You want to increase or decrease the temperature on your Navien Water heater. So, you go to the front panel and press either the Up or the Down button. But these two buttons don’t work and the display pops up with this code: Temperature Lock Enabled. Show It means you will no longer adjust the water heater temperature until you disable the Temperature Lock feature. But do you know how to disable this mode and what the Navien Temperature Lock actually is? Don’t worry! This guide will give you the answer to your questions. So, keep reading till the end and learn how to disable this mode. Contents
Temperature Lock, as the name suggests, will lock the temperature buttons along with others. Once you activate this feature, you can’t adjust the temperature of your water heater. The benefit of this feature is- your children will no longer adjust the controller setting or it will prevent accidental pressing of the buttons. When this feature gets activated, what will happen then-
Note: You can still reset the error or alarm codes with Lock Mode activated. Turns out, it’s possible to change the settings from the front panel while the Lock Mode is activated. How To Enable Temperature Lock On Navien Water Heater?You can activate the Temperature Lock on Navien following two methods. I highly recommend you try the Second method to enable the Temperature Lock. First, simply press and hold down the lock button for 2 seconds and it will lock all the buttons except the Lock one. If you want to deactivate this function, hold down the Lock button for another 2 seconds. Second, pressing the DIP switches (Switch 2) on the front panel will also help you activate the Temperature Lock mode. Regarding this, remove the front cover using a flat head screwdriver. Then, locate the front panel and flip up the small plastic cover from the panel to access the DIP switches. The Switch 2 generally configures the Temperature Lock. Just set this DIP switch on the front panel to On and it will enable the Temperature Lock mode. Now, you or other members of your family can’t adjust the temperature unless you move the switch to Off. How To Disable Temperature Lock On Navien Water Heater?As I mentioned earlier, you can’t set your water heater temperature once you activate the Temperature Lock function on Navien. So, you must disable this mode if you want to adjust the water heater temperature. Follow the below steps to disable the Temperature Lock mode:
How To Change Temperature On Navien?By default, the water heater is set to 120-degree F. To change the temperature:
You can change the temperature by 1 degree increments as the following table shown:
End-NoteDIP switches (specifically the switch 2) on the front panel of your Navien water heater configure the Temperature Lock feature. Flipping this switch to On will activate this mode and you can’t adjust temperature until you disable this function. To disable the Temperature Lock, just flip the Switch 2 (DIP Switch) to Off. Read Also: Navien 240A DIP Switch Settings Eric Alvarez is an HVAC guy based in El Paso, Texas, United States. He obtained his Bachelor of Science degree from the University Of Texas at El Paso. Years of experience in the HVAC field have taught him many lessons, not the least of which is that the value of quality and knowledge far exceeds any promised initial savings. He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. What temp should the Navien water heater be set on?Contact a licensed plumber or the local plumbing authority for further information. This Navien Combination boiler is factory set at 120°F (49°C) for your safety and comfort. Increasing the set temperature increases the risk of accidental scalding.
What temperature should I set my tankless water heater too?You'll want to shoot for 100-115 degrees Fahrenheit for your water to be heated. If your groundwater temperature is 60 degrees and you want your shower at 110 degrees, that's going to be a 50-degree rise.
Why wont my Navien stay hot?This could be due to a clogged air vent, a damaged gas valve, gas supply interruption, dirty burners, or a damaged flow sensor. If cleaning your heater doesn't correct this issue, you'll need to contact a professional for assistance.
|