dirtrich
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Hello everyone,
I found your site while scouring the 'net looking for answers.
First, my Navien is about 4.5 years old. It has served us well and we like it.
However, it doesn't seem to like being turned off! Each year when we go on vacation for a week I
turn off the water to the house, and unplug the water heater.
Every time we get back and I turn the unit back on, I have to fix it before it will work.
Typically, it's the flow sensor which is fairly easy to remove, blow air through it to free up the
paddle wheel then re-install. Works every time!
This time, after turning it back on I had water dripping out of the bottom of the unit. I removed the
cover and found the leak at one of the water line couplers. Took it apart, seeing nothing wrong I simply wiped off the white O ring and reassembled it. It still leaked a bit although a lot less, then over the course of a couple of hours the leak completely stopped.
System worked fine for Three days, then today....no hot water.
It shows error code 10. Abnormal air pressure. Clean air filter, check vent pipe for obstructions.
Both of those things checked out fine, no way they are the problem.
Shutoff/Restarted unit twice, no improvement.
Discovered "sub-codes" are displayed on an led inside the unit.
The numbers that flash are: 10
27.00
2009 10.16
Have no idea what the 27.00 code means, can anyone help me out here?
Basically, the heater won't fire up. I couldn't hear it so I felt around and confirmed that nothing is even warm in there.
Would sure appreciate any guidance you could offer.
Thanks,
Dave
I found your site while scouring the 'net looking for answers.
First, my Navien is about 4.5 years old. It has served us well and we like it.
However, it doesn't seem to like being turned off! Each year when we go on vacation for a week I
turn off the water to the house, and unplug the water heater.
Every time we get back and I turn the unit back on, I have to fix it before it will work.
Typically, it's the flow sensor which is fairly easy to remove, blow air through it to free up the
paddle wheel then re-install. Works every time!
This time, after turning it back on I had water dripping out of the bottom of the unit. I removed the
cover and found the leak at one of the water line couplers. Took it apart, seeing nothing wrong I simply wiped off the white O ring and reassembled it. It still leaked a bit although a lot less, then over the course of a couple of hours the leak completely stopped.
System worked fine for Three days, then today....no hot water.
It shows error code 10. Abnormal air pressure. Clean air filter, check vent pipe for obstructions.
Both of those things checked out fine, no way they are the problem.
Shutoff/Restarted unit twice, no improvement.
Discovered "sub-codes" are displayed on an led inside the unit.
The numbers that flash are: 10
27.00
2009 10.16
Have no idea what the 27.00 code means, can anyone help me out here?
Basically, the heater won't fire up. I couldn't hear it so I felt around and confirmed that nothing is even warm in there.
Would sure appreciate any guidance you could offer.
Thanks,
Dave
