BunnメーカーITCB-DVの使用説明書/サービス説明書
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OPERA TING & SER VICE MANU AL ITCB ITCB-DV Infusion Series ® BUNN-O-MA TIC CORPORA TION POST OFFICE BO X 3227 SPRINGFIELD , ILLINOIS 62708-3227 PHONE: (217) 529-6601 F AX: (217) 529-6644 36748.0000 0 3 /0 7 ©2004 Bunn-O-Matic Corporation www .bunn.
Page 2 BUNN-O-MA TIC COMMERCIAL PRODUCT W ARRANTY Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows: 1) All equipment other than as specified below: 2 years parts and 1 year labor . 2) Electronic circuit and/or control boards: parts and labor for 3 years.
Page 3 INTRODUCTION This equipment will brew either tea or coffee into an awaiting dispenser or reser voir . It can be easily configured for 120V 15 amp, 120/208V 20 amp or 120/240V 20 amp. The brewer may have an auxillar y hot water faucet. It is only for indoor use on a sturdy counter or shelf.
Page 4 #00986.0000 USER NOTICES Carefully read and follow all notices in this manual and on the equipment. All labels on the equipment should be kept in good condition.
Page 5 USER NOTICES (CONT .) F or 120/208V or 120/240 v olt operation, replace P ower Supply Cord o nly with Bunn-O-Matic par t number 01699.0000. #34072.
Page 6 ELECTRICAL HOOK-UP CAUTION – Improper electrical installation will damage electronic components. 1. An electrician must provide electrical service. 2. Determine the available on-site electrical service. 3. Select the desired unit voltage based on the available on-site electrical service.
Page 7 PLUMBING HOOK UP 1. Flush the water line and securely attach it to the inlet fitting at the bottom rear of the brewer . 2. T urn on the water supply . PLUMBING REQUIREMENTS This brewer must be connected to a cold water system with operating pressure between 20 and 90 psi (138 and 620 kPa) from a 1 ⁄ 2 " (12.
Page 8 OPERA TING CONTROLS A. ON/OFF SWITCH Pressing the "ON/OFF" pad will alternately turn the brewer on and off. Pressing this pad during the brew cycle will interrupt the brew cycle, stopping the flow of water . Pressing this pad during programming of the brewer will exit the setup and return to the main screen.
Page 9 1. Insert an empty funnel into the funnel rails. 2. Place an empty server under the funnel. 3. Connect the brewer to the power source. Make sure the ON/OFF switch is ON (LED will be lit). 4. Water will flow into the tank and stop when the tank is filled to its capacity .
Page 10 36748 101505 TEA BREWING 1. Begin each brew cycle with a clean empty brew funnel and server . (Be sure the ser ver lid doesn’t interfere with the flow of dilution water .) 2. Insert a BUNN filter into the funnel. 3. Pour the packet of loose fresh tea leaves into the filter .
Page 11 CLEANING CAUTION – CLEAN AND SANITIZE YOUR ICED TEA BREWER DAIL Y 1. Remove and thoroughly clean the entire brew funnel. The funnel tip and screen must be free from any tea particles or residue. Reassemble the funnel. 2. Remove and thoroughly rinse the sprayhead.
Page 12 GLOSSAR Y AD CARD : An assembly consisting of computer chips and an instruction label. Used for loading advertising messages into the brewer . AUTO PULSE BREW SETUP : The setting of a pulse brew routine by entering in the total desired brew time.
Page 13 RECIPE : Set of brewing parameters stored in the brewer . The parameters are unique for each tea and coffee name. T ea recipes include brew ounces, dilution ounces, dilution delay , pulse brew , and drip time. Coffee recipes include brew ounces, pulse brew and drip time.
Page 14 PROGRAMMING Using the menu-driven display on the front of the brewer , the operator has the ability to alter or modify various brewing parameters such as brew temperatures, brew volumes, dilution volumes, pulse brew, etc. This allows for the precise brewing of various flavors of tea and coffee.
Page 15 MAIN SCREEN This screen will be shown when the brewer is ready for use. The screen displays the water temperature in the tank. When the water in the tank reaches the correct set temperature, the display will change from HEA TING to READY TO BREW .
Page 16 BREW A BREW B BREW C BREW A BREW B BREW C BREW A BREW B BREW C BREW A BREW B BREW C BREW A BREW B BREW C SPRA Y OZ/M: XX.X (-) DONE (+) (-) DONE (+) CALIBRA TE FLO W? NO YES BREW COUNTERS? NO YES PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL I PROGRAMMING FUNCTIONS - FLOW CHART PROGRAMMING FUNCTIONS - LEVEL 2 DILUTE OZ/M: XX.
Page 17 BREW A BREW B BREW C Press here for NO BREW LOCK OUT? NO DONE YES Press here for YES Press here for DONE PROGRAMMING FUNCTIONS - LEVEL I BREW LOCKOUT This function allows the operator to prevent or allow brewing if the water temperature is less than the set READY temperature.
Page 18 This function allows the operator to select the language used for the display . Procedure for setting Language: 1. Press and hold the right hidden button until the display reads SET LANGUAGE? and release. 2. Press YES to proceed. The display should now read ENGLISH .
Page 19 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) UNITS This function allows the operator to select if numeric settings are displayed in English or Metric units.
Page 20 RECIPE CHART T ea 1 Iced Coffee T ea 2 No Name Coffee T ea 3 Hot T ea PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) REVIEW RECIPES (Modify recipe, set up standard recipes) This function has three parts: 1.
Page 21 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) ASSIGN RECIPE This function allows the operator to assign recipes to the three brew buttons. Standard recipes (TEA 1, TEA 2, TEA 3, HOT TEA, ICED COFFEE, NO-NAME COFFEE) and any saved recipes from a Smart Funnel or Recipe Card can be assigned to a brew button.
Page 22 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET NEW RECIPE (to set a new COFFEE recipe using a Smart Funnel or RECIPE CARD) Using a Smart Funnel and a G9-2T DBC or M.
Page 23 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) 9. When finished, press the oth er batch si ze and repe at step #8. 10. When finished setting both batch sizes, press and release DONE . The display should read 2 BA TCHES DONE? 11.
Page 24 2. Position the RECIPE CARD vertically , so that the top end of the CHIP is beneath the SENSING COIL (located on the middle of the underneath side of the front display panel). 3. After a short pause the display will read CARD CON- T AINS RECIPE FOR then will change to (COFFEE NAME) SHOW QUIT SA VE .
Page 25 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) BREW A BREW B BREW C BREW A BREW B BREW C BREW A BREW B BREW C EXIT TO NEXT FUNCTION SCREEN REVIEW RECIPES? NO YES TEA 1 .
Page 26 Procedure for modifying TEA recipes: T ea recipes: BREW OZ: Range: OFF , 10.0 oz to 135.0 oz (.3-4.0 L) for both batch sizes This function allows adjustment of the brew (tea con- centrate) volumes for each batch. 1. Press and hold the right hidden button until the dis - play reads SET LANGUAGE.
Page 27 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) T ea recipes: DILUTE OZ: Range: 0.0 oz to 580.0 oz (0-17.1 L) for both batch sizes This function allows adjustment of the dilution volumes for each batch. NOTE: If the brewer is already on the DILUTE OZ: screen, skip steps 1 through 6, and proceed directly to step 7.
Page 28 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) T ea recipes: DILUTE DELA Y Range: OFF to 10 minutes for both batch sizes This function allows the operator to adjust the timing for the start of the dilution water .
Page 29 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) TEA RECIPES: SET PULSE BREW This function allows the operator to program the brewer to “pulse” the sprayhead flow on and off during a brew cycle (start and stop the flow of water out of the spray- head).
Page 30 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) Setting Pulse Brew – EASY Pulse Brew NOTE: If the brewer is already on the SET PULSE BREW screen, skip steps 1 through 9, and proceed directly to step 10. 1. Press and hold the right hidden button until the dis - play reads SET LANGUAGE .
Page 31 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) Setting Pulse Brew – MANUAL Pulse Brew NOTE: If the brewer is already on the SET PULSE BREW screen, skip steps 1 through 9, and proceed directly to step 10. 1. Press and hold the right hidden button until the dis - play reads SET LANGUAGE .
Page 32 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) P2864 BREW A BREW B BREW C BREW A BREW B BREW C BREW A BREW B BREW C BREW A BREW B BREW C BREW A BREW B BREW C BREW A BRE.
Page 33 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) TEA RECIPES: DRIP TIME This function allows the operator to adjust the DRIP TIME (time from end of sprayhead flow to when liquid stops dripping from the funnel).
Page 34 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) Procedure for modifying COFFEE recipes: Coffee recipes: BREW OZ: Range: OFF 10.0 oz to 135.0 oz (0.0-4.0L) for both batch sizes This function allows adjustment of the brew volumes for each batch.
Page 35 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) COFFEE RECIPES: SET PULSE BREW This function allows the operator to program the brewer to “pulse” the sprayhead flow on and off during a brew cycle (start and stop the flow of water out of the spray- head).
Page 36 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) Setting Pulse Brew – EASY Pulse Brew NOTE: If the brewer is already on the SET PULSE BREW screen, skip steps 1 through 6, and proceed directly to step 7. 1. Press and hold the right hidden button until the dis - play reads SET LANGUAGE.
Page 37 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) Setting Pulse Brew – MANUAL Pulse Brew NOTE: If the brewer is already on the SET PULSE BREW screen, skip steps 1 through 6, and proceed directly to step 7. 1. Press and hold the right hidden button until the dis - play reads SET LANGUAGE.
Page 38 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) P2868 BREW A BREW B BREW C BREW A BREW B BREW C BREW A BREW B BREW C BREW A BREW B BREW C BREW A BREW B BREW C BREW A BRE.
Page 39 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) COFFEE RECIPES: DRIP TIME This function allows the operator to adjust the DRIP TIME (time from end of sprayhead flow to when liquid stops dripping from the funnel).
Page 40 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) MASTER TEMP This function allows the operator to adjust the brew water temperature in the tank. This also sets the hot water faucet dispense temperature. Procedure for setting the Master T emp Range: 185° to 207° F (85°-97° C) 1.
Page 41 READY DEGREE This function allows the operator to set the minimum temperature allowable to start a brew cycle. The range can be from 2° to 20° F within the set temperature. The water must be at the READY temperature or higher for the display to indicate READY TO BREW .
Page 42 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) ENABLE ADS This function allows the operator to choose whether or not to display an advertising message. An ad can be saved to the brewer by either writing the ad using the programming commands, or by entering the ad into the brewer using an AD CARD .
Page 43 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) BREW A BREW B BREW C BREW A BREW B BREW C BREW A BREW B BREW C BREW A BREW B BREW C BREW A BREW B BREW C BREW A BREW B BR.
Page 44 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) ENABL SANIT A TION This function allows the operator to enable the sanita- tion function and set the time before a cleaning alert will be displayed. Procedure for enabling sanitation: Range: 0.
Page 45 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) ENABLE ENERGYSA VR This function allows the operator to enable the mode function and set the idle time. Once the set idle time has expired, the operator can choose to have the heat- ers either turn off, or reduce the tank holding temp to 140° F (60° C).
Page 46 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) ENABLE FRESH TIMER Thi s functi on allo ws the oper ato r to enable the Freshn ess Alert and set the expiration time. The expiration time is the amount of time the product is allowed to sit in the server/dispenser before a fresh batch is brewed.
Page 47 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) REFILL Range: 0 to 155 This function allows the operator to adjust the sensitiv - ity of the refill cir cuit. This is mainly a troubleshooting feature. Water in different geographical locations can have differe nt conduc tivi ties .
Page 48 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SPRA Y OZ/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 tell the internal controller how fast the water is flowing.
Page 49 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) DILUTE OZ/M This function allows the operator to view or to enter the actual flow rate coming out of the dilution nozzle. This is NOT used to change the actual flow rate, but to tell the internal controller how fast the water is flowing.
Page 50 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) CALIBRA TE FLOW This function allows the operator to enter the actual flow rate of the sprayhead and the dilution by dispensing both separately for one minute. The volumes are then entered into the brewer .
Page 51 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) CALIBRA TE FLOW (Continued) Procedure to calibrate the dilution flow rate: 1. Place a container , accurately graduated and with a minimum capacity of 130 ounces, beneath the funnel.
Page 52 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) BREW COUNTERS This function allows the operator to track the total num- ber of brew cycles completed, as well as the number of batches brewed using each of the brew buttons.
Page 53 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SET RECIPE TEMPS This function allows the operator to set separate tem- peratures for each selected recipe.
Page 54 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) 36748 042905 ASSET NUMBER This function allows the operator to enter in the ma- chine's asset number . This can be useful for tracking the usage or service of an individual machine within a group.
Page 55 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SERVICE NUMBER Th is fu nc tio n al lo ws th e op era to r to en te r in th e tel ep ho ne number to call if service is needed. The ser vice num- ber will be displayed anytime there is a fault message displayed.
Page 56 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) SERVICE TOOLS Th is fu nc tio n al lo ws th e tes ti ng of ind iv id ual com pon en ts and the abil ity to che ck swi tch es for pro per funct ion . This function also tests the funnel sensor coil’ s frequency (diagnostic tool for troubleshooting purposes only).
Page 57 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) P2883 36748 041504.
Page 58 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) Procedure to test switches: The following switches can be individually tested: Half Batch Full Batch Left Hidden Brew A Brew B Brew C On/Off 1. Press and hold the right hidden button until the dis - play reads SET LANGUAGE.
Page 59 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) Procedure to test coil frequency: 1. Press and hold the right hidden button until the dis- play reads SET LANGUAGE. Press the right hidden button until the display reads SERVICE TOOLS .
Page 60 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) F ACTOR Y DEF AUL TS This function allows the operator to erase ALL of the pre vi ous ly ente red reci pe s and ad mess ag es. Fact ory- set default values will replace ALL previous settings.
Page 61 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) F ACTOR Y DEF AUL T V ALUES Brew Lockout - Disabled Language - English Units - English SWITCH RECIPE Brew A – TEA 1 Bre.
Page 62 PROGRAMMING THE BREWER (cont.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) NO-NAME COFFEE RECIPE: BREW VOLUMES Half Batch - 64 OZ Full Batch - 64 OZ PULSE BREW TIMES Half Batch - Manual :40/:10/:2.
Page 63 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 T echnical Ser vice Department.
Page 64 PROBABLE CAUSE REMEDY PROBLEM TROUBLESHOOTING (cont.) T emperature T oo Low Heating Time T oo Long Fill Time T oo Long T emp Sensor Out Of Range, Check For Bad Connections T emp Sensor Out Of Range, Check Wire For Shorts Equipment will not operate 1.
Page 65 TROUBLESHOOTING (cont.) PROBABLE CAUSE REMEDY PROBLEM Check plumbing and shut-off valves Check for voltage across the termi- nals at the terminal block. T est the ON/OFF switch. Refer to the test switch procedures on page 58. T est the BREW switch.
Page 66 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Check plumbing and shut-off valves Check tank drain clamp Direction of flow arrow must be pointing towards direction of water flow . Remove the strainer and check for obstructions. Clear or replace.
Page 67 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY secure. T est the refill valve. Refer to the test outputs procedures on page 56. Refill valve – Disconnect the brewer from the power source and remove wires from refill valve coil. Check for continuity across the terminals of the solenoid coil.
Page 68 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Water flows into tank continuously with power removed from brewer . 1. Refill valve 2. Refill probe or sensitivity set- ting 3. Control Board Foreign material lodged in valve, holding it in open state.
Page 69 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Water will not heat or display shows HEA TING TIME TOO LONG. 1. Limit Thermostat 2. T emperature probe 3. T oggle switch Remove power from the brewer . Check for continuity through the limit thermostat.
Page 70 Remove power from the brewer . Check for continuity between the white terminal of the terminal block (or red terminal on 208/240V mod- els) and the black wire on the relay on the control board (T oggle switch must be in 120/208-240V position on 208V and 240V models).
Page 71 Dilution cycle will not start 1. Dilution valve 2. Recipe settings 3. Strainer T est the dilution valve. Refer to the test outputs procedures on page 56. Check to make sure the current recipe has a dilution volume set. Coffee recipes will not have dilu- tion.
Page 72 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Spitting or unusual steaming from sprayhead or air vent. Dripout time too long 1. Lime buildup 2. T emperature probe 3. Control Board 1. Funnel tip Ins pe ct th e pro be an d tan k ass emb ly for excessive lime deposits.
Page 73 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Inconsistent beverage level in server/dispenser Direction of flow arrow must be pointing towards the brewer . Re- move the strainer and check for obstructions. Clear or replace. Check operating water pressure to the brewer .
Page 74 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Dripping from sprayhead. Water overflows filter . Beverage overflows server . Repair or replace leaky valve BUNN paper filters should be used for proper extraction Check sprayhead The brew cycle should be started only with an empty ser ver under the funnel.
Page 75 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Weak beverage. BUNN paper filters should be used for proper extraction For coffee, a sufficient quantity of fresh drip or regular grind should be used for proper extraction. For tea, a sufficient quantity of fresh, loose tea leaves should be used for proper extraction.
Page 76 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Brewer is making unusual noises. The mounting screws on the so- lenoids must be tight or they will vibrate during operation Plu mb ing line s sho ul d not be rest in g on the countertop. The brewer must be connected to a cold water line.
Page 77 MEMORY BOARD SCHEMA TIC WIRING DIA GRAM ITCB-D V 36460.0000C 08/04 ©2004 BUNN-O-MA TIC CORPORA TION L1 BLU-14 BLU-14 LIMIT THERMOST A T WHI WHI WHI/VIO WHI/VIO WHI/VIO WHI WHI REFILL DISPENSE J1-1 J1-2 J17-1 J17-5 J15-1 J15-5 J17-10 J17-14 C O N T R O L P C B O A R D COM N.
Page 78 36748 111904 -%-/29 "/!2$ 3#(%-! 4)#7)2).'$)! '2!-I4#"! I4#"" "Ú"5.
Page 79 36748 111904 MEMORY BOARD SCHEMA TIC WIRING DIA GRAM ITCB-C-D V 36460.0002A 11/04 ©2004 BUNN-O-MA TIC CORPORA TION L1 BLU-14 BLU-14 LIMIT THERMOST A T WHI WHI WHI/VIO WHI/VIO WHI/VIO WHI WHI REFILL DISPENSE J1-1 J1-2 J17-1 J17-5 J15-1 J15-5 J17-10 J17-14 C O N T R O L P C B O A R D COM N.
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Bunn ITCB-DVをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはBunn ITCB-DVの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Bunn ITCB-DVの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Bunn ITCB-DVで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Bunn ITCB-DVを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はBunn ITCB-DVの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Bunn ITCB-DVに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちBunn ITCB-DVデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
