Navien Dhw Mode. Here are some common navien tankless water heater. I do not have the remote but the led on the unit shows supply temps which oscillate.
I've got a navien combi 240a which is giving inconsistent and low domestic hot water out. The heating system works however. I did have two consistent.
Luckily, Navien Units Have Error Codes On Their Display.
I do not have the remote but the led on the unit shows supply temps which oscillate. Here are some common navien tankless water heater. On your navien tankless water heater, the fault code e438 indicates the recirculation pump is operating abnormally.
The Screen Shows Psi But.
I keep running dhw but hot water indicator on navien screen does not come on indicating its not heating water. These can help you identify the issue without calling a professional for help. Navien tankless water heater error code 438.
It Was Reasonably Quiet During Several Months, But Recently I Noticed It Makes Vibrating Sound.
I did have two consistent. I've got a navien combi 240a which is giving inconsistent and low domestic hot water out. It might differ slightly depending on the model, but most navien units have a reset button affixed to the front control panel, which is usually located below the main power button.