Rancilio Silvia Pro: Error Code Meanings

Learn what error codes mean on a Rancilio Silvia Pro espresso machine, as well as possible causes of each error.

Error Code

Title

Description

Possible Cause

H20

No water in the reservoir.

The water reservoir is empty or the machine is unable to sense the presence of water.

Air trap canister is not pushed and has come out of position. Water tank is empty. Issue with the airtrap itself.

E01

Anomaly loading water into the steam boiler.

A fault has occurred with filling the steam boiler.

Either the coffee pump or the steam pump needs to be primed. Blockage in the hydraulic system.

E02

Coffee boiler will not heat up.

The coffee boiler fails to properly heat up.

Failed element. Failed static relay. Disconnected or broken wire. Tripped high limit, failed PID controller.

E03

Steam boiler will not heat up.

The steam boiler fails to properly heat up.

Failed element. Failed static relay. Disconnected or broken wire. Tripped high limit. Failed PID controller.

E04

Coffee boiler over temperature.

The coffee boiler has exceeded the temperature safeguard.

Faulty PID, static relay, or temperature probe.

E05

Steam boiler over temperature.

The steam boiler has exceeded the temperature safeguard.

Faulty PID, static relay, or temperature probe.

E06

Steam boiler temperature probe interruption.

A boiler temperature probe interruption is when the probe receives no signal. Possible causes could be a break in the wire, or no signal is being sent.

Faulty PID controller or faulty probe.

E07

Steam boiler temperature probe short circuit.

A boiler temperature probe short circuit is when the probe is shorted so its always receiving a signal. Possible causes could be the wire or component is grounded out.

Faulty PID controller or faulty probe.

E08

Coffee boiler temperature probe interruption.

A boiler temperature probe interruption is when the probe receives no signal. Possible causes could be a break in the wire, or no signal is being sent.

Faulty PID controller or faulty probe.

E09

Coffee boiler temperature probe short circuit.

A boiler temperature probe short circuit is when the probe is shorted so its always receiving a signal. Possible causes could be the wire or component is grounded out.

Faulty PID controller or faulty probe.

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