Verified boiler fault code
Biasi E50 Fault Code (BASICA COND)
Communication with the remote control lost.
Safety disclaimer
Fault code summary
- Manufacturer
- Biasi
- Fault code
- E50
- Fault type
- Communication, Electrical
- Severity
- medium
- Reset
- No specific user reset is confirmed; restore normal controls only as described by the user manual.
- Applicable models
- BASICA COND 24C, BASICA COND 28C, BASICA COND 32C
Quick answer
Communication with the remote control lost.
What does this fault code mean?
Communication with the remote control lost.
Common causes
- Lost communication with remote control
Symptoms
- E50 shown on the LCD
What can the homeowner safely check?
- Check that the remote control has not been switched off and record the code; do not open the boiler.
Boiler reset information
No specific user reset is confirmed; restore normal controls only as described by the user manual.
When should I call an engineer?
Contact a suitably qualified heating engineer when the fault persists, the boiler locks out, or the manufacturer instructions do not resolve it. For gas appliance work in the UK, use a Gas Safe registered engineer.
Engineer diagnosis
- A qualified engineer should investigate the remote-control connection, wiring and control boards.
Applicable boiler models
Related fault codes
- E01 — BASICA COND
Safety lockout due to failed ignition.
Read fault code - E02 — BASICA COND
Lockout due to the safety thermostat.
Read fault code - E03 — BASICA COND
EEPROM error.
Read fault code - E04 — BASICA COND
Pump circulation failure or insufficient system pressure.
Read fault code - E05 — BASICA COND
Fan-control anomaly.
Read fault code - E06 — BASICA COND
Heating NTC probe failure.
Read fault code - E07 — BASICA COND
DHW NTC probe failure.
Read fault code - E08 — BASICA COND
External NTC probe failure.
Read fault code
Manufacturer documentation
Biasi BASICA COND user manual and installation instructionsSIGNAL DISPLAYED BY THE LCD: | E50+ | Communication with remote control lost |
Last verified
2026-09-12
Frequently asked questions
What does Biasi E50 mean?
Communication with the remote control lost.
Can I reset a Biasi E50 fault?
No specific user reset is confirmed; restore normal controls only as described by the user manual.