Assessments - 1, GPA: 4
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(C) Check brass elbow in tank for debris 2. Replace or repair inlet valve as needed Dry Coffee Remaining on Brew Basket 1. Filters 2. Not siphoning properly 3. Improper loading of brew basket 1. Are correct filters being used 2. Refer to “dripping” step 1 3. Filter and coffee in brew basket 1. Use correct filter 2. Refer to “dripping” step 1 3. Filter should be centered in brew basket and coffee bed should be level. Warmer Station 1. Warmer - defective 2. Warmer On/Off switch 3. Bad harness 1. Voltage at warmer terminals should be 120V (230V for E models). 2. If voltage is not present on warmer terminals, check continuity of switch 3. Check connections between harness and switch, and between switch and warmer. 1. If voltage is present on terminals, but warmer is not heating, replace warmer. 2. If switch does not make and break continuity when turned on and off, replace switch. 3. All connections should be tight. Overflowing 1. Receiving container not completely empty at start of brew cycle. 2. Not siphoning properly 3. Adjust timer 1. Operating instructions 2. Refer to “dripping” step 1. 3. Check valve on-time with watch 1. Always start brew cycle with empty container. 2. Refer to “dripping” step 1. 3. Refer to “Brew Volume Adjustment” section Low Pot Level 1. Adjust timer 1. Check valve on-time with watch 1. Refer to “Brew Volume Adjustment” section Excessively Long Brew Times 1. Lime scale build-up 1. Remove spray head deflector and check nozzle. 1. Delime machine. Little or No Water From Faucet 1. Lime scale build-up 2. Clogged inlet valve Be sure water is turned on. 1. Delime heat exchanger. 2. Replace or repair inlet valve. If you still need help, call an authorized dealer in your area or Grindmaster Corporation’s Technical Service Department. You can reach Technical Service at (502) 425-4776 or (800) 695-4500 (USA and Canada only) Monday - Friday, 8:00 AM - 8:00 PM EST. Please have the model and serial number ready so that accurate information can be given. Prior authorization must be obtained from Grindmaster Corporation’s Technical Service Department for all warranty claims. Page 12 Auto Series Brewer Manual COMPONENT REPLACEMENT INSTRUCTIONS . WARNING - Disconnect power before servicing. Risk of electric shock. These steps apply to replacement of TANK, TANK HEATER, and HI-LIMIT or MAIN THERMOSTAT 1. Remove brewer lid. Disconnect electrical connectors from upper warmer plate if applicable. 2. Remove pour in basin assembly (receiving pan). 3. Disconnect electrical terminals and hoses as needed. 4. Remove front two screws mounting the tank. 5. Lift tank and lid completely out of tank. 6. Remove two rear screws mounting tank to tank lid. 7. Reverse steps 1-6 to reassemble new tank assembly. THERMOSTAT, HI-LIMIT 1. Disconnect wires to hi-limit thermostat. 2. Remove two screws and remove thermostat. 3. Check continuity of the new hi limit thermostat before installing. 4. Screw down new t-stat and reconnect wires. 5. Make sure the hi-limit thermostat is securely mounted and that all electrical connections are tight and isolated. MAIN THERMOSTAT 1. Disconnect wires and remove tank and tank lid assembly. 2. Remove two rear screws mounting tank to tank lid. 3. Remove screws which secure thermostat to tank lid. 4. Loosen thumb nut securing capillary bulb. 5. Remove grommet from top of tank lid by pressing up with thumb and pulling capillary bulb out through hole. 6. Reverse steps 1-5 to reassemble new tank assembly. TANK HEATING ELEMENT 1. Disconnect wires and remove tank and tank lid assembly. 2. Remove two rear screws mounting tank to tank lid. 3. Loosen thumb nut securing capillary bulb and remove bracket. 4. Remove two brass nuts and remove element. 5. Install new element and washers with nuts secured tightly. 6. Inspect tank lid gasket and replace if necessary. 7. Reverse steps 1-3 to reassemble. WARMER ELEMENT 1. Remove retaining screws from warmer plate. 2. Lift plate and disconnect leads. 3. Remove nuts and washers holding retaining plate and warmer element to plate. 4. Reverse steps 1-3 to reassemble. Auto Series Brewer Manual Page 13 Grindmaster® Coffee Grinders and Brewers • PrecisionBrew™ Brewing Systems • Espressimo® Espresso Machines Crathco® Hot Beverage Dispensers • Crathco® Cold and Frozen Beverage Dispensers • AMW Coffee...
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