At Fixya.com, our trusted experts are meticulously vetted and possess extensive experience in their respective fields. Backed by a community of knowledgeable professionals, our platform ensures that the solutions provided are thoroughly researched and validated.
- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
It is very likely that your exhaust Fuselink is faulty. There are two types of fuselink used on the LXI, commonly called the upper (exhaust) high temp and the lower (combustion intake) low temp. Make sure you purchase the correct part for the right location and ALWAYS turn off the power to the heater when changing the sensor.
The blower must be operating during the test procedure
for the blower pressure switch. Start by checking the
voltage between test point 1 and the common and
normally open contacts of the air flow switch.
Leaving the black lead of the meter on test point 1, check
the voltage at test point 11. If there is not 20-28 Volts
AC at this point, the eight-pin wire harness is faulty and
must be replaced. If 20-28 Volts AC is detected at this
point, then move the red lead of the meter to the Air Flow
Switch NO contact.
If 20-28 Volts AC is detected at this point, the device in
this circuit is closed and the circuit is working properly.
If there is not 20-28 Volts AC at the Air Flow Switch
NO contact, the pressure switch contacts are open. This
is usually due to a blower speed problem or a problem
with the air pressure tube connection between the blower
housing and the switch.
Be sure that the blower is on and that it is working
properly. Check that the gray flexible tube between
the blower pressure switch and the blower housing
is connected at both ends and has no holes or splits.
Replace the tube if necessary. If there is no problem with
the blower or the tube, check for blockages in the vent,
flue or heat exchanger that would prevent air flow. If no
blockages are found, replace the pressure switch.
If the Air Flow Switch NO contact shows 20-28 Volts AC
and the ignition control shows an air flow fault, then there
is a bad connection between the blower pressure switch
and the ignition control, or the ignition control is faulty.
You can not increase the water flow through a heater by adjusting the heater. You either need to get a larger pump motor, fix a pump issue, or....
If the heater was installed correctly with a bypass, closing the bypass will force more water through the heater. If a bypass was not installed, a larger motor is needed to increase flow (unless you used to get enough flow and now you dont. I this case, fix the pump or backwash the filter)
×