Rinnai Error Codes

Rinnai error codes verified against official Rinnai support pages, owner's manuals and manufacturer service charts, by appliance.

• Rinnai tankless water heater error codes

All code pages

Rinnai tankless water heater 10 (air supply, exhaust blockage or condensate trap full) Rinnai tankless water heater 11 (no ignition) Rinnai tankless water heater 12 (flame failure) Rinnai tankless water heater LC (scale build-up in heat exchanger)