Rinnai Error Code 11: No Ignition

Severity
Warning
Type
digital display
Where to look
front panel
Estimated repair cost: $100 — $250 (parts + labor)
Warning: Your Rinnai water heater is not igniting, which could lead to a lack of hot water. No immediate safety risk, but call a professional soon.

How to Fix Rinnai Code 11

  1. First, check if the gas supply to your water heater is turned on. If it is, try turning it off and then back on again.
  2. Next, locate the reset button on your water heater. It's usually near the control panel. Press and hold it for about 60 seconds, then release. This may reset the system and solve your problem.
  3. If neither of these works, it's time to call a professional. Don't attempt to open the unit or touch any gas lines yourself.

How to Reset Rinnai Code 11

  1. Turn off the unit using the power button on the front panel.
  2. Turn off the gas supply valve.
  3. Turn off the circuit breaker supplying power to the unit. Wait 30 seconds.
  4. Restore power at the breaker, then open the gas valve.
  5. Turn the unit back on. If the error returns, the underlying issue needs repair.

What does 11 mean?

Error code 11 on your Rinnai water heater indicates a 'No Ignition' issue. This means the burner isn't firing up to heat your water. This could be due to a few reasons, but don't worry, it's usually a simple fix. Let's dive into the possible causes and what you can do to troubleshoot this at home.

Affected Models

Replacement Parts

PartOEM NumberEst. Cost
Igniter RIN-101901100
Gas Valve RIN-101901200
Thermocouple RIN-101901300

Related Codes on Same Models

CodeDescriptionSeverity
02 Stagnant Water Detection Warning
10 Air Supply/Exhaust Blockage Warning
12 Flame Failure Warning
14 Thermal Fuse Warning
16 Over-Temperature Warning
19 Electrical Grounding Warning
25 Condensate Overflow Warning
29 Condensate Neutralizer Warning
31 Inlet Thermistor Failure Warning
32 Outlet Thermistor Failure Warning