Why is my tankless water heater not working?
Some brands of tankless water heaters are set in a way that if there are three failed attempts to ignite the burner, the error code will appear showing the ignition failure problem. Here are the reasons, symptoms, and solutions for the ignition problem: The hi-limit switch has tripped. Turn the unit off. Try to reset it.
Where do I find the failure code on my tankless water heater?
As most of the newer advanced tankless water heaters utilize the self-diagnostic system and are equipped with the LCD display on the unit or remote controller, a numerical error code will display or flashing light. Here are the ignition failure codes found on some tankless brands:
Can a mini tank water heater be used with a tankless heater?
If you get that “hot water, cold water, hot water” surprise, consult a professional to see if you should combine your tankless unit with a “mini” tank water heater. The small tank water heater provides you with hot water while your tankless unit’s heat exchanger warms up.
Are there any problems with my Bosch tankless water heater?
If you are the owner of a “smart” tankless water heater from Rinnai, Noritz, Paloma, Bosch, Takagi or similar, this troubleshooting guide is for you. The guide deals with the most common problems and explains some of the error codes.
Are there any problems with my tankless water heater?
No hot water is one of the most common tankless water heater problems. The first things you should check are the electric power, water, and gas supply to the water heater. Check the shut-off valves, as they might be in the closed position. Check the gas burner and does the flame rod generates the sparks.
Why do I get No hot water from my hot water heater?
If you get no hot water when only one hot water appliance is running and you have a gas tankless unit, make sure that: You’ve paid your gas bill (your tankless water heater can’t heat water without a steady gas supply!) The gas valve feeding your tankless unit is turned ON, not OFF. You’re scheduling regular maintenance.
What causes an error code on a tankless water heater?
Most tankless water heaters are equipped with a diagnostic system that incorporate the microprocessor and LCD screen, which displays an error code if the problem occurs. An error code can appear due to many reasons, from a simple spider web and air/exhaust blockage to more serious gas or exhaust leak.
Why does my water heater say flame failure?
When you receive a “flame failure” error message on a gas tankless water heater, the issue is typically either a gas pressure issue or an electrial problem. Always eliminate the easy fixes first, such as the natural gas being turned off or an empty propane tank. Then move to other, more complicated causes.
