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Troubleshooting
Guide
Operational
Conditions
SMELLY
WATER
In each water heater there is installed at least one anode rod for
corrosion
protection
of the tank. Certain
water conditions
will
cause a reaction between this rod and the water. The most com-
mon complaint
associated with the anode rod is one of a "rotten
egg smell". This odor_ .... i s derived from hydro_gen sulfide gas dis-
solved in the water. I he smell is the result o_four factors which
must all be present for the odor to develop:
a. a concentration
of sulfate in the supply water.
b. little or no dissolved oxygen in the water.
c. a sulfate reducing
bacteria
within
the water heater.
(This
harmless bacteria is non-toxic
to humans.)
d. an excess of active hydrogen
in the tank. This is caused
by the corrosion
protective action of the anode.
The anode rod in a new glasslined water heater works rapidly to
protect the tank. After a period of time the anode action slows
and the odor may dissipate.
A smelly water condition
(Rotten
Egg Odor) in your Compact
Electric water heater can, in most cases, be resolved or reduced
with the addition
of sufficient amounts
of chlorine to eliminate
the bacterial
growth inside the tank. This can be accomplished
through
the installation
of a chlorine
feeder to the system or the
periodic
flushing of the water heater with "Chlorox"
as needed.
On systems
where
the odor is mild and does not occur too
rapidly,
a monthly
flushing
may be sufficient.
In more severe
cases, a system feeder wouldbe
more appropriate.
RUMBLING
NOISE
In some water areas, scale or mineral deposits will build up on
your heating elements. This buildup will cause a rumbling noise.
Follow "Element Cleaning/Replacement"
instructions to clean
and replace the elements.
HIGH
TEMPERATURE
SHUT
OFF
SYSTEM
The water heater has a high limit shut off system with a reset
button located on the thermostat.
Follow the resetting instructions which refer to the high limit
behind the access panel.
• Before beginning, turn "OFF" electrical power supply to the
water heater.
"AIR"
IN HOT
WATER
FAUCETS
_,WARNING
HYDROGEN GAS: Hydrogen gas can be produced in a
hot water system that has not been used for a long peri-
od of time (generally two weeks or more). Hydrogen gas
is extremely flammable and explosive. To prevent the
possibility of injury under these conditions, we recom-
mend the hot water faucet be opened for several min-
utes at the kitchen sink before any electrical appliances
which are connected to the hot water system are used
(such as a dishwasher or washing machine). If hydrogen
gas is present, there will probably be an unusual sound
similar to air escapingthrough the pipe as the hot water
faucet is opened. There must be no smoking or open
flame near the faucet at the time it is open.
_,WARNING
HAZARD OF ELECTRICAL SHOCK! Before removing
any access panels or servicing the water heater, make
sure the electrical supply to the water heater is turned
"OFF". Failure to do this could result in DEATH, SERI-
OUS BODILY INJURY,OR PROPERTY DAMAGE.
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