Rinnai water heater 12: what it means and when to call a pro · Lithuania
Severity: Stop nowRinnai water heater error 12. The flame went out during operation, or the flame sensor signal is faulty.
Meaning
The flame went out during operation, or the flame sensor signal is faulty.
Severity
Stop now
Stop. Switch it off and call a pro
Steps are not shown for this code because no qualified person has reviewed them yet. What is safe: switch it off, follow the Do not list and call a pro.
Do not
- Do not open the casing or unplug parts inside. Rinnai's guide treats this as work for a qualified technician.
- Do not keep restarting the heater if code 12 comes back.
Source
Troubleshooting Tankless Water Heater Diagnostic Codes, Rinnai
The repair: Water heater repair
Prices for repairs in Lithuania are in EUR.
Other Rinnai codes
- Rinnai 16 The water heater overheated and the safety thermostat cut it out.
- Rinnai 32 The hot water temperature sensor is faulty or disconnected.
- Rinnai 61 The fan is faulty or is not reaching the correct speed.
- Rinnai 72 The flame went out during operation, or the flame sensor signal is faulty.
- Rinnai 10 The flue gas temperature is too high, or the flue or air supply is faulty or blocked.
Brands in our catalog for water heater: Navien, Rinnai. The same code on another brand is not in the catalog yet, and we do not guess what it means.
Other languages: polski