What does flammable vapor sensor lockout mean?
What is a Flammable Vapor (FV) Sensor? FV Sensors are safety devices on select models of water heaters, which cause a soft lockout (a.k.a. the unit shuts down) when flammable vapors are detected near the unit, to prevent the possibility of their ignition.
What does a blinking red light mean on a water heater?
Because there is air in the gas line, it may take up to 90 seconds before the red status light begins to blink. The red status light will blink once every 3 seconds when the water heater is operating normally.
Can you bypass a flammable vapor sensor on a water heater?
You cannot easily bypass this sensor.If your gas water heater suddenly stops working, it is very likely that this sensor is the cause.
How do you reset an AO Smith power vent water heater?
1 Manual reset is accomplished by first, turning off power to the water heater for 10 seconds. 2 Restore the power to the water heater. 3 Within 10 seconds of restoring power, press the two temperature adjust buttons simultaneously until the left (green) Vacation LED begins to blink (approx. 5 second delay).
What does lockout mean on hot water heater?
The lights on the front show the vacation light on, and A and B, which the manual says is the lockout phase. It gives 4 options: 1) Gas supply is off or too low to operate. 2) Hot surface ignitor not positioned correctly. 3) Low voltage to the water heater.
What is lockout on water heater?
When the unit goes into a “System Lock Out” there could be one of several faults: Gas supply is off of too low to operate. The Hot surface ignitor is not positioned correctly. Low voltage supply to the water heater.
How do I know if my water heater is FVIR?
How can I tell if my water heater is FVIR? Each manufacturer will have its own particular label for indicating if the model is FVIR.
Why is my hot water heater not blinking?
If the Status Light is not flashing, try lighting the pilot using the instructions on the water heater’s label. Make sure the gas supply valve is turned ON. When lighting the pilot, make sure the knob on the gas control valve is fully pushed in.
What does it mean when your pilot light won’t stay lit?
thermocouple
If your pilot light won’t stay alight, it might be the thermocouple. Sometimes dust buildup collects on the thermocouple and blocks the sensor. Try cleaning the thermocouple and then relighting the pilot light. If it continues to go out, the thermocouple might need to be replaced.
How do you reset a Rheem water heater sensor?
Turn the water heater’s gas valve switch to the “OFF” position, wait for a few seconds and then flip the switch to the “ON” position to reset the system.
How do you unlock an AO Smith water heater?
Unlock the water heater’s user interface (if it is locked). To do so, touch the lock button for at least 5 seconds. The Lock icon will disappear from the screen.
A water heater reset button, usually red, is located in the center of the limit switch just above the water heater thermostat. The water heater limit switch is a safety device that will shut the power down to the water heater if something malfunctions and the water gets to hot.
How do I reset my boiler lockout?
Modern boilers have a reset button on the display button. Once you’ve resolved the underlying issue, simply press and hold the button to reset the boiler after a lockout. For older boilers (or boilers that don’t have a reset button on the front of the boiler) refer to the manual to determine the reset procedure.
How do I reset my state water heater?
Locate the large red button marked “Reset” at the center of your State water heater’s control circuit panel. Firmly press the “Reset” button to manually reset your water heater. Once your water heater has been reset, it may take between 12 and 24 hours for your water heater to resume normal operation.
Do FVIR water heaters need to be elevated?
jolson8: Most gas water heaters in the 30-50 gallon range sold/manufactured in America since 2003 are FVIR (flammable Vapor Ignition Resistant) By 2005, all sold are FVIR. If a water heater is FVIR, it does not have to be elevated when installed in the garage.
Are all water heaters FVIR?
All water heaters now produced in North America are Flammable Vapor Ignition-Resistant (FVIR) types. The ANSI Standard was introduced in July 2003. Existing water heaters that did not meet the standard do not have to be replaced, but all new heaters do have this feature.
What is FVIR certified?
An Innovation in Fire Safety
Residential water heaters manufactured after 2003 are F.V.I.R. (Flammable Vapor Ignition Resistant) compliant. For the most part, this means that the combustion chamber is now sealed.
Can I relight the pilot light by myself?
If your pilot light goes out, your furnace will not be able to produce heat because its burners will not ignite. Often, homeowners can relight the pilot themselves.
What do you do if the pilot light goes out?
Your pilot light relies on your natural gas to stay aflame, so if your gas is shut off, your pilot light will go out. Simply turn your gas back on and either relight your pilot light yourself or call a professional.
How do you relight a pilot light?
Turn the knob to Pilot and hold down the Reset button.
Using a long lighter, bring the flame close to the pilot opening. This should ignite the pilot light. Once the pilot is lit, you can release the reset button.
Contents