Ferroli F37: Incorrect system water pressure

What does this error code mean?

Incorrect system water pressure. Applicability is limited to the manufacturer-documented model / series, not all devices of this brand.

Steps to take

1. 1. Record error F37 and the complete model plate. This description only applies to BLUEHELIX TECH RRT 24 H.
2. 2. If you smell gas or flue fumes, or a carbon monoxide alarm sounds, avoid switches and controls; leave the area and call emergency assistance from outside.
3. 3. The manufacturer describes this code as “incorrect system water pressure”. Do not open the casing or remove any components to investigate.
4. 4. Read the external pressure gauge and record its value. Do not operate pressure relief parts; only use a manual-authorized fill procedure for the exact model.
5. 5. If F37 remains, share the model and symptoms with authorized service for qualified diagnosis.

Which products does this apply to?

BLUEHELIX TECH RRT 24 H

Codes and hardware can vary by model, production year and market.

What must a qualified technician assess?

All gas and electrical repairs require qualified service.

Verification after service

After professional checks, confirm that the error no longer returns during normal use. Report any repeat warning to service.

Manufacturer reference

Documented page: 191–192.