Manuale d’uso / di manutenzione del prodotto TB6Q del fabbricante Bunn
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SER VICE & REP AIR MANU AL BUNN-O-MA TIC CORPORA TION POST OFFICE BO X 3227 SPRINGFIELD , ILLINOIS 62708-3227 PHONE: (217) 529-6601 F AX: (217) 529-6644 41722.
Page 2 41722 012609 BUNN-O-MA TIC COMMERCIAL PRODUCT WARRANTY 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 41722 070209 Contents T rouble Shooting .............................................................................................................. 4 Component Acess ...........................................................................
Page 4 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 5 TROUBLESHOOTING (cont.) Brew cycle will not start (cont.) Water is not hot PROBABLE CAUSE REMEDY 3. ON/OFF Switch 4. Start Switch 5. Timer 6. Solenoid Valve 7. Water strainer/flow control (If equipped) 1. (A) Limit Thermostat (B) Thermal Cut-Off (230V) CAUTION - Do not eliminate or bypass limit thermostat or thermal cut-off.
Page 6 TROUBLESHOOTING (cont.) Inconsistent beverage level in dispenser Consistently low beverage level in the dispenser Spitting or excessive steaming 1. Strainer /flow control (If equipped) 2. Syphon System 3. Lime Build-up CAUTION - T ank and tank com- ponents should be delimed regularly depending on local water conditions.
Page 7 TROUBLESHOOTING (cont.) Spitting or excessive steaming (cont.) Dripping from sprayhead Water flows into tank continu- ously (ON/OFF Switch "ON") Water flows into tank continu- ously (ON/OFF Switch "OFF") Beverage overflows dispenser 2.
Page 8 TROUBLESHOOTING (cont.) Weak beverage Dry coffee grounds remain in the funnel Brewer is making unusal noises 1. Filter T ype 2. Coffee Grind 3. Sprayhead 4. Funnel Loading 5. Water T emperature 1. Funnel Loading 1. Solenoid 2. Plumbing Lines 3.
Page 9 TROUBLESHOOTING (cont.) Brewer is making unusal noises (cont.) 4. T ank Heater Remove and clean lime off the tank heater . PROBLEM PROBABLE CAUSE REMEDY 41722 070209.
Page 10 SERVICE This section provides procedures for testing and replacing various major components used in this brewer should service become necessar y .
Page 11 SERVICE (cont.) source. The indication must be: a) 120 volts ac for two wire 120 volt models. b) 200 to 230 volts ac for two wire 200 volt or 230 volt models. 8. Disconnect the brewer from the power source. If voltage is present as described, reinstall the capillary tube into the tank to the line 4.
Page 12 SERVICE (cont.) LIMIT THERMOST A T Location: The limit thermostat is located inside the rear of the hood on the tank lid. T est Procedures: 1. Disconnect the brewer from the power source. 2. Disconnect the blue and black wires from the limit thermostat.
Page 13 SERVICE (cont.) T ANK HEA TER Location: The tank heater is located inside the tank and secured to the tank lid. T est Procedures: 1. Disconnect the brewer from the power supply .
Page 14 SERVICE (cont.) LIGHTED ON/OFF SWITCH (TB3/TB3Q) FIG. 14-1 LIGHTED ON/OFF SWITCH P/N 37080.0000 Orange light FIG. 14-2 LIGHTED ON/OFF SWITCH TERMINALS P/N 37080.0000 BLACK 2 WHT/VIO WHITE Location: The ON/OFF switch is located in the front of the hood, above and to the left of the brew funnel.
Page 15 SERVICE (cont.) ON/OFF SWITCH-TB6/Q (Sweetner ½ Batch Option-TB3/Q) Location: The switch is located on the front control panel. T est Procedure: 1. Disconnect the brewer from the power source. 2. Disconnect the wires from switch terminals. 3.
Page 16 SERVICE (cont.) ST ART SWITCHES Location: The start switch is located in the front of the hood, above and to the right of the brew funnel. T est Procedure: 1. Disconnect the brewer from the power source. 2. Remove the wires from all four terminals.
Page 17 SERVICE (cont.) INLET V AL VES Location: The solenoid valve(s) are located inside the trunk on the lower center part of the component bracket. So- lenoids in the early models are located in the hood. T est Procedures: 1. Check the solenoid valve for coil action.
Page 18 SERVICE (cont.) BREW/DILUTION TIMER (TB3 & TB6) Location: The timer is located in left side of the hood. T est Procedure: NOTE: Do not remove or instal l wires while timer board is installed. Pressure applied to one side may cause damage to the board .
Page 19 SERVICE (cont.) BREW/DILUTION TIMER (TB3 & TB6) (cont.) T riacs: TH-1/MV-1 Brew solenoid TH-2/MV-2 Dilution solenoid FIG. 19-1 BREW/DILUTION TIMER TRIACS 41722 070209.
Page 20 FIG. 20-1 DIGIT AL TIMER FIG. 20-2 DIGIT AL TIMER DIGIT AL BREW TIMER (TB3Q & TB6Q) SERVICE (cont.) Location: The timer is located in left side of the hood. T est Procedure NOTE: Do not remove or install wires while timer board is installed.
Page 21 SERVICE (cont.) DIGIT AL BREW TIMER (TB3Q & TB6Q) (cont.) T riacs: Q-1/MV-2 Brew solenoid output MV-1 Line in FIG. 21-1 DIGIT AL TIMER TRIACS 41722 070209.
Page 22 41722 070209 SCHEMA TIC WIRING DIAGRAM TB3Q (OPTIONAL) READY INDICA TOR BLU/BLK BLK SW . & THERMOST A T LIMIT THERMOST A T L1 BLK BLU/BLK BLK GREEN T ANK HEA TER N WHI WHI WHI WHI SW2 "KEEP WARM HEA TER" SW1 BLK WHI/VIO WHI/VIO WHI WHI WHI/ORA WHI/GRN WHI/YEL SOL 1 2 3 4 5 BREW TIMER 37234.
Page 23 41722 070209 SCHEMA TIC WIRING DIAGRAM TB3, TB3B, TB3-LP OPTIONAL READY INDICA TOR SWITCH & THERMOST A T LIMIT THERMOST A T "KEEP WARM" HEA TER ON/OFF SWITCH 37234.
Page 24 41722 070209 37234.0008B 10/08 © 2008 BUNN-O-MA TIC CORPORA TION SCHEMA TIC WIRING DIAGRAM TB3B W/HALF-BA TCH 100 V OL TS A C 120 V OL TS A C 2 WIRE + GND SINGLE PHASE OPTIONAL READY INDICA T.
Page 25 41722 070209 LIMIT THERMOST A T BLU/BLK T ANK HEA TER "KEEP WARM" HEA TER ST ART L1 N BLK WHI BLK BREW TIMER WHI WHI GREEN WHI/YEL WHI/ORA BLK WHI/GRN WHI/GRN WHI/VIO WHI BRN/WHI WHI.
Page 26 SCHEMATIC WIRING DIAGRAM TB6 WHI/ORN BRN/BLK LEFT/OFF/RIGHT SWITCH SW1B SW1D SW1C SW1A T ANK HEA TER BLK BLU/BLK L1 WHI BLK BLK WHI SW . & THERMOST A T WHI 120 V OL TS A C 2 WIRE SINGLE PHASE "KEEP WARM" HEA TER LIMIT THERMOST A T WHI/VIO WHI/YEL WHI/BLU TIMER 5 6 4 3 2 1 WHI/GRN WHI N WHI 41974.
Page 27 SCHEMATIC WIRING DIAGRAM TB6Q WHI/ORN BRN/BLK LEFT/OFF/RIGHT SWITCH SW1B SW1D SW1C SW1A T ANK HEA TER BLK BLU/BLK L1 WHI BLK BLK WHI SW . & THERMOST A T WHI 120 V OL TS A C 2 WIRE SINGLE PHASE "KEEP WARM" HEA TER LIMIT THERMOST A T WHI/VIO WHI/YEL TIMER 5 4 3 2 1 WHI/GRN WHI N WHI 41975.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Bunn TB6Q è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Bunn TB6Q - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Bunn TB6Q imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Bunn TB6Q ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Bunn TB6Q, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Bunn TB6Q.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Bunn TB6Q. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Bunn TB6Q insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
