Rinnai Error Codes
22 Rinnai codes. Jump to your appliance:
Rinnai Tankless Water Heater Codes22
- 02 02 — Power Interruption / Memory Loss
- 03 03 — Loss of Communication / EZConnect Issue
- 10 10 — Air Supply or Exhaust Blockage
- 11 11 — No Ignition
- 12 12 — Flame Failure
- 14 14 — Thermal Fuse / Overheat Cutoff
- 16 16 — Outgoing Water Over-Temperature
- 25 25 — Condensate Drain Blocked (Condensing Models)
- 31 31 — Burner Sensor (Combustion Offset) Fault
- 32 32 — Outgoing Water Thermistor Fault
- 33 33 — Heat Exchanger Thermistor Fault
- 34 34 — Combustion Air Temperature Sensor Fault
- 51 51 — Gas Solenoid Valve Fault
- 52 52 — Modulating Solenoid Valve Signal Abnormal
- 61 61 — Combustion Fan Motor Fault
- 65 65 — Water Flow Control Valve Fault
- 70 70 — PCB / Control Board Fault
- 71 71 — Gas Solenoid Drive Circuit Fault
- 72 72 — Flame Sensor Fault
- 90 90 — Combustion Abnormality
- 99 99 — Exhaust Blockage / Fan Issue
- LC LC — Scale Buildup / Descale Reminder