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General Troubleshooting

LUCCA A53 Mini: Steam Boiler Over-pressurizing

1. When does the safety valve release steam? a. At 1.5 bar or above? The machine is over-pressurizing. Move on to step 2. b. At less than 1.5 bar? The safety valve is releasing below its rated pressure. You may need a new safety valve. 2. Verify...

LUCCA A53 Mini / Mini Vivaldi: Vibratory Pump Replacement

You can order a vibratory pump here. Once the pump is removed follow the steps in reverse order to reinstall the original pump or install a new pump. Before this is started you will need to remove the back panel to access the internals. Tools...

LUCCA A53 Mini: No Water From Group Head

The water tank filter screen is clogged The first and easiest thing to check is the machine's water tank filter screen. For testing purposes, just remove it from the machine entirely. The fine mesh of the filter screen can be clogged easily, the...

LUCCA A53 Mini: Machine Not Turning On

LUCCA light is the only thing that is on:If this is the case, then the ribbon cable on the inside of the control panel has likely come unplugged. You can follow along with our panel removal article where it shows how to access the ribbon...

LUCCA A53 Mini / Mini Vivaldi: OPV / Steam Gauge Fitting Leak

Before attempting this we recommend unplugging the machine and allowing it to fully cool off. Also, before beginning you will need to remove the panels from the machine. Tools required: adjustable wrench 17mm wrench teflon tape At this point you...

LUCCA A53 Mini: Priming the pump

Remove the water tank from the machine. With the tube seated back on the pump and the water tank reseated tap the hot water and power button for one second 10 times. This will make cause the pump to run for a second at a time and help draw water...

LUCCA A53 Mini: Steam Boiler Not Heating

Boiler is turned off: Turn on the steam boiler by tapping the “B” button on the control panel of the machine. You should see the boiler light begin to blink as the machine heats. Coffee Boiler is not fully heated: Machines in 15 amp mode, which is...

LUCCA A53 Mini / Mini Vivaldi: Replacing the Steam Lever

For this process you will first need to remove the side panels. Once you've done that follow the steps below. Tools needed: Needle nose pliers Flathead / pick Phillips screw driver At this point you can attach your new lever and reattach the face...

LUCCA A53 Mini: No Hot Water From Water Tap

The first thing you'll want to do is verify the steam gauge on the front of the machine. Is there any pressure built up on the right side of the gauge? If not, check the next step for instructions that could solve the issue. If there is pressure...

LUCCA A53 Mini / Mini Vivaldi: Pump Pressure Gauge Vibration/Oscillation

Almost every A53 Mini's pressure gauge will show a very quick vibration of the pump pressure gauge moving between 6 bar and 9 bar. This is because of the vibration pump in the system. The way the vibration pump works is it pushes pressure in the...

LUCCA A53 / A53 Mini: Flowmeter Error / Volumetric Dosing problems

Important Note: Your grind must be dialed-in to consistently pull shots at your preferred recipe in order for the machine's volumetric dosing to be accurate. The machine's volumetric dosing is only able to be set accurately if the grind and recipe...

LUCCA A53 / A53 Mini: Machine Tripping the GFCI

When machine is plugged in: If the GFCI is tripped as soon as the machine is plugged in, the SSR may be the faulty part and may need to be replaced. Try unplugging the wires going to the SSR one at a time. Plug the machine in after unplugging each...

LUCCA A53 Mini: Draining Steam Boiler With No Drain Nut

1. Remove the water line from this push connect fitting. 2. Remove the water tank from the machine. 3. Tip the machine on it's side and allow the water to flow out of the tube into a container.

LUCCA A53 / A53 Mini: 15 & 20 Amp Power Modes

Before doing this unplug your machine, otherwise your machine will not recognize it has changed settings. *Note: This feature is only applicable to the A53 and A53 Mini models prior to 2019. If your machine does not have the label for 15/20 Amp...

LUCCA A53 Mini / Mini Vivaldi: Replacing the Pressure Gauge

You'll need: - 7mm wrench or socket - 13mm wrench (short) First, you'll need to remove the front panel of the machine. You'll see the gauge is fastened by a small nut, with two connections coming off the back. Using the 7mm socket or wrench,...

LUCCA A53/A53 Mini: SSR (Solid State Relay) Replacement

You'll need: - Standard Phillips' Screwdriver - 7 mm wrench or socket wrench Begin with the machine off, fully cooled, and unplugged. First, you'll need to remove the front panel, as well as the right-side panel. To remove the side panel, you'll...

Lucca A53 Mini / Mini Vivaldi: Replace Magnet Float

Tools Needed:1. Prying implement La Spaziale Water Tank Magnet FloatLa Spaziale Float Retainer Cross1. Remove the water reservoir from the machine and identify the magnet float in the retaining slot.2. Remove the stock retainer by carefully prying...

Lucca A53 Mini: Force-flushing the Group Head

NOTE: It's important to never run a vibratory pump for longer than one minute at a time. Doing so can cause premature wear and potentially damage the pump.1. Start with the machine on and plugged in, but powered OFF. This is the machine's "standby...

LUCCA A53 Mini / La Spaziale Mini Vivaldi: Fuse Housing Inspection and Replacement

If a new fuse housing is needed, the part is available on the website here: La Spaziale Fuse Housing Tools Needed:- #2 Phillips head screw driver- #3 Phillips head screw driver- 17mm crescent wrenchINSPECTION:1. With the machine unplugged and cool...