Rinnai RUR199e / RUR160e / RUR199i / RUR160i Error 10: Air Supply or Exhaust Blockage/Condensate Trap is Full

Tankless water heater · taken from the manufacturer’s manual, pages cited

Warning code10

Air Supply or Exhaust Blockage/Condensate Trap is Full indicates condensate line is blocked, internal air filter is obstructed, or high altitude setting is not properly configured. The manual lists no action for this code.

Model
Rinnai RUR199e / RUR160e / RUR199i / RUR160i
Display shows
Air Supply or Exhaust Blockage/Condensate Trap is Full (10)
Type
Warning code
Source
Manual p. 57

What 10 means

Air Supply or Exhaust Blockage/Condensate Trap is Full p. 57

Common causes

  • Ensure condensate line is not blocked. p. 57
  • Ensure internal air filter is clean with no obstructions. (indoor Only) p. 57
  • Ensure High Altitude setting. (See Parameter Settings) p. 57
  • Ensure Combustion air and Exhaust vents are not blocked and approved venting materials are being used. (indoor Only) p. 57
  • Ensure vent length is within limits. (indoor Only) p. 57
  • Check fan for debris and ensure wheel turns freely. p. 57
  • Verify check valve is not stuck between fan casing and burner body. p. 57

If 10 is still not resolved

  • Call your gas supplier from a neighbor’s phone. Follow their instructions. p. 1
    “Immediately call your gas supplier from a neighbor ’s phone. Follow the gas supplier ’s instructions.”
  • If you cannot reach your gas supplier, call the fire department. p. 1
    “If you cannot reach your gas supplier, call the fire department.”

This page summarises what the manufacturer’s manual says about 10; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Rinnai. Found a mistake? Report an error.