Bunn ingle Multi- BrewWISEDBC WITH SMART FUNNELTM Page 39 Installation And Operating Manual Download | Manualshive

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Page 39

TROUBLESHOOTING

A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems

encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic
Technical Service Department.

•

Inspection, testing, and repair of electrical equipment should be performed only by qualified service
personnel.

•

All electronic components have 120 - 240 volt ac and low voltage dc potential on their terminals.
Shorting of terminals or the application of external voltages may result in board failure.

•

Intermittent operation of electronic circuit boards is unlikely. Board failure will normally be
permanent. If an intermittent condition is encountered, the cause will likely be a switch contact or
a loose connection at a terminal or crimp.

•

Solenoid removal requires interrupting the water supply to the valve. Damage may result if
solenoids 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 isolated.

•

This brewer is heated at all times. Keep away from combustibles.

WARNING

•

Exercise extreme caution when servicing electrical equipment.

•

Disconnect the brewer from the power source when servicing, except when electrical tests are
specified.

•

Follow recommended service procedures.

•

Replace all protective shields or safety notices.

Screen Displayed

Possible Cause

Troubleshooting Procedure

1. Overflow cup is full of water.

Empty cup

37467 110904

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Summary of Contents for ingle Multi- BrewWISEDBC WITH SMART FUNNELTM

Page 1: ... 3227 SPRINGFIELD ILLINOIS 62708 3227 PHONE 217 529 6601 FAX 217 529 6644 www bunnomatic com INSTALLATION OPERATING MANUAL 37467 0000A 11 04 2004 Bunn O Matic Corporation ICED TEA BUNN SMART FUNNEL Single Multi BrewWISEDBC WITH SMART FUNNELTM ...

Page 2: ... OF ANY OTHER WARRANTY WRITTEN OR ORAL EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED 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 ...

Page 3: ...19 Set New Recipe no Smart Funnel or Multi BrewWISE DBC Grinder 20 Review Recipes Modify Recipes Set up No Name Coffee 21 Set Brew Volumes 22 Set Dilution Percentages 23 Set Pulse Brew Times 24 By Example 26 Enter Times 27 Set Preinfusion Times 28 Set Drip Times 29 Enable Ads 30 Set Temp Brewing Temperature 30 Set Ready Ready Temperature 30 Refill Adjust Sensitivity 31 Spray Ml M Read sprayhead fl...

Page 4: ...Page 4 00656 0000 00831 0000 USER NOTICES The notices on this brewer should be kept in good condition Replace unreadable or damaged labels 10044 0000 37467 110904 ...

Page 5: ...Page 5 00658 0000 20201 5600 03408 0004 03409 0004 WARNING REMOVE FUNNEL S L OW LY WARNING H O T L I Q U I D 12364 0000 USER NOTICES continued 37467 110904 ...

Page 6: ... attached cordset 4 Remove the front panel beneath the sprayhead 5 Connectthebrewertothepowersourceandverifythevoltageattheterminalblockbeforeproceeding Replace the front panel 6 If plumbing is to be hooked up later be sure the brewer is disconnected from the power source If plumbing has been hooked up the brewer is ready for Initial Set Up Requires 2 wire grounded service rated 200 or 240 volts a...

Page 7: ... psi 620 kPa to reduce it to 50 psi 345 kPa The water inlet fitting is 1 4 flare or female quick connect NOTE Bunn O Matic recommends 1 4 copper tubing for installations of less than 25 feet and 3 8 for more than 25 feet from the 1 2 water supply line A tight coil of copper tubing in the water line will facilitate moving the brewer to clean the counter top Bunn O Matic does not recommend the use o...

Page 8: ...easing this pad begins a brew cycle d PAD Pressing and holding the pad allows entry to the programming menus Pressing and releasing the pad 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 programming to be accomplished f FUNCTION SCREEN PADS These are the hidden pads which are used to program...

Page 9: ...thefunnelhandle and will automatically select the correct recipe to brew If the grounds are not obtained through a grinder compatible with a Smart Funnel a recipe must be chosen on the brewer 5 Place an empty server under the funnel 6 Press the ON OFF POWER pad and release 7 Press the ON OFF LOWER warmer pad and release 8 Momentarily press and release the BREW pad If the brewer has the funnel lock...

Page 10: ...brewer to automatically set itself to what is read from the funnel handle LAST ON TIME During a pulse brew this is the time set for the second on time and each alternating on time for the remainder of the brew cycle 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 programming mode NO NAME COFFEE The ter...

Page 11: ...ens hidden programming switches are used There are five of these switches that will be used for the setup of the brewer READY TO BREW WATER TEMP 91 1 symbol upper right of the BUNN logo This is used to access the programming mode and is also used to scroll forward through the function list 2 Upper left corner of the B in the BUNN logo This is used to scroll backwards through the function list 3 Di...

Page 12: ...O DONE YES WARMER OFF OFF DONE SET NEW RECIPE NO YES REVIEW RECIPES NO YES ENABLE ADS NO DONE YES SET TEMP 93 DONE SET READY 91 DONE 0 REFILL 155 DONE SPRAY ML M XXXX DONE DILUT ML M XXX DONE CALIBRATE FLOW NO YES BREW COUNTERS NO YES FUNNEL LOCKOUT NO DONE YES UNITS METRIC ENGLISH SERVICE TOOLS NO YES FACTORYDEFAULTS NO YES 37467 110904 ...

Page 13: ...the set READY temperature Select NO to permit brewing at any water temperature When finished press and release DONE This will exit this function screen and return to the MAIN SCREEN on the display PROGRAMMING THE BREWER The programming of the brewer is divided into two levels There is one function in Level 1 All other functions are accessed in Level 2 Thefollowingfunctionscreensareinorderofappeara...

Page 14: ...of the coffee BREW VOLUMES DILUTIONPERCENTAGES PULSEBREW TIMES PREINFUSIONTIMES andDRIP OUTTIMES METHOD 3 Not using a Smart Funnel and or a Single Multi BrewWISE DBC Grinder This allows the operator to enter ONE set of brewing parameters in the event a Smart Funnel and or a Single Multi BrewWISE DBC Grinder is not used with the Single Multi BrewWISE DBC Brewer This is referred to as a NO NAME coff...

Page 15: ...s screen will set the shut off time at 0 15 minutes and count up to 6 00 hours in increments of 0 15 minutes 4 When finished press DONE to advance to the next function screen or press the ON OFF LOWER pad on the front switch panel to exit the WARMER OFF function and return to the MAIN SCREEN NOTE For whatever time is selected for the warmers to shut off the warmer switch LED will begin to flash 5 ...

Page 16: ...om the grinder did not load properly into the funnel or if a grind has not yet been done the display will read MUST GRIND INTO FUNNEL FIRST It will be necessary to grind another batch following steps 1 and 2 7 If the grind is acknowledged by the brewer the displaywillreadBEGINSETUPOF RECIPENAME Then the screen will display BREW MI and a batch lightwillbeblinking Refertopage22fordescrip tion of BRE...

Page 17: ...ncetoSETPULSEBREW Refer to page 24 for description of SET PULSE BREW function DILUTE MI M XX X DONE BATCHES DONE NO YES SET PULSE BREW NO YES SET BY EXAMPLE NO YES 16 To SET PULSE BREW if setting pulse brew BY EXAMPLE brewing into a funnel press YES and proceed with the setup instructions for SETTING PULSE BREW BY EXAMPLE on page 26 17 If setting pulse brew by ENTER TIMES entering known times pres...

Page 18: ...e brew spray ends to when the funnel is emptied of hot liquid for that batch size NOTE Set to OFF to prevent funnel locks from engag ing to disable this function for a particular batch size To set to OFF continue to press and release until OFF appears on the screen 29 When finished press another batch size and re peat step 28 until all three sizes are set 30 When finished setting all batch sizes p...

Page 19: ...me 1 Remove the funnel if present from the funnel rails 2 Position the RECIPE CARD vertically so that the top end of the chip is beneath the funnel sensing coil 3 After a short pause the display will read CARD CONTAINS RECIPE FOR then will change to RECIPE NAME SHOW QUIT SAVE All brewing parameters for that coffee flavor are now trans ferred from the CARD to the brewer 4 Toshow view thisinformatio...

Page 20: ...des BREW VOLUMES DILU TION PERCENTAGES PULSE BREW TIMES PREINFUSION TIMES and DRIP OUT TIMES The brewer will perform in the same capacity as a standard BUNN Single Multi BrewWISE DBC Brewer The instructions for programming the NO NAME settings are on the following pages The same steps are followed for setting the recipe as those that are used to MODIFY A RECIPE beginning on page 21 Note that when ...

Page 21: ...NO NAME BEVERAGE SCROLLS THROUGH ALL BREW SETTINGS FOR ANY OTHER BEVERAGE NAMES STORED IN BREWER S MEMORY WHEN THE LAST BEVERAGE NAME IN THE BREWER S MEMORY IS DISPLAYED PRESSING NEXT WILL EXIT AND THE DISPLAY WILL THEN READ ADVANCES TO ALL OTHER BEVERAGE NAMES PROGRAMMED IN THE BREWER S MEMORY P3212 Procedure for reviewing recipes 1 Press and hold the pad until the display reads SET NEW RECIPES R...

Page 22: ...VANCES TO ALL OTHER RECIPE NAMES PROGRAMMED IN THE BREWER S MEMORY WHEN THE LAST RECIPE NAME IN THE BREWER S MEMORY IS DISPLAYED PRESSING NEXT WILL EXIT AND THE DISPLAY WILL THEN READ SEE MODIFYING DILUTION PERCENTAGES ON THE FOLLOWING PAGE OR PRESS AND RELEASE ON OFF PAD TO EXIT THE BREW MI M SETUP AND RETURN TO THE MAIN SCREEN P3213 PROGRAMMING FUNCTIONS LEVEL 2 cont 5 Using and set the amount o...

Page 23: ...CES TO ALL OTHER RECIPE NAMES PROGRAMMED IN THE BREWER S MEMORY WHEN THE LAST RECIPE 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 PAD TO EXIT THE DILUTION SETUP AND RETURN TO THE MAIN SCREEN P3214 4 Press and release MODIFY The display should read BREW MI M 5 Press and rele...

Page 24: ...used to set the pulse brew for each batch INITIAL SPRAY INITIAL SPRAY ALTERNATES UNTIL BREW CYCLE IS COMPLETED PRE INFUSION REMAINING ON ON TIME OFF TIME OFF TIME OFF TIME OFF TIME ON TIME ON TIME P2293 Modifying pulse brew Range 1st on time off to 4 minutes Off time off to 4 minutes Last on time off to 4 minutes NOTE IfthebrewerisalreadyintheSETPULSEBREW screen it is not necessary to follow steps...

Page 25: ...HE LAST RECIPE NAME IN THE BREWER S MEMORY IS DISPLAYED PRESSING NEXT WILL EXIT AND THE DISPLAY WILL THEN READ SEE PULSE BREW SETUP SET BY EXAMPLE SEE PULSE BREW SETUP ENTER TIMES REVIEW RECIPES NO YES SET PULSE BREW NO YES SET BY EXAMPLE NO YES ENTER TIMES NO YES RECIPE NAME MODIFY NEXT THAT WAS THE LAST RECIPE NO NAME MODIFY NEXT SET PULSE BREW cont PROGRAMMING FUNCTIONS LEVEL 2 cont P3215 37467...

Page 26: ...inal setting d 7 The brew water will begin again and the water level in the funnel will rise Watch the flow of water When it reaches the desired level press BREW to end the LAST ON TIME e 8 The display should now show the 1st off and last times for the batch size just programmed After a 5 second delay the display will read BATCHES DONE f and g 9 If other batches need to be modified press NO The di...

Page 27: ... read BATCHES DONE d and e ENTER TIMES RETURN TO SET BY EXAMPLE 5 SEC DELAY SEE MODIFYING PREINFUSION OFF TIME X XX DONE 1ST ON TIME X XX DONE LAST ON TIME X XX DONE 1ST OFF LAST X XX X XX X XX BATCHES DONE NO YES SET PREINFUSION NO YES a b c d e f P3218 6 If other batch sizes need to be modified press NO The display will then read SET BY EXAMPLE 7 In that screen press NO The display should now re...

Page 28: ...size 12 When finished press another batch size and re peat until all three batch sizes are set 13 When finished press DONE The display should now read OFF TIME and a batch light will be blinking 14 Using and set the amount of time the brew cycle will delay after the presoak cycle shuts off before resuming brewing 15 When finished press another batch size and re peat until all three batch sizes are...

Page 29: ...1 Using the and set the amount of time from when the brew solenoid shuts off to when drip out occurs for that batch size NOTE Set to OFF to disable this function To set to OFF press and release until OFF is displayed P3220 PROGRAMMING FUNCTIONS LEVEL 2 cont REVIEW RECIPES NO YES BATCHES DONE NO YES DRIP TIME X XX DONE NO NAME MODIFY NEXT EXIT TO NEXT FUNCTION SCREEN ADVANCES TO ALL OTHER RECIPE NA...

Page 30: ...s and release the until the display reads SET TEMP P2303 Procedure to set ready temperature 1 Press and hold the pad until the display reads WARMER OFF Release the pad Press and release the pad until the display reads SET READY 2 To adjust the ready temperature press the button to decrease or to increase the ready temperature 3 Whenfinished pressandreleaseDONEtosavethe new setting exit the SET REA...

Page 31: ...anel to exit REFILL and return to the MAIN SCREEN SPRAY MI M This function allows the operator to view or to enter the actual flow rate coming out of the sprayhead This is NOT used to change the actual flow rate but to telltheinternalcontrollerhowfastthewaterisflowing The unit of measure is ounces per minute Ml M Procedure to adjust the flow rate setting 1 Press and hold the pad until the display ...

Page 32: ...ction 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 read CONTAINER READY If the container is un der the funnel press YES The display should read CALIBRATE SPRAY PRESS BREW TO START 5 Press and release the BREW pad The display should read CALIBRATE SPRAY 60 SEC TO FINISH The 60 second timer o...

Page 33: ...d timer on the display will count down to zero When the counter reaches zero the display will change to ENTER MI along with a number measured in milliliters per minute 7 Measure the amount of water in the container and using or adjust the amount on the display to match the amount in the container Then press DONE 8 The display should now read NEW DILUTE FLOW along with the correct flow rate of the ...

Page 34: ...panel to exit the BREW COUNTERS function and return to the MAIN SCREEN P3225 FUNNEL LOCKOUT NO DONE YES Procedure to set funnel detect 1 Press and hold the pad until the display reads WARMER OFF Release the Press and release the pad until the display reads FUNNEL LOCK OUT 2 NO or YES should be flashing to indicate the current setting 3 Select YES to prevent brewing if a Smart Funnei is not correct...

Page 35: ...ill cancel all pre viously entered recipes and return to FACTORY DEFAULT values 4 When finished press and release DONE This will save the new setting exit the function screen and advance to the next Another alternative is to press the ON OFF LOWER pad located on the front switch panel to exit the UNITS function and return to the MAIN SCREEN SET UNITS This function allows the operator to change the...

Page 36: ...UENCY NO YES SERVICE TOOLS NO YES P3228 3 Press and hold the pad until the display reads WARMEROFF Releasethe pad Continuepress ing and releasing the pad until SERVICE TOOLS appears 4 PressYEStoruntestsonvariouscomponentsand 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 Press and release YES The displa...

Page 37: ...UTPUTS 6 In TEST OUTPUTS screen press NO This ad vances to TEST SWITCHES 7 PressingNO inthisscreenwilladvancetothe next function PressYESintheTESTSWITCHESscreen 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 ...

Page 38: ...the defaults ThiswillthenreverttotheMAINSCREEN and the factory default values will replace all previously entered values It will NOT reset the summation Brew counter P2312 PROGRAMMING FUNCTIONS LEVEL 2 cont FACTORY DEFAULT VALUES Brew Lockout NO DEFAULT NO NAME SETTINGS Iced Coffee BREW VOLUME 1800 mL DILUTION VOLUME 0 mL PULSE BREW TIME None PREINFUSION TIME 1st 0 53 OFF 0 45 DRIP OUT TIME 1 00 H...

Page 39: ...ill likely be a switch contact or a loose connection at a terminal or crimp Solenoid removal requires interrupting the water supply to the valve Damage may result if solenoids 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 Makecertaintha...

Page 40: ...er the brew cycle was started Position the funnel so that the sen sor is directly beneath the sensor coil on the brewer DisabletheFUNNELLOCKOUTfunc tion See page 30 for procedure a Wait for the brewer to heat to the proper temperature b Disable the BREW LOCKOUT function See page 10 for proce dure Removefunnel checkcontents and insert back into the funnel rails OR Press BREW to start a brew cycle w...

Page 41: ... pressed after the brew cycle was started 1 Tank Heater failure 2 Triac Failure 3 Control Board Thermistor failure To resume brewing press BREW again Thebrewcycleresumesform the point it was interrupted OR PressON OFFto terminate the brew cycle Service Required Service Required Service Required 37467 110904 ...

Page 42: ...re 1 TemperatureSensorProbewire s broken or not making connection 1 TemperatureSensorProbewire s shortedtohousing ortoeachother Check water supply shut off Service required Service required Check wire and connection of both black and white wires of tempera ture probe Checktoconfirmthatwire s arenot pinched between two surfaces or connected to each other 37467 110904 ...

Page 43: ...rewer data plate within 10 Check plumbing and shut off valves Test the ON OFF switch Refer to the switch test procedures on page 37 Test the BREW switch Refer to the switch test procedures on page 37 TesttheBrewvalve RefertoTesting Individual Components on page 37 Substitute a control board known to be in good working order Checkplumbingandshut offvalves A Direction of flow arrow must be pointing ...

Page 44: ...tocompensateforextreme water conditions very pure low conductancewaterrequiresahigher setting while high mineral content high conductance water requires a lowersetting Notethattheleftnum ber changes from a high value when waterisNOTtouchingtherefillprobe to a low value when water IS touch ing the probe For best operation the right number should be set to a value midway between these low and high n...

Page 45: ... when waterisNOTtouchingtherefillprobe to a low value when water IS touch ing the probe For best operation the right number should be set to a value midway between these low and high numbers Before changing the setting confirm that the refill probeisfreeofscalebuildupandthe connection to it is secure Substitute a control board known to be in good working order Remove power from the brewer Press re...

Page 46: ...wer Connect a voltmeter across one of the tank heaters Reapply power to the brewer and refer to Testing Indi vidual Components on page 36 If the full supply voltage is measured 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 def...

Page 47: ... 30 seconds andcollectthewaterdispensedfrom the sprayhead Repeat the test sev eral times to confirm a consistent volume of dispensed water If not consistent check the valve tubing and sprayhead for lime buildup A If dilution is being used on the inconsistentbrewingrecipe testthe DilutionValve RefertoTestingIndi vidualComponentsonpage36 Turn the valve on for 30 seconds and collect the water collect...

Page 48: ...f ground cof fee in the funnel The BUNN paper filter should be centered in the funnel and the bed of groundcoffeeleveledbygentleshak ing 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 the startswitchandreleaseit Checkthe water temperature immediately be low the sprayhead with a the...

Page 49: ...sion or pulse brew Contact Bunn O Matic for sugges tions The nut on back of the solenoid must be tight or it will vibrate during operation Plumbing lines should not be rest ing 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 approximately 50...

Page 50: ...wer Warmer ON OFF A3 Upper Front Warmer ON OFF A4 Upper Rear Warmer ON OFF A5 Power ON OFF B1 Hidden Left B2 Hidden Right C1 Iced Tea C2 Iced Coffee C4 Hot Coffee Full C5 Hot Coffee Half D1 Digital Left Hidden Button D2 Brewer Center Hidden Button D3 Control Right Hidden Button L1 Iced Tea LED L2 Iced Coffee LED L3 Upper Front Warmer LED L4 Lower Warmer LED L6 Hot Coffee Full LED L7 Hot Coffee Hal...

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