BATCHES DONE NO YES 34025 1 011006 ENABLE ADS NO DONE YES VOLUME SELECTION LITRS...

Page 12: ... BYPASS PRESS BREW START CALIBRATE SPRAY PRESS BREW START BYPASS XX DONE 3 BATCHES DONE NO YES CYCLE TIME X XX DONE 3 BATCHES DONE NO YES INITIAL ON TIME X XX DONE FULL 1 2 1 4 LEFT SET ALL 3 BATCHES 3 BATCHES DONE NO YES 3 BATCHES DONE NO YES DRIP TIME X XX DONE NO NAME SETUP COMPLETE Returns to A preceding page 0 REFILL 155 DONE SPRY OZ M 39 6 DONE continue to D next page FULL 1 2 1 4 LEFT SET A...

Page 13: ...EQUENCY NO YES FACTORY DEFAULTS NO YES BREW VALVE ON NEXT OF BYPASS ON NEXT OFF FUNNEL LOCK ON NEXT OFF SERVER ON NEXT OFF REFILL VALVE ON NEXT OFF TANK HEATERS ON NEXT OFF HEATER CONTACTOR ON NEXT OFF FINISHED returns to main screen PROGRAMMING THE BREWER cont D 34025 1 011006 ...

Page 14: ... SCREEN SCROLLS THROUGH ALL BREW SETTINGS FOR NO NAME COFFEE SCROLLS THROUGH ALL BREW SETTINGS FOR ANY OTHER OFFEE NAMES STORED IN BREWER S MEMORY WHEN THE LAST COFFEE NAME IN THE BREWER S MEMORY IS DISPLAYED PRESSING NEXT WILL EXIT AND THE DISPLAY WILL THEN READ ADVANCES TO ALL OTHER COFFEE NAMES PROGRAMMED IN THE BREWER S MEMORY P2442 display reads REVIEW RECIPES 2 Press YES to proceed The displ...

Page 15: ...LL OTHER COFFEE NAMES PROGRAMMED IN THE BREWER S MEMORY WHEN THE LAST COFFEE NAME IN THE BREWER S MEMORY IS DISPLAYED PRESSING NEXT WILL EXIT AND THE DISPLAY WILL THEN READ SEE MODIFYING BYPASS PERCENTAGES ON THE FOLLOWING PAGE OR PRESS AND RELEASE ON OFF SWITCH TO EXIT THE BREW OZ SETUP AND RETURN TO THE MAIN SCREEN P2443 PROGRAMMING FUNCTIONS cont Press and release the batch size to be modified ...

Page 16: ...EN ADVANCES TO ALL OTHER COFFEE NAMES PROGRAMMED IN THE BREWER S MEMORY WHEN THE LAST COFFEE NAME IN THE BREWER S MEMORY IS DISPLAYED PRESSING NEXT WILL EXIT AND THE DISPLAY WILL THEN READ SEE MODIFYING PULSE BREW ON THE FOLLOWING PAGE OR PRESS AND RELEASE ON OFF SWITCH TO EXIT THE BYPASS SETUP AND RETURN TO THE MAIN SCREEN P2444 coffee name to be modified 4 Press and release MODIFY The display sh...

Page 17: ...YES to proceed The display should now read NO NAME along with MODIFY SHOW and NEXT 3 Press and release NEXT to advance to the desired coffee name to be modified 4 Press and release MODIFY The display should read BREW OZ 5 Press and release DONE The display should read 3 BATCHES DONE 6 Press and release YES The display should now read BYPASS 7 Press and release DONE The display should read 3 BATCHE...

Page 18: ...lows the operator to set the brew water temperature in the tank It also sets the hot water faucet dispense temperature P2301 PROGRAMMING FUNCTIONS cont P2302 Procedure to set brew temperature 1 Press and hold upper right hidden switch until the display reads SET NEW RECIPES Release switch Press and release upper right hidden switch until the display reads SET TEMP P2303 2 To adjust the brew temper...

Page 19: ...stheoperatortoviewortoenter the actual flow rate coming out of the bypass nozzle This is NOT used to change the actual flow rate but to telltheinternalcontrollerhowfastthewaterisflowing The unit of measure is ounces per minute P2304 P2305 PROGRAMMING FUNCTIONS cont XXX REFILL XXX DONE SPRAY OZ M XX X DONE functionscreen SPRAYOZ M Anotheralternative is to press and release the pad located on the fr...

Page 20: ... the display reads CALIBRATE FLOW 3 Press and release YES to advance to the SPRAY HEAD CAL function screen Pressing NO in the CALIBRATE FLOW screen will advance to the next function screen BREW COUNTERS 4 Press and release the YES pad The display should readCONTAINERREADY Ifthecontainerisunder the funnel press YES The display should read CALIBRATE SPRAY PRESS BREW TO START 5 Press and release the ...

Page 21: ... release NO to advance to the BYPASS CALIBRATION screen 5 Press and release the YES pad The display should read CONTAINER READY If the container is under the funnel press YES The display should read CALIBRATE BYPASS PRESS BREW TO START 6 Press and release the pad The display should readCALIBRATEBYPASS 60SECTOFINISH The 60 second timer on the display will count down to zero When the counter reaches...

Page 22: ...ont switch panel to exit the BREW COUNTERS function and return to the MAIN SCREEN P2448 FUNNEL DETECT NO DONE YES Procedure to set funnel detect 1 Press and hold upper right hidden switch until the displayreads SETNEWRECIPES Releaseswitch Press and release upper right hidden switch until the display reads FUNNEL DETECT 2 NO or YES should be flashing to indicate the cur rent setting 4 Select YES to...

Page 23: ...tch until the display reads SERVER DETECT 2 The NO or YES flashes to indicate the current selection 3 Select YES to prevent brewing if the Soft Heat server is not correctly positioned on the brewer beneath the funnel NOTE If YESisselectedandabrewcycleisattempted with a server not properly placed the display will read SERVER NOT IN PLACE 4 Select NO to allow brewing without a Soft Heat server in pl...

Page 24: ...n 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 PROGRAMMING FUNCTIONS cont SERVICE TOOLS cont Testing individual components outputs This will allow the operator to test the operation of individual components and outputs...

Page 25: ...e NO once more The display should now read TEST SERVER 7 Press YES in the TEST SERVER screen to show if a server is in place The display should read IN PLACE 8 Lift and pull both Soft Heat server forward about 2 inches so that the two contacts on the server do not touch the two contacts on the brewer 9 The display should then read SERVER RE MOVED 10 Aftertheserverhavebeentested pressandrelease the...

Page 26: ...dden switch until the display reads FACTORY DEFAULTS 2 Pressing NO in this screen will revert to the MAIN SCREEN Press YES to replace the defaults This advances to WILL REPLACE ALL BREWING SET TINGS This screen will alternate with ARE YOU SURE 3 Pressing NO in the confirmation screen will revert to MAIN SCREEN without resetting the brewing setups to the defaults Press YES to load the de faults Thi...

Page 27: ...s are energized for more than ten minutes without a supply of water The use of two wrenches is recommended whenever plumbing fittings are tightened or loosened This will help avoid twists and kinks in the tubing Make certain that all plumbing connections are sealed and electrical connections tight and iso lated This brewer is heated at all times Keep away from combustibles WARNING Exercise extreme...

Page 28: ...nelsothatthesensor isdirectlybeneaththesensorcoilon the brewer Disable the FUNNEL DETECT func tion See page 23 for procedure a Wait for the brewer to heat to the proper temperature b Disable the BREW LOCKOUT function See page 11 for proce dure Removefunnel checkcontents and insert back into the funnel rails OR Press BREW to start a brew cycle without removing the funnel To resume brewing correctly...

Page 29: ...c Failure 3 Control Board Thermistor failure To resume brewing correctly position the Soft Heat Server and press BREW again The brew cycle resumes from the point it was inter rupted OR PressON OFFtoterminatethebrew cycle TO CANCEL PRESS ON OFF TO FINISH PRESS BREW BREW STOPPED IS SWITCH OFF To resume brewing press BREW again Thebrewcycleresumesform the point it was interrupted OR PressON OFFtoterm...

Page 30: ...broken or not making connection 1 Temperature Sensor Probe wire s shorted to housing or to each other Check water supply shut off Service required Service required Check wire and connection of both blackandwhitewiresoftemperature probe Check to confirm that wire s are not pinched between two surfaces or connected to each other CHECK FOR BAD CONNECTIONS TEMP SENSOR OUT OF RANGE CHECK WIRE FOR SHORT...

Page 31: ...plate within 10 Check plumbing and shut off valves Test the ON OFF switch Refer to the switch test procedures on page 25 Test the BREW switch Refer to the switch test procedures on page 25 Test the Brew valve Refer to Test ing Individual Components on page 25 Substitute a control board known to be in good working order Check plumbing and shut off valves A Direction of flow arrow must be pointing t...

Page 32: ...ocompensateforextreme water conditions very pure low conductancewaterrequiresahigher setting while high mineral content high conductance water requires a lower setting Note that the left number changes from a high value whenwaterisNOTtouchingtherefill probe to a low value when water IS touching the probe For best opera tion the right number should be set toavaluemidwaybetweentheselow and high numb...

Page 33: ...e whenwaterisNOTtouchingtherefill probe to a low value when water IS touching the probe For best opera tion the right number should be set toavaluemidwaybetweentheselow and high numbers Before changing the setting confirm that the refill probe is free of scale buildup and the connection to it is secure Substitute a control board known to be in good working order Remove power from the brewer Press ...

Page 34: ...er Connect a voltmeter across one of the tank heaters Reapply power to the brewer and refer to Testing Individual Components on page 25 Ifthefullsupplyvoltageismeasured when the tank heater is turned on and zero voltage is measured with the triac off then the triac is good If half the supply voltage is measured the triac is defective If very low or zerovoltageismeasured therecould be a defective t...

Page 35: ...ual Components on page 25 Turnthevalveonfor30secondsand collectthewaterdispensedfromthe sprayhead Repeat the test several timestoconfirmaconsistentvolume ofdispensedwater Ifnotconsistent check the valve tubing and spray head for lime buildup If bypass is being used on the inconsistent brewing recipe test the Bypass Valve Refer to Testing Individual Components on page 25 Turn the valve on for 30 se...

Page 36: ... of ground coffee in the funnel The BUNN paper filter should be centered in the funnel and the bed of ground coffee leveled by gentle shaking Empty the server remove its cover and place the server beneath the sprayhead Place empty funnel over the server entrance with ON OFF switch in the ON position press thestartswitchandreleaseit Check the water temperature immediately below the sprayhead with a...

Page 37: ...pages 13 27 Contact Bunn O Matic for suggestions The nut on back of the solenoid must be tight or it will vibrate during operation Plumbinglinesshouldnotberesting on the counter top A The brewer must be connected to a cold water line B Water pressure to the brewer must not be higher than 90 psi 620 kPa Install a regulator if necessary to lower the working pressure to ap proximately 50 psi 345 kPa ...

Page 38: ...3 WITH 3 24 5 4 3 26 2 42 3 2 2 2 2 2 7 9 4 7 7 6 29 7 2 6 37 4 5 4 339 3 5 3 3 2 42 0 2 7 4 2 6 02 4 0 02 6 7 6 7 0 2 7 2 4OUCH 3WITCH SSEMBLY ODES REW N FF IDDEN EFT IDDEN 2IGHT ARGE ATCH EDIUM ATCH 3MALL ATCH IGITAL EFT IDDEN UTTON REWER ENTER IDDEN UTTON ONTROL 2IGHT IDDEN UTTON ARGE ATCH EDIUM ATCH 3MALL ATCH N FF gS 34025 1 011006 ...

Page 39: ... 4 3 26 2 42 3 2 2 2 2 7 9 4 7 6 29 7 2 6 4 2 3 49 53 4 2 3 49 53 2 2 2 2 2 2 3 44 53 3 4 7 2 2 3 3 7 3 24 5 2 2 4 2 2 9 4OUCH 3WITCH SSEMBLY ODES REW N FF IDDEN EFT IDDEN 2IGHT ARGE ATCH EDIUM ATCH 3MALL ATCH IGITAL EFT IDDEN UTTON REWER ENTER IDDEN UTTON ONTROL 2IGHT IDDEN UTTON ARGE ATCH EDIUM ATCH 3MALL ATCH N FF gS 4 5 37 4 33 ...

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