1-3 - R4.5 Cleaning Tool Undetected

Modified on Tue, 3 Jun at 11:34 PM

According to the problem analysis result done by TSA, you can directly begin the subsequent troubleshooting process from the corresponding potential root cause.

1. Blender Interlock

1-3-1-1 - Use a flathead screwdriver to press on the interlock and observe its rebound speed.

Result 1 - Rebound slowly.
Start 1-3-1-2.
Result 2 - Rebound within 1 sec.
Start 1-3-2-1.

1-3-1-2 - Use a paper towel to dip hot water to wipe clean the syrups covering the interlock & the blender base. Then, verify if the blender is operational when the cleaning tool is placed on the blender.

Result 1 - Can blend.
Issue close.
Root cause: Blender interlock sticks/fails
Result 2 - Cannot blend.
Restart 1-3-2-1.

2. Cleaning Tool

1-3-2-1 - Inspect the underside of the cleaning tool for damage to the positioning seat fin.

Result 1 - The positioning seat fin is damaged.
Start 1-3-2-2.
Result 2 - The positioning seat fin is not damaged.
Start 1-3-2-3.

1-3-2-2 - Replace the positioning seat (See SOP here), and verify the cleaning tool detection when starting the cleaning process.

Result 1 - Can be detected.
Issue close.
Root cause: Positioning seat damaged
Result 2 - Cannot be detected.
Start 1-3-2-3.

1-3-2-3 - Check if the cleaning tool ball valve can be triggered when starting the cleaning process (you should be able to hear a humming sound from the cleaning tool ball valve).

Result 1 - Can be triggered.
Start 1-3-4-1.
Result 2 - Cannot be triggered.
Start 1-3-2-4.

1-3-2-4 - Switch the cleaning ball valve one time on the Control page, and measure the voltage at the electrodes on the countertop. The expected reading should be 24V.

Result 1 - The reading is 24V.
Start 1-3-2-5.
Result 2 - The reading is not 24V.
Start 1-3-3-1.

1-3-2-5 - Verify if the spring-loaded pins under the cleaning tool can rebound properly.

Result 1 - The spring-loaded pins can rebound.
Start 1-3-2-7.
Result 2 - The spring-loaded pins cannot rebound.
Start 1-3-2-6.

1-3-2-6 - Replace the spring(s), then verify if the spring-loaded pins can rebound properly.

Result 1 - The spring-loaded pins can rebound.
Start 1-3-2-7.
Result 2 - The spring-loaded pins cannot rebound.
Escalate to FAE.

1-3-2-7 - Verify if all four rubber feet of the cleaning tool are touching the countertop.

Result 1 - Four rubber feet are touching the countertop.
Start 1-3-2-10.
Result 2 - Any of the rubber foot is not touching the countertop.
Start 1-3-2-8.

1-3-2-8 - Tilt the cleaning tool until the corresponding feet (as listed below) touch the countertop, and verify that the spring-loaded pins are touching the electrodes:

Forward: Both front feet

Forward-left: Left front foot

Forward-right: Right front foot

Result 1 - The spring-loaded pins are touching the electrodes.
Start 1-3-2-10.
Result 2 - Any of the spring-loaded pins is not touching the electrode.
Start 1-3-2-9.

1-3-2-9 - Use washers to elevate the foot(feet) that cannot reach the foot of the electrode(s) when tilted. Ensure the foot(feet) are touching the electrodes when tilting.

Then, start 1-3-2-10.

1-3-2-10 - Remove everything on the blender base, and press the reboot button for 10 seconds. Then verify if the detection works correctly through the cleaning preparation page.

Result 1 - Can be detected.
Issue close.
Root cause: The cleaning tool is disconnected from the electrodes.
Result 2 - Cannot be detected.
Start 1-3-4-1.

3. Power

1-3-3-1 - Verify that the wire "J21(B.valve clean)" is securely connected to the connectors in the water system compartment.

Result 1 - Not securely connected.
Start 1-3-3-2.
Result 2 - Securely connected.
Start 1-3-3-3.

1-3-3-2 - Reconnect the wire. Then, verify the cleaning tool detection when starting the cleaning process.

Result 1 - Can be detected.
Issue close.
Root cause: Cleaning ball valve wire disconnected.
Result 2 - Cannot be detected.
Start 1-3-3-3.

1-3-3-3 - Measure the voltage on the extension wire connector (label: J21 B.valve clean) in the side compartment. The expected reading should be 24V DC

Result 1 - The reading is 24V.
Start 1-3-3-4.
Result 2 - The reading is not 24V.
Start 1-3-3-9.

1-3-3-4 - Remove the countertop (see Step 1 & 2 in this SOP), then verify if the insulation material of the two wires connecting to the electrodes is damaged.

Result 1 - The wire is damaged.
Start 1-3-3-5.
Result 2 - The wire is in fine condition.
Start 1-3-3-6.

1-3-3-5 - Insulate the exposed parts of the wiring. Then verify if the voltage at the electrodes is 24V DC.

Result 1 - The reading is 24V.
Start 1-3-3-8.
Root cause: Damaged wire.
Result 2 - The reading is not 24V.
Start 1-3-3-6.

1-3-3-6 - Verify if the wires are securely connected to the electrodes.

Result 1 - Not securely connected.
Start 1-3-3-7.
Result 2 - Securely connected.
Escalate to FAE.

1-3-3-7 - Reconnect the wires with the electrodes, then verify if the voltage on the electrodes is 24V DC.

Result 1 - The reading is 24V.
Start 1-3-3-8.
Root cause: Wire is disconnected.
Result 2 - The reading is not 24V.
Escalate to FAE.

1-3-3-8 - Install the countertop back (see Step 4 in this SOP). Then, verify the cleaning tool detection when starting the cleaning process.

Result 1 - Can be detected.
Seal the edge with silicone (see SOP here). Issue close.
Result 2 - Cannot be detected.
Start 1-3-4-1.

1-3-3-9 - Measure the voltage at the "J21(B.valve clean)" connector on the motor board. The expected reading should be 24V

Result 1 - The reading is 24V.
Start 1-3-4-1.
Result 2 - The reading is not 24V.
Start 1-3-3-10.

1-3-3-10 - Measure the voltage at the “c4_24V DC in” connector on the motor board. The expected reading should be 24V

Result 1 - The reading is 24V.
Start 1-3-3-11.
Result 2 - The reading is not 24V.
Start 1-3-3-12.

1-3-3-11 - Replace the motor board (see SOP here). Then, verify the cleaning tool detection when starting the cleaning process.

Result 1 - Can be detected.
Issue close.
Root cause: The motor board fails.
Result 2 - Cannot be detected.
Start 1-3-4-1.

1-3-3-12 - Verify that the wires on “c4_24V DC in” are securely connected.

Result 1 - Not securely connected.
Start 1-3-3-13.
Result 2 - Securely connected.
Start 1-3-4-1.

1-3-3-13 - Reconnect the wire at the motor board and power supply sides. Then, verify the cleaning tool detection when starting the cleaning process.

Result 1 - Can be detected.
Issue close.
Root cause: Wire disconnected between the motor board and the power supply.
Result 2 - Cannot be detected.
Start 1-3-4-1.

4. Blender

1-3-4-1 - Verify that all the wires of the blender (power cord, "INTLK(Blender)”, "BTN(Blender)") are securely connected to the connectors in the water system compartment.

Result 1 - Not securely connected.
Start 1-3-4-2.
Result 2 - Securely connected.
Start 1-3-4-3.

1-3-4-2 - Reconnect the wires. Then, verify the cleaning tool detection when starting the cleaning process.

Result 1 - Can be detected.
Issue close.
Root cause: Wire disconnected in the water system compartment.
Result 2 - Cannot be detected.
Start 1-3-4-3.

1-3-4-3 - Check the seven wire connections on the control board:

“110V AC out”

“b15_ BTN1(Blender)”

“b15_ BTN2(Blender)”

“b15_ BTN3(Blender)”

“b15_ BTN4(Blender)”

“b15_INTLK out”

“b15_INTLK in”

And measure the voltage at the 110V AC out on the control board. The expected reading should be 110V

If you see the wires are directly connected without connecting with the control board (see picture below), start 1-3-4-6 directly.

Result 1 - Wires are connected, and the measured value is 110V.
Start 1-3-4-6.
Result 2 - Wire(s) is not connected.
Start 1-3-4-4.
Result 3 - The measured value is not 110V
Start 1-3-4-5.

1-3-4-4 - Reconnect the wires. Then, verify the cleaning tool detection when starting the cleaning process.

Result 1 - Can be detected.
Issue close.
Root cause: Wire disconnected on the control board.
Result 2 - Cannot be detected.
Start 1-3-4-6.

1-3-4-5 - Replace the control board (see SOP here) and make sure the 110V AC out is with 110V. Then, verify the cleaning tool detection when starting the cleaning process.

Result 1 - Can be detected.
Issue close.
Root cause: The control board fails.
Result 2 - Cannot be detected.
Start 1-3-4-6.

1-3-4-6 - Replace the blender (see SOP here). Then, verify the cleaning tool detection when starting the cleaning process.

Result 1 - Can be detected.
Issue close.
Root cause: The blender fails.
Result 2 - Cannot be detected.
Escalate to FAE.

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