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5. Troubleshooting
5.1 Solving Basic Problems
If you experience a problem with the
water heater, refer to the following chart
for possible remedies. Error codes that
appear on the front panel display are
explained in the following section.
For minor problems, resetting the water
heater may resolve the issue. To reset the
water heater, press the Reset button on
the front panel or the OK button on the
remote controller.
If resetting the water heater and attempting the remedies suggested below do not resolve the problem, contact
an authorized technician, a licensed professional, or Technical Support at 1-800-519-8794 for service instructions.
WARNING
Do NOT attempt to service or repair the water heater yourself.
Problem
No water comes out
when the hot water tap
is opened.
The water from the hot
water faucet is cold or
turns cold and stays
cold.
It takes too long for
hot water to reach the
fixtures.
The water is not hot
enough.
The water is too hot.
22
Troubleshooting
Possible Cause(s)
Is the cold water inlet filter clean?
●
Is an error code displayed on the
●
front panel?
Is the water heater frozen?
●
Is the cold water inlet filter clean?
●
Is the hot water faucet open wide
●
enough draw at least 0.4 gallons
of water per minute (GPM)
through the water heater?
Is an error code displayed on the
●
front panel?
If there is an external recirculation
●
system installed, is there a check
valve on the recirculation return
line?
Are you using the external
recirculation mode?
Is the set temperature too low?
Is the set temperature set too high?
[Indoor Models]
What to do
Ensure that the shut–off valves on the hot
and cold pipes are open.
Clean the cold water inlet filter. See "4.4
●
Cleaning the Inlet Water Filter" on page
20.
Open the hot water faucet completely.
●
Have a contractor install a recirculation
return line from the furthest faucet back to
the water heater.
Check the water heater's temperature
●
setting. Refer to "3.2 Adjusting the Water
Temperature" on page 11.
Check for cross plumbing between the
●
cold and hot water lines.
Check the water heater's temperature
setting. See "3.2 Adjusting the Water
Temperature" on page 11.
[Outdoor Models with
Remote Controller]
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