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Troubleshooting
Problem
Rumbling
Water conditions in your home
noise
caused a buildup of scale or
mineral deposits on the heating
elements
Water dripping
Hot/Cold water connections or
down the
other parts have loosened
outside of the
heater
Relief valve
Pressure buildup caused by
producing
thermal expansion to a closed
popping
system
sound or
draining
Hot water has
Certain water supplies with high
a rotten egg or
sulfate content will react with the
sulfur smell
anode rod that is present in all
water heaters for corrosion
protection of the tank
WARNING
The risk of scald injury increases as you increase water temperature. Use a water tempering or
Ÿ
mixing valve and extreme caution when using hot water to avoid scald injury. Consult codes for
conformance. Failure to follow the instructions in this warning statement could result in serious
personal injury or death from scalds.
Be sure to disconnect electrical power before performing service. Failure to do so could result in
Ÿ
electrical shock, property damage, serious personal injury, or death.
CAUTION
If draining of the water heater is necessary, open the T&P valve or a hot water tap to prevent vacuum
buildup in the tank and piping.
22
Possible Causes
Other
Remove and clean the heating elements. This
Ÿ
should only be done by a qualified service person
or plumbing contractor.
Tighten the loose connections. This should only be
Ÿ
done by a qualified service person or plumbing
contractor.
This is an unacceptable condition and must be
Ÿ
corrected. See Thermal Expansion section on page
12. Do not plug the relief valve outlet. Contact a
plumbing contractor to correct this.
In certain cases, increasing the tank temperature to
Ÿ
140°F (60 °C) can reduce this odor issue. Reference
the Water Temperature Adjustment section of the
Important Safety Information of this manual for
procedure and dangers of scalding water.
Installation of temperature limiting valves can be
used to reduce risk of scalding.
What To do
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