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Manafacture: Bunn File size: 1.59 mb File name: 10145.0000.pdf Language of manual:

6. Place the ON/OFF or SELECTOR switch in the “ON” position. 7. Momentarily press the start switch. CAUTION -The funnel contains hot liquids. Remove funnel slowly. 8. Carefully remove the brew funnel and discard the used filter when tea no longer drips from the funnel tip. 9. Place the ON/OFF or SELECTOR switch in the "OFF" position to prevent a false start. 10. Fresh tea is available at the faucet. 10145 072600 Page 7 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 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 to 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. • Unplug the brewer when servicing, except when electrical tests are specified. • Follow recommended service procedures • Replace all protective shields or safety notices Problem Probable Cause Remedy Brew cycle will not start 1. No water Water lines and valves to the brewer must be open. 2. No power or incorrect voltage to Check circuit breakers or fuses. the brewer 3.External Strainer/ Flow Control (A) Direction of flow arrow must be (.750 GPM) pointing towards the brewer. (B) Remove the strainer/flow control and check for obstructions. Clear or replace. 4. (A) ON/OFF Switch (T3) Refer to Service - ON/OFF Switch for testing. See page 24 (B) Selector Switch (T6) Refer to Service- Selector Switch for testing. See page 24 10145 072600 Page 8 TROUBLESHOOTING (cont.) PROBLEM Brew cycle will not start (cont.) Water is not hot Dilution cycle will not start PROBABLE CAUSE 5. Start Switch 6. Brew Timer 7. Brew Solenoid Valve 8. Internal Flow control (.195 GPM) 1. Limit Thermostat CAUTION -Do not eliminate or bypass limit thermostat or thermal cut-off. Use only BOM replacement part #29329.1000 2. Control Thermostat 3. Tank Heater 1. (A) ON/OFF Switch (T3) (B) Selector Switch (T6) 2. Start Switch 3. Dilution Timer Page 9 REMEDY Refer to Service- Start Switch for testing procedures. See page 26 Refer to Service-Brew Timer for testing procedures. See page 17 or 18 Refer to Service - Brew Solenoid Valve for testing procedures. See page 15 (A) Direction of flow arrow must be pointing towards brewer. (B) Remove the flow control and check for obstructions. Clear or replace. Refer to Service- Limit Thermostat for testing procedures. See page 23 Refer to Service- Control Thermostat for testing procedures. See page 20 Refer to Service- Tank Heater for testing procedures. See page 27 Refer to Service - ON/OFF Switch for testing procedures. See page 24 Refer to Service- Selector Switch for testing procedures. See page 24 Refer to Service- Start Switch for testing procedures. See page 26 Refer to Service- Dilution Timer for testing procedures. See page 22 10145 072600 TROUBLESHOOTING (cont.) PROBLEM Dilution cycle will not start (cont.) Inconsistent beverage level in dispenser Consistently high or low beverage level in the dispenser PROBABLE CAUSE 4. Dilution Solenoid Valve 1. Internal Flow Control (.195 GPM) 2. Syphon System 3. Lime Build-up CAUTION -Tank and tank components should be delimed regularly depending on local water conditions. Excessive mineral build-up on stainless steel surfaces can initiate corrosive reactions resulting in serious leaks. 4. Water Pressure 1. Brew Timer/Dilution Timer 2. External Strainer/Flow Control (.750GPM) REMEDY Refer to Service- Dilution Solenoid Valve for testing procedures. See page 21 (A) Direction of flow arrow must be pointing towards the brewer. (B) Remove the flow control and check for obstruction. Clear or replace. The brewer must be level or slightly lower in front to syphon properly. Inspect the tank assembly for excessive lime deposits. Delime as required. The water pressure to the brewer must be at least 20 psi (138 kPa). With the ON/OFF switch "ON" adjust the brew timer to achieve the recommended 76 oz of concentrate then the...

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