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RAPIBREW FREDDA 1.0 Service Manual

Ai rapid cold brew maker
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AI Rapid Cold Brew Maker
Service Guide

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Summary of Contents for RAPIBREW FREDDA 1.0

  • Page 1 AI Rapid Cold Brew Maker Service Guide...

  • Page 3: Table Of Contents

    Contents Contents ..........................1 Before Getting Started ....................1 Tools/Equipment Needed ..................1 Pre-Maintenance Preparation ...................2 Diagnosing the Problem ....................5 Maintenance Procedures ....................11 Installing the Top Inner Cover .................11 Removing the Rear Cover ..................11 Connecting the Antenna ..................14 Replacing the Antenna Module ................14 Replacing the Mainboard ..................18 Replacing the Power Board ..................20 Replacing the Electromagnetic Valve ..............21...
  • Page 4 Removing the Top Cover ..................38 Replacing the Hinge Board ..................42 Replacing the Stirrer Motor ..................42 Securing the Stirrer Motor ..................46 Replacing the Plastic Rotary Head ................47 Replacing the Button Board ..................49 Removing the Hinge ....................50 Replacing the 6-Pin Stirrer Motor Cable ..............51 Replacing the 12-Pin Button Board Cable ...............52 Replacing the Lower Pot Sensor Board ..............53 Replacing the 12-Pin Daughter Board Cable ............55...

  • Page 5: Contents

    Before Getting Started Read the following sections in their entirety before you get started on any maintenance procedures to ensure that the entire process proceeds smoothly and without any issues. Tools/Equipment Needed Ensure that you have the following tools at your disposal. •...

  • Page 6: Pre-Maintenance Preparation

    Pre-Maintenance Preparation Prior to starting any maintenance procedures ensure that you have done the following: 1. Fill the upper pot with clean water and then start the self-cleaning mode on the machine to clean its tubes. 2. Power off the machine. 3.
  • Page 7 7. Check if the O-ring is installed in the middle console cover by sticking your finger into the opening at the center of the ground tray and feel if the O-ring seal is in place in its compartment inside the ground tray. If the O-ring is out of place or dislodged, please contact the vendor for a replacement O-ring.
  • Page 8 9. Anytime the rear cover is removed during maintenance procedures, immediately ensure that the following four screws inside the machine are secured tightly.

  • Page 9: Diagnosing The Problem

    Diagnosing the Problem The table below identifies issues with the machine that may require maintenance along with the corresponding procedures which may help resolve the issue. When you encounter any of the issues below, proceed with the first suggested solution listed.
  • Page 10 Issue Possible Cause Suggested Solution The lower pot 1. The lower pot cover 1. Ensure that the lower pot cover cover does not motor is not installed motor is secured properly. See descend properly. correctly. “Securing the Lower Pot Cover Motor”...
  • Page 11 Issue Possible Cause Suggested Solution The pump is not 1. The pump is faulty. 1. Replace the pump. See working. “Replacing the Pump” on 2. The mainboard is faulty. page 25 for instructions. 2. Replace the mainboard. See “Replacing the Mainboard” on page 18 for instructions.
  • Page 12 Issue Possible Cause Suggested Solution The upper pot 1. The top inner cover is 1. Install the top inner cover onto light does not light not installed. the top cover. See “Installing the Top Inner Cover” on 2. The upper pot is not page 11 for more instructions.
  • Page 13 Issue Possible Cause Suggested Solution The Wi-Fi light 1. The Wi-Fi antenna is not 1. Connect the antenna. See does not light up. connected properly. “Connecting the Antenna” on page 14 for instructions. 2. The Wi-Fi module is faulty. 2. Replace the mainboard. See “Replacing the Mainboard”...
  • Page 14 Issue Possible Cause Suggested Solution The red light is 1. The power current for 1. Replace the stirrer motor. DO solid red. the stirrer motor is too NOT replace the mainboard. high. See “Securing the Stirrer Motor” on page 46 for 2.

  • Page 15: Maintenance Procedures

    Maintenance Procedures Installing the Top Inner Cover Align the hole in the top inner cover to the knob for the stirrer and then place the top inner cover onto the top cover so that the magnets lock it in place. Removing the Rear Cover 1.
  • Page 16 2. Remove the two M2.5x6 round Phillips head machine-tapping screws securing the rear cover in place. 3. Lift the rear cover upwards to release it from the machine. CAUTION: DO NOT attempt to completely remove the cover at this point, as this will damage the antenna cable.
  • Page 17 4. Carefully separate the rear cover slightly from the machine. CAUTION: DO NOT pull or attempt to completely remove the cover at this point, as this will damage the antenna cable. 5. Disconnect the (A) 6-pin light board cable and (B) the wireless antenna cable from the mainboard and then remove the rear cover from the machine.

  • Page 18: Connecting The Antenna

    Connecting the Antenna 1. Follow steps 1 - 4 in “Removing the Rear Cover” on page 11. 2. Ensure that the antenna cable is properly connected to the connector on the mainboard. 3. Reverse the steps in “Removing the Rear Cover” on page 11 to re-install the rear cover.
  • Page 19 3. Work your way around the edges of the cosmetic logo sticker with the utility knife to detach its adhesive from the light panel. 4. Peel off the cosmetic logo sticker from the light panel.
  • Page 20 √ √ NOTE: When re-adhering the cosmetic logo sticker to the light panel, ensure that the four protrusions on the under side of the sticker fit into the four holes on the panel. 5. Remove the four M2.5x6 round Phillips head machine-tapping screws securing the light panel in place and then remove the panel from the rear cover.
  • Page 21 6. Remove the four black M2.5x5 round Phillips head self-tapping screws securing the antenna cover in place and then remove the antenna cover. 7. Peel off the antenna module from the light panel. √ √ NOTE: When re-adhering the antenna module to the light panel, ensure that the side with the antenna cable is oriented to the front side of the light panel.

  • Page 22: Replacing The Mainboard

    Replacing the Mainboard 1. Remove the rear cover from the machine. See “Removing the Rear Cover” on page 11 for instructions. 2. Disconnect the (A) 12-pin daughter board cable, (B) 3-pin lower pot cover motor cable, (C) 2-pin electromagnetic valve cable, (D) 3-pin pump cable, (E) 2-pin power cable, and (F) 6-pin stirrer motor cable from the mainboard.
  • Page 23 4. Remove the four black M2.5x5 round Phillips head self-tapping screws securing the mainboard in place and then carefully separate the mainboard from its compartment. CAUTION: DO NOT pull or attempt to completely remove the mainboard at this point as this will damage the 12-pin operation panel cable. 5.

  • Page 24: Replacing The Power Board

    Replacing the Power Board 1. Remove the rear cover from the machine. See “Removing the Rear Cover” on page 11 for instructions. 2. Disconnect the 2-pin power cable from the mainboard. 3. Remove the three black M2.5x5 round Phillips head self-tapping screws securing the power board in place and then carefully separate the board from its compartment from the machine.

  • Page 25: Replacing The Electromagnetic Valve

    4. On the reverse side of the power board remove the soldering that connects the AC power cable to the board, and then remove the board from the machine. √ √ NOTE: When re-installing the power board, you must re-solder the AC power cable to the power board.
  • Page 26 √ √ NOTE: The cable is bundled together with several other cables with a plastic cable tie which must be cut in order to remove the electromagnetic valve. After replacing the valve, re-bundle the cables together with a new cable tie in the same location. 3.

  • Page 27: Cleaning The Electromagnetic Valve

    4. Remove the two black M2.5x5 round Phillips head self-tapping screws securing the electromagnetic valve in place and then remove the valve from the machine. To install the electromagnetic valve, reverse the steps above. Cleaning the Electromagnetic Valve 1. Remove the electromagnetic valve from the machine. See “Replacing the Electromagnetic Valve”...
  • Page 28 3. Remove the module for the membrane from the electromagnetic valve. 4. Wipe the (A) plastic cap, (B) membrane module and (C) electromagnet completely clean of any coffee grounds or particles. √ √ NOTE: If the O-ring in the plastic cap falls out or gets dislodged during the cleaning process, ensure that the O-ring is re-installed into the cap.

  • Page 29: Replacing The Pump

    Replacing the Pump 1. Remove the rear cover from the machine. See “Removing the Rear Cover” on page 11 for instructions. 2. Disconnect the 3-pin pump cable from the mainboard. √ √ NOTE: The cable is bundled together with several other cables with a plastic cable tie which must be cut in order to remove the pump.
  • Page 30 3. Disconnect the (A) suction tube and (B) discharge tube from the pump. √ √ NOTE: When re-installing the pump, ensure that the discharge tube is tucked into the interior of the machine after reconnecting the tube to the pump and that it not bent or clogged when it is tucked. 4.
  • Page 31 √ √ NOTE: The two screws for the pump may be covered by sealant, if so use pliers to remove the sealant before removing the screws and then re- apply sealant over the two screws when you have finished re- installling the pump.

  • Page 32: Opening The Middle Console Cover

    Opening the Middle Console Cover 1. Remove the four black stainless steel M2.5x8 countersunk Phillips head machine- tapping screws securing the middle console cover in place. √ √ NOTE: When re-installing the middle console cover, DO NOT fully tighten the four screws as tightening each screw fully will prevent the machine from working properly.
  • Page 33 3. Disconnect the electromagnetic valve intake tube from the underside of the middle console cover. 4. Move the console cover to the side in order to access the remaining parts. √ √ NOTE: The middle console cover will still remain attached to the machine via the middle console sensor board cable.

  • Page 34: Replacing The Middle Console Sensor Board

    Replacing the Middle Console Sensor Board 1. Open the middle console cover. See “Opening the Middle Console Cover” on page 28 for instructions. 2. Disconnect the middle console sensor board cable from the sensor board. 3. Remove the two black M2.5x5 Phillips head self-tapping screws securing the middle console sensor board in place, and then remove the board from the middle console cover.

  • Page 35: Replacing The Lower Pot Cover Motor

    Replacing the Lower Pot Cover Motor 1. Remove the rear cover from the machine. See “Removing the Rear Cover” on page 11 for instructions. 2. Disconnect the 3-pin lower pot cover motor cable from the mainboard. 3. Open the middle console cover. See “Opening the Middle Console Cover” on page 28 for instructions.
  • Page 36 5. Push the lower pot cover motor to the left and then lift it out while unthreading the cable from the inside of the machine to remove the motor. 6. Loosen the M3x5 hexagonal Nylok set screw securing the rotary head in place and then remove the head from the motor.

  • Page 37: Correcting The Lower Pot Cover Pressure

    Correcting the Lower Pot Cover Pressure 1. Open the middle console cover. See “Opening the Middle Console Cover” on page 28 for instructions. 2. Rotate the lower pot cover pressure screw counter-clockwise 90 degrees (1/4 a rotation). 90˚ √ √ NOTE: The screw for the lower pot cover may be covered by sealant, if so use pliers to remove the sealant before removing the screw.
  • Page 38 3. Fully re-assemble the machine. 4. Place the lower pot into its compartment so that its handle is oriented towards one side of the machine. 5. Run the coffee-making process one time and then proceed with the corresponding action based on whichever one of the following scenarios you encounter: •...

  • Page 39: Securing The Lower Pot Cover Motor

    Securing the Lower Pot Cover Motor 1. Open the middle console cover. See “Opening the Middle Console Cover” on page 28 for instructions. 2. Check if the rotary head at the tip of the motor is fitted securely into teeth of the conveyor beam.

  • Page 40: Cleaning/Replacing The Liquid Intake/Output Tubes

    Cleaning/Replacing the Liquid Intake/Output Tubes 1. Open the middle console cover. See “Opening the Middle Console Cover” on page 28 for instructions. 2. Disconnect (A) the output tube from the L-shaped connection tube of the middle console cover and (B) the intake tube from the connection tube in the middle console.
  • Page 41 √ √ NOTE: When re-installing the tubes, ensure that the liquid output tube is connected to the (A) inner valve and the liquid intake tube is connected to the (B) outer valve. 5. Remove both tubes from the machine. To install the intake/output tubes, reverse the steps above. √...

  • Page 42: Removing The Top Cover

    Removing the Top Cover 1. Remove the rear cover from the machine. See “Removing the Rear Cover” on page 11 for instructions. 2. Disconnect the 6-pin stirrer motor cable from the mainboard. 3. Remove the four black M2.5x5 round Phillips head self-tapping screws securing the mainboard in place and then carefully separate the mainboard from its compartment.
  • Page 43 4. Disconnect the 12-pin operation panel cable from the mainboard. √ √ NOTE: The cable connector features a latch that requires the user to pinch in order to disconnect it from the mainboard. 5. Remove the single M2.5x4 round Phillips head machine-tapping screw securing the hinge side cover in place, and then remove the cover from the machine.
  • Page 44 6. Remove the four M3x6 round Phillips head machine-tapping Nylok screws securing the top cover in place. 7. Lift the top cover off the machine while unthreading the cables through the opening in the machine. CAUTION: DO NOT pull or attempt to completely remove the top cover at this point as this will damage its hinge board cable connection.
  • Page 45 8. Disconnect the 12-pin daughter board cable from the hinge board. 9. Unthread the cables from the inside of the machine while completely removing the top cover from the system. To re-install the top cover, reverse the steps above.

  • Page 46: Replacing The Hinge Board

    Replacing the Hinge Board 1. Remove the top cover from the machine. See “Removing the Top Cover” on page 38 for instructions. 2. Remove the two M2.5x6 round Phillips head machine-tapping screws securing the hinge board in place, and then remove the board from the system. To install the hinge board, reverse the steps above.
  • Page 47 3. Remove the four black stainless steel M2.5x5 Phillips head self-tapping screws securing the operation panel in place. 4. Lift and then flip open the operation panel. CAUTION: DO NOT pull or attempt to completely remove the operation panel at this point as this will damage its cable connections.
  • Page 48 5. Disconnect the 6-pin stirrer motor cable from the motor. 6. Remove the four black M2.5x5 Phillips head self-tapping screws securing the stirrer motor in place, and then lift the stirrer motor to remove it from the top cover. √ √ NOTE: If you are removing the stirrer motor to access and remove another part, you can skip the steps below and proceed to the steps for the respective part.
  • Page 49 7. Loosen the M3x5 hexagonal Nylok set screw securing the rotary head in place and then remove the head from the motor. 8. Remove the two black M3x6 countersunk Phillips head machine-tapping screws securing the motor bracket in place and then remove the bracket from the motor. To install the stirrer motor, reverse the steps above.

  • Page 50: Securing The Stirrer Motor

    Securing the Stirrer Motor 1. Follow steps 1 - 3 in the Stirrer Motor section to open the operation panel. See “Replacing the Stirrer Motor” on page 42 for instructions. 2. Check if the alignment pegs between each pair of screws that secure the stirrer motor in place is aligned in the position shown in the image below.

  • Page 51: Replacing The Plastic Rotary Head

    Replacing the Plastic Rotary Head 1. Remove the stirrer motor. See “Replacing the Stirrer Motor” on page 42 for instructions. 2. Remove the four black M2.5x5 Phillips head self-tapping screws securing the plastic rotary head bracket in place, and then remove the bracket from the machine. 3.
  • Page 52 4. Remove the single black M2x5 Phillips head self-tapping screw securing the plastic rotary head's magnet in place, and then remove the M2 stainless steel washer and magnet from the rotary head. 5. Pull the plastic rotary head out from its metal ring to remove it. √...

  • Page 53: Replacing The Button Board

    Replacing the Button Board 1. Follow steps 1 - 3 in the Stirrer Motor section to open the operation panel. See “Replacing the Stirrer Motor” on page 42 for instructions. 2. Disconnect the 12-pin button board cable from the button board and cut the plastic cable tie tying the cable to operation panel.

  • Page 54: Removing The Hinge

    Removing the Hinge 1. Remove the top cover from the machine. See “Removing the Top Cover” on page 38 for instructions. 2. Remove the two black M2.5x5 Phillips head machine-tapping screws securing the hinge to the top cover. 3. Rotate the hinge 90 degrees to a fully open angle. 4.

  • Page 55: Replacing The 6-Pin Stirrer Motor Cable

    5. Remove the hinge from the top cover while unthreading the 6-pin stirrer motor cable and button board cable from the opening in the hinge. To re-install the hinge, reverse the steps above. Ensure you also follow the cable routing instructions in “Stirrer Motor and Button Board Cable”...

  • Page 56: Replacing The 12-Pin Button Board Cable

    4. Unthread the 6-pin stirrer motor cable from the slit in the top cover to remove it. To install the 6-pin stirrer motor cable, reverse the steps above. Ensure you also follow the cable routing instructions in “Stirrer Motor and Button Board Cable” on page 59. Replacing the 12-Pin Button Board Cable 1.

  • Page 57: Replacing The Lower Pot Sensor Board

    4. Unthread the 12-pin button board cable from the slit in the top cover to remove it. To install the 12-pin button cable, reverse the steps above. Ensure you also follow the cable routing instructions in “Stirrer Motor and Button Board Cable” on page 59. Replacing the Lower Pot Sensor Board 1.
  • Page 58 2. Disconnect the 12-pin daughter board cable from the lower pot sensor board. 3. Remove the single black M2.5x5 Phillips head self-tapping screw securing the lower pot sensor board in place, and then remove the board. To install the lower pot sensor board, reverse the steps above.

  • Page 59: Replacing The 12-Pin Daughter Board Cable

    Replacing the 12-Pin Daughter Board Cable √ √ √ √ NOTE: The cable is secured in place at multiple locations with plastic cable ties which must be cut in order to remove the cable. After replacing the cable, re-secure the cable with new cable ties in the same locations. 1.
  • Page 60 2. Disconnect the 12-pin daughter board cable from the lower pot sensor board. 3. Remove the rear cover from the machine. See “Removing the Rear Cover” on page 11 for instructions. 4. Disconnect the 12-pin daughter board cable from the mainboard. √...
  • Page 61 5. Follow steps 1 to 3 in the power board section to separate the power board from its compartment. See “Replacing the Power Board” on page 20 for instructions. 6. Open the middle console cover. See “Opening the Middle Console Cover” on page 28 for instructions.
  • Page 62 9. Disconnect the 12-pin daughter board cable from the bottom lift sensor board. 10. Follow steps 3 to 10 in the top cover section to disconnect the 12-pin daughter board cable from the hinge board. See “Removing the Top Cover” on page 38 for instructions.

  • Page 63: Cable Routing

    Cable Routing Stirrer Motor and Button Board Cable When routing the stirrer motor and button board cable, follow the instructions below: 1. Thread the two cables through the slit at the rear of the top cover. 2. Route the two cables squarely in the center of the U-shaped cut-out/gap at the rear of the top cover.
  • Page 64 3. Install the hinge into its compartment on the top cover and install the two black M2.5x5 Phillips head machine-tapping screws to secure the hinge in place. 4. Thread the two cables through the middle opening in the hinge.

  • Page 65: 12-Pin Daughter Board Cable

    5. Tug on the two cables to check if there is slack and that they are not being squeezed/impinged by the hinge. If there is not any slack on the cables, remove the hinge and then repeat the steps above. 12-Pin Daughter Board Cable When routing the 12-pin daughter board cable, follow the instructions below: •...
  • Page 66 • Route the (B) middle console sensor cable (labeled “Tcup”) and (C) top lift sensor board cable (labeled “TLIFT”) through the opening in the center of the machine’s middle column. • Route the (D) bottom lift sensor cable (labeled “BLIFT”) and (E) lower pot sensor cable (labeled “BcuP”) through the routing channel and then through the opening in the center of the machine’s middle column.

  • Page 67: Lower Pot Cover Motor Cable

    Lower Pot Cover Motor Cable When routing the lower pot cover motor cable, route the cable through the routing channel and then through the opening in the center of the machine’s middle column.

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