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TROUBLESHOOTING GUIDE
Please call or email our customer experience and technical support team for any help you may need.
BRAND
EcoSmart
®
The following table represents some of the most common technical support questions.
PROBLEM
Water heater is not heating
at all (water is flowing but
the unit is not heating - the
outgoing water temperature
is the same as the cold water
supply) - the digital display
does NOT light up.
Water heater is not heating
at all (water is flowing but
the unit is not heating - the
outgoing water temperature
is the same as the cold water
supply) The digital display
DOES light up.
Water heater is
heating, but the water tem-
perature is not hot enough.
The water temperature
at the faucet is less than the
temperature setting
of my water heater
CALL
877-474-6473
POSSIBLE CAUSE
No power or incor-
Make sure the breakers at main electrical panel are ON. You may have a
rect wiring.
faulty breaker or unit may be wired incorrectly.
Flow rate is too low
Your water heater has an activation flow rate of approximately 0.3 GPM.
/ water pressure is
If your water flow rate is less than this level, your unit will not activate.
too low.
Increase the flow rate.
Internal part failure.
Please call us for technical assistance.
User temperature
Turn up the temperature setting on the unit.
setting too low.
Depending on your incoming water temperature and the power output of
your model, your water flow rate may exceed the physical heating capacity
Flow rate is too high
of your water heater. Reduce the flow rate by installing an EcoSmart Flow
Regulator. Use the chart in section 6 to find out which flow regulator
works best for your particular model.
If it's a new installation, have your electrician double check the wiring. Is
Crossed wires.
possible that the wiring is incorrect.
The heating elements on your water heater are design for 240 volts. When
Voltage less than
used with a lower voltage, they produce less heating power. You may
240 volts.
need to upgrade to a larger model.
You do not need to mix as much cold water with your tankless water
heater compared to when you use a conventional water heater. You may
Mixing too much
also have an anti-scald feature on your faucet that is mixing cold water.
cold water.
These types of faucets can usually be adjusted to reduce the amount of
cold water mixed.
The computer chips in your tankless water heater are programmed with
the expectation that your incoming line voltage is 240 volts. If you have
Voltage less than
less than 240 volts, it may affect the reading on your water heater's digital
208 volts.
display and cause it to read slightly higher than the actual output tempera-
ture. To compensate for this, increase the setting on your water heater if
you need / want hotter water.
Your faucet may have an anti-scald feature or a tempering valve that automat-
Anti-Scald pressure/
ically mixes cold water even when you turn your control lever or handle to
balancing valve or
full hot. These devices are usually adjustable so you can turn off the cold mix
tempering valve.
completely. You can compensate for this by increasing the setting on your
water heater if you need/want hotter water.
As the hot water from the heater runs through the hot water delivery system
Thermal loss due to
to your faucet, some heat will be lost especially if it has long distance to
long pipe run
travel or the pipes are cold. This is normal. You can compensate for this by
increasing the setting on your water heater if you need/want hotter water.
SOLUTIONS
14
EMAIL
eco.support@eemax.com
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