Assessments - 3, GPA: 4.3
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b) Place an empty shuttle (with lid removed) under the sprayhead. c) Place a measuring cup under the bypass outlet. d) Press START and brew water for about 30 sec. or until measuring cup is almost full. e) Record the amount of water in the bypass measuring cup. f) Add the water from the measuring cup to the shuttle; measure total volume and record. Bypass % = (Bypass Volume/Total Volume) X 100 • Adjust the bypass valve setting and repeat measuring process until valve is set as desired. CARE AND CLEANING WARNING: BURN HAZARD! HOT LIQUIDS AND SURFACES ARE PRESENT IN THIS EQUIPMENT. TO AVOID BURNS, USE CAUTION WHEN CLEANING. RINSE HOT PARTS WITH COLD WATER BEFORE CLEANING. USE GLOVES OR A HEAVY CLOTH WHEN REMOVING HOT PARTS FROM BREWER. EVERYDAY • Wash the brew baskets with warm, soapy water. The wire basket can be removed to aid cleaning of the brew basket. • Remove the spray heads that are located above the brew baskets using gloves or a heavy towel. Wash to remove any coffee oils and to clean any plugged holes. • Clean shuttles and insulated containers with warm, soapy water and a plastic or non-abrasive brush or towel. • Clean airpots with warm, soapy water and a bottle brush. Take care not to break the glass interior. Use only a soft cloth and warm, soapy water or stainless steel polish on the outside to avoid scratching exterior surface. • Wipe the exterior of the brewer with a damp cloth. Do not use abrasives, which can scratch brewer surfaces. • If shuttles are to be left on warmer overnight, fill with water to avoid coffee oil burn-in. WEEKLY OR BIWEEKLY, DEPENDING UPON USE • Fill the shuttle, airpot or insulated container with hot water to about 2/3 full. • Pour the recommended amount of urn cleaner into the container. (Excessive amounts of cleaner will attack the stainless steel lining of the shuttle and insulated container.) • Scrub the liner interior with a plastic bristle brush. • Remove the knurled nut at the top of the gauge glass and clean the glass with a small bottle brush. • Pour out the contents of the shuttle. • Remove the handle assembly of the shuttle or insulated container faucet by unscrewing the plastic bonnet. • Gently wash the faucet seat cup with a soft cloth and warm, soapy water. • Wash the faucet shank with a bottle brush. • Soak the airpot pick-up tube assembly in hot, soapy water. Urn cleaner may be used for stronger cleaning. • Clean the warmer and bottom of shuttle surfaces; these surfaces must be clean for proper heat transfer. • Polish the exterior of the brewer with stainless steel cleaner. Use the appropriate cleaner for brass, copper or vinyl if these optional finishes are provided. BYPASS VALVE Figure D Page 5 AMERICAN METAL WARE® BREWERS The following pages are provided to help determine the cause of problems with operation of the brewers and to indicate the appropriate solution for the problems. For each problem, the possible cause should be checked in the order shown until the exact nature of the problem is determined. AMERICAN METAL WARE® BREWERS The following pages are provided to help determine the cause of problems with operation of the brewers and to indicate the appropriate solution for the problems. For each problem, the possible cause should be checked in the order shown until the exact nature of the problem is determined. The following procedures must be performed by a qualified service technician. TROUBLESHOOTING GUIDE Problem Possible Cause Solution ER1 • Fill valve on for over 5 min. (This occurs during initial fill on some units. See Initial Start-up) • Check system for water leaks. Correct any leaks and reset controller. ER2 • Thermistor failure or loose connections in thermistor circuit. • Ensure that connector CN7 is securely attached to controller and that the thermistor disconnect is securely connected. Secure connections and reset controller. If error reoccurs, replace thermistor. FILLING PROBLEMS Overfilling water tank when power is OFF • Fill valve not sealing properly. • Fill valve installed backwards. • Check to see if water enters tank continuously (usually at a slow rate). Disassemble valve and clean out debris. Valve may need a new plunger if seal is worn. • Look for flow direction arrow on valve body. If arrow on valve is pointing toward water inlet, remove valve and install arrow pointing away from inlet. Overfilling water tank when power is ON • High electrode coated with lime or faulty. • Connection from control board to tank body faulty. • Control board is faulty. • Disconnect electrode wire at quick connect (red wire). Connect a wire from the quick connect to the cabinet body. If filling stops, this is the error cause. Remove electrode assembly and clean the probes. If problem is not corrected, replace electrode assembly. • Check to ensure connection (yellow wire) is secure. Make connection to tank secure. • Secure connection from control board to metal enclosure does not stop filling. Replace control board. Tank does not refill • No...
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