Instructions for replacing the group head gasket and shower screen.

Information on how the BZ group head works.

Steps for maintaining and rebuilding the group head.

Information on removing the machine's housing.

Regular wear items related to the group head.

Regular wear items related to the machine’s valves.

Instructions for maintaining steam and water valves.

The PID is off, and the machine is not heating.

There is a burning or melting plastic smell when the breaker trips.

The breaker trips Immediately upon powering on.

The breaker trips intermittently.

The breaker trips when the boiler is heating.

The breaker trips when the brew boiler is heating.

The breaker trips when the pump is running.

The breaker trips when the steam boiler is heating.

Troubleshooting for A1 error code.

Troubleshooting for A2 error code.

Troubleshooting for a blank PID.

Troubleshooting for shot timer issues.

Technical diagrams of the machine.

There is no flow from the group head and the pump is sound different from normal

There is no or low flow from the hot water wand and the steam pressure gauge reads normally

There is flow from the hot water wand initially, but it drops quickly

There is no or low flow from the hot water wand and the steam pressure gauge reads normally

There is no or low flow from the steam wand and the steam pressure gauge reads normally

There is no flow from the steam wand and the steam pressure gauge reads zero

There is flow from the steam wand initially, but it drops quickly

There is no or low flow from the steam wand and the steam pressure gauge reads normally

The machine leaks from the drain port above the drip tray while it's heating.

The steam wand leaks at all times.

The steam wand leaks when the machine is hot.

The hot water wand leaks at all times.

The hot water wand leaks when the machine is hot.

Maintenance instructions for the group head.

The steam valve joystick is hard to move.

The steam valve knob is hard to move.

Maintenance instructions for the steam valve.

The water valve joystick is hard to move.

The water valve knob is hard to move.

Maintenance instructions for the water valve.

The pressure from the steam wand is fluctuating

There is no pressure from the steam wand

The pressure from the steam wand is too low

The pressure reading on the group gauge is too high

Information on how to make adjustments to the pump pressure

When trying to brew the pump pressure is too high

When trying to brew the pump pressure is too low

When trying to adjust the pump the pressure does not change

The pump is louder than normal during operation.

The valve joystick squeaks when moved.

The valve knob squeaks when moved.

The group head temperature is too low.

The group head is not heating.