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PROGRAMMING MANUAL
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
41154.0000B 12/09 ©2008 Bunn-O-Matic Corporation
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BUNN-O-MATIC 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. 3) Compressors on refrigeration equipment: 5 years parts and 1 year labor. 4) Grinding burrs on coffee grinding equipment to grind coffee to meet original factory screen sieve analysis: parts and labor for 3 years or 30,000 po
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INTRODUCTION 1 This equipment will brew a ⁄2 gallon batch of coffee into an awaiting decanter. The brewer may have a hot water faucet for allied beverage use. It is only for indoor use on a sturdy counter or shelf. CONTENTS Adjustments & Programming ................................................................ 4 Troubleshooting ................................................................................... 14 41154 041708 Page 3
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ADJUSTMENTS & PROGRAMMING PROGRAMMING THE BREWER The programming of the brewer is divided into two levels. Brewing adjustments are in "BrewWiz- ard". Service functions are accessed in Level 2. The following function screens are in order of appearance. Each screen will have instructions on how to access, and the procedures to program the various functions of the brewer. IMPORTANT PROGRAMMING NOTES - READ CAREFULLY - To exit the programming mode at any time, press and release "ENABLE BREW ON
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ADJUSTMENTS & OPTIONAL SETTINGS (CONT.) PROGRAMMING FUNCTIONS - BrewWIZARD (cont.) The functions in the "BrewWIZARD" allow the operator to adjust brew settings and other features. BREW OZ: This function allows the operator to adjust the brew volume. Procedure: 1. Press and hold the right hidden switch until the display reads "BrewWIZARD" and release. 2. The display will then read: "BREW OZ: xx.x" 3. Press (-) "Digital" to decrease the amount, or (+) "Control" to increase. Range: (10 to 192 o
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ADJUSTMENTS & OPTIONAL SETTINGS (CONT.) ENABLE ADS able characters. When the desired character This function allows the operator to choose wheth- is shown on the display, press and release er or not to display an advertising message. An "NEXT" to move to the next character in the ad can be saved to the brewer by writing the ad top line. using the programming commands. This message 11. Repeat step 10 until the top line is com- will be displayed when the brewer is idle. plete. 12. Press and re
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ADJUSTMENTS & OPTIONAL SETTINGS (CONT.) ENABLE ADS ? NO DONE YES NOTE: The available characters are: A through Z 0 through 9 NEW AD ? ! " # $ % & ' ( ) * + , - . / : ; < = > ? @ NO YES 2 LINES 16 CHARS SCROL THRU ALPHA WRITE TOP LINE ? NO YES AVAILABLE NEXT NEXT LETTER WRITE BTM LINE ? A NO YES SCROLL DONE NEXT ENTER SERVICE #? SAVE ? NO EDIT YES ADVERTISEMENT ADVERTISEMENT NOT SAVED ! SETUP COMPLETE
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ADJUSTMENTS & OPTIONAL SETTINGS (CONT.) SERVICE NUMBER This function allows the operator to enter in the telephone number to call if service is needed. The service number will be displayed anytime there is a fault message displayed. Procedure to enter the service number: 1. Press and hold the right hidden switch until ENTER SERVICE #? the display reads "BrewWIZARD" then release. NO YES Press and release the right hidden switch until the display reads: "ENTER SERVICE #
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ADJUSTMENTS & OPTIONAL SETTINGS (CONT.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) NOTE: Access to the remaining functions in LEVEL 2 is intended for trained service personnel only. More in depth information can be found in the Axiom Service Manual 39132.0000 Any 3 digit number may be programmed to prevent unauthor- SET PASSWORD ized access of LEVEL 2. BE CAREFUL TO USE A CODE YOU WILL 0 0 0 REMEMBER! Choose between English or Spanish. After selecting "YES", SET LANGUAGE pr
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ADJUSTMENTS & OPTIONAL SETTINGS (CONT.) "EASY PULSE BREW" times: Min: Base brew time + 40 seconds PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) Max: Base brew time + 3:00 minutes This function allows the sprayhead to “pulse” on and off dur- SET PULSE BREW ? ing a brew cycle. These times can be set two different ways. NO YES The first is by setting the total brew time in the "EASY PULSE BREW" screen. The other option allows the actual times to be entered in the "MANUAL PUL
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ADJUSTMENTS & OPTIONAL SETTINGS (CONT.) PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) The BrewLogic system allows the brewer to be calibrated to ENABLE BrewLOGIC high mineral locations and compensate as deposits build up NO DONE YES internally. Press YES, then press DONE. Follow the prompts. Pertains only to software version 1.07 & above! Go to SPRAY OZ/M: Select a sturdy, level location. PLACE BREWER IN Brewer must not be bumped during calibration! FINAL LOCATION Select YES for calibrati
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PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) When the dispensing finishes, empty the decanter/server and CONTAINER READY? place back under brew funnel. QUIT YES Select YES for calibration. Selecting QUIT will skip to level probe calibration screen. Go to CAL LP1-LP2 Press the "BREW START" button. Will perform the sprayhead CALIBRATE SPRAY flow-rate calibration as well as the level probe calibration. PRESS BREW START Brewer must not be bumped during calibration! Machine wi
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PROGRAMMING FUNCTIONS - LEVEL 2 (cont.) View or enter the actual flow rate coming out of the sprayhead. SPRAY OZ/M: 25.0 This is used to tell the internal controller how fast the water (-) DONE (+) is flowing. Use the "CALIBRATE FLOW" screen to obtain the most current flow rate. Range: (3.0 to 75.0 oz) or (100 to 2200ml) This function provides a 60 second test mode to capture CALIBRATE FLOW ? water from the sprayhead. This measurement will then give NO
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TROUBLESHOOTING PROBLEM PROBABLE CAUSE REMEDY Temperature Too Low 1. Water temperature in the A) Wait for the brewer to heat tank does not meet the ready to the proper temperature. temperature. B) Disable the BREW LOCK- OUT function. Refer to program- ming section for procedure. Heating Time Too Long 1. Tank Heater failure. Service required 2. Control Board/Thermistor Service required failure Fill Time Too Long 1. Water shut off to brewer Check water supply shut-off 2. Supply line too small o
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TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Brew cycle will not start 1. No water Check plumbing and shut-off valves 2. Water temperature in the A) Wait for the brewer to heat tank does not meet the ready to the proper temperature temperature. B) Disable the BREW LOCK- OUT function. Refer to program- ming section for procedure. Turn on 3. "ENABLE BREW ON/OFF" switch not on. Service required 4. Brew switch Service required 5. Brew valve Service required 6. Control Board Spitting or
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TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Weak beverage. 1. Type of paper filter BUNN paper filters should be used for proper extraction 2. Coffee For coffee, a sufficient quantity of fresh drip or regular grind should be used for proper ex- traction. 3. Sprayhead A BUNN sprayhead should be used to properly wet the bed of ground coffee in the funnel 4. Funnel Loading The BUNN paper filter should be centered in the funnel and the bed of grounds leveled by gently shaking. 5. W
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TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Brewer is making unusual 1. Solenoids vibrating Service required. noises. 2. Plumbing lines Plumbing lines should not be resting on the countertop. 3. Water supply The brewer must be connected to a cold water line. Water pres- sure to the brewer must not be higher than 90 psi (620 kPa). Install a regulator if necessary to lower the working pressure to approximately 50 psi (345 kPa). 4. Tank heaters Service required. "CHECK SPRAYHEAD
