L2 - R4.6 Machine Power Off

Modified on Wed, 7 Jan at 7:03 PM

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

1. Fuse

STEP 1 - Verify if the fuse is tripped.

Result 1 - The fuse is not tripped.
Start "Transformer" chapter.

Result 2 - The fuse is tripped.
Start STEP 2.

STEP 2 - Reset the fuse, and verify if the machine can start up and load the Botrista homepage without issue.

Result 1 - Machine startup without issue.
Start STEP 3.

Result 2 - The fuse tripped as soon as the machine was turned on.
Start "Transformer" chapter.

STEP 3 - Log in to the Botrista account and enter the Control page to proceed the following test (one item every time):

Ingredient dispensing (all 12 tubes)

Blending test

Cleaning valve dispensing (Kay-5 water)

Cleaning tool circulate & draining mode switching

Manifold ball valve close & open

LED on & off

Waste water valve close & open

Cup status

And verify if the fuse tripped during any test item.

Result 1 - Machine startup without issue.
Issue close. (Root cause: fuse tripping caused by a short circuit)

Result 2 - Still tripped.
Escalate to PSE.

STEP 5 - Set the transformer's input voltage selector to 220V–240V, then verify if the machine can start up and load the Botrista homepage without issue.

Result 1 - Machine startup without issue.
Issue close. (Root cause: Incorrect transformer input voltage selector setting)

Result 2 - Still tripped.
Escalate to PSE.

2. Transformer

STEP 1 - Verify if the transformer input voltage selector is switched to 110V~120V.

Result 1 - The transformer input voltage selector is switched to 220V~240V.
Start STEP 3.
Result 2 - The transformer input voltage selector is switched to 110V~120V.
Start STEP 2.

STEP 2 - Set the transformer's input voltage selector to 220V–240V, then verify if the machine can start up and load the Botrista homepage without issue.

Result 1 - Machine startup without issue.
Issue close. (Root cause: Incorrect transformer input voltage selector setting)
Result 2 - Still power off.
Start STEP 3.

STEP 3 - Verify if the transformer switch is turned on.

Result 1 - The transformer switch is turned off.
Start STEP 4.

Result 2 - The transformer switch is turned on.
Start STEP 5.

STEP 4 - Turn on the transformer switch, and verify if the machine can start up and load the Botrista homepage without issue.

Result 1 - Machine startup without issue.
Issue close. (Root cause: Transformer power off.)
Result 2 - Still power off.
Start STEP 5.

STEP 5 - Verify if the transformer output is 110V AC.

Result 1 - The output is 110V AC.
Start "Power Supply" chapter.
Result 2 - The output is not 110V AC.
Start STEP 6.

STEP 6 - Replace the transformer, and verify if the machine can start up and load the Botrista homepage without issue.

Result 1 - Machine startup without issue.
Issue close. (Root cause: Transformer failure.)
Result 2 - Still power off.
Start "Power Supply" chapter.

3. Power Supply

STEP 1 - Verify the wire connections on the power supply

Result 1 - The wires are all well-connected.
Start STEP 3.
Result 2 - Any of the wires is not connected.
Start STEP 2.

STEP 2 - Reconnect the wire, and verify if the machine can start up and load the Botrista homepage without issue.

Result 1 - Machine startup without issue.
Issue close. (Root cause: Power supply wire was disconnected.)
Result 2 - Still power off.
Start STEP 3.

STEP 3 - Verify if the power supply output is 24V DC.

Result 1 - The output is 24V DC.
Start "Control Board & Tinker Board" chapter.
Result 2 - The output is not 24V DC.
Start STEP 4.

STEP 4 - Replace the power supply, and verify if the machine can start up and load the Botrista homepage without issue.

Result 1 - Machine startup without issue.
Issue close. (Root cause: Power supply failure.)
Result 2 - Still power off.
Start "Control Board & Tinker Board" chapter.

4. Control Board & Tinker Board

STEP 1 - Verify the LED lights are lit on the control board.

Result 1 - The LED lights are lit.
Start STEP 4.
Result 2 - The LED light are not lit.
Start STEP 2.

STEP 2 - Measure the voltage on the control board power inlet. The expected reading should be 24V DC.

Result 1 - The reading is 24V DC.
Start STEP 4.
Result 2 - Still power off.
Start STEP 3.

STEP 3 - Reconnect the power wires connecting with the control board connector and the power supply 24V DC output. Then turn on the machine to verify if the machine can start up and load the Botrista homepage without issue.

Result 1 - Machine startup without issue.
Issue close. (Root cause: Disconnection of 24V DC inlet on the control board)
Result 2 - Only the fridge is started.
Restart STEP 1.

STEP 4 - Verify if the Tinker Board power light is lit.

Result 1 - The power light is lit.
Escalate to PSE.
Result 2 - The power light is not lit.
Start STEP 5.

STEP 5 - Measure the voltage at the control board connector for Tinker Board. The expected reading should be 12V.

Result 1 - The reading is 12V DC.
Start STEP 6.
Result 2 - The reading is not 12V DC.
Start STEP 7.

STEP 6 - Reconnect the power wire connecting the control board and the Tinker Board. Then turn on the machine to verify if the machine can start up and load the Botrista homepage without issue.

Result 1 - Machine startup without issue.
Issue close. (Root cause: Disconnection of 12V DC inlet on the Tinker Board)
Result 2 - Only the fridge is started.
Start STEP 8.

STEP 7 - Replace the control board (see SOP here), then turn on the machine to verify successful machine startup.

Result 1 - Machine startup without issue.
Issue close. (Root cause: Control board failure)
Result 2 - Only the fridge is started.
Restart STEP 1.

STEP 8 - Replace the Tinker Board (see SOP here), then turn on the machine to verify if the machine can start up and load the Botrista homepage without issue.

Result 1 - Machine startup without issue.
Issue close. (Root cause: Tinker Board failure)
Result 2 - Only the fridge is started.
Escalate to PSE

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