E 38 Medium

Ariston E 38 Fault Code

Also written as E38 — same fault.

The Ariston E 38 fault code means: your boiler has blocked further attempts to restart itself because the reset button has been pressed too many times in a short window.. It appears on 2 Ariston models in our database.

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description: Reset button pressed 5 times in 15 minutes
Typical repair cost £100-200 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Find a Gas Safe engineer

Search the official register for a qualified engineer in your area.

Gas Safe Register →

Ariston models that show the E 38 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Ariston E 38 fault code information on this page is sourced and cross-checked against the official Ariston service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026