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Troubleshooting Guide (cont'd)
Operational Conditions
SMELLY WATER
In each water heater there is installed at least on anode rod (see
parts section) for corrosion protection of the tank. Certain water
conditions will cause a reaction between this rod and the water.
The most common complaint associated with the anode rod is
one of a "rotten egg smell". This odor is derived from hydrogen
sulfide gas dissolved in the water. The smell is the result of _bur
factors which must all be present for the odor to develop:
• a concentration of sulfate in the supply water.
• little or no dissolved oxygen in the water.
• a sulfate reducing bacteria within the water heater. (This
harmless bacteria is non-toxic to humans.)
• an excessof active hydrogen in the tank. This is caused by the
corrosion protective action of the anode.
Smelly water may be eliminated or reduced in some water heater
models by replacing the anode(s) with one of less active material,
and then chlorinating the water heater tank and all hot water
lines. Contact your local Sears Service Center for further infor-
mation concerning an Anode Replacement Kit #9001453 and
this Chlorination _l_eatment.
If the smelly water persists after the anode replacement and chlo-
rination treatment, we can only suggest that continuous chlori-
nation and filtering conditioning equipment be considered to
eliminate the water problem.
Do not remove the anode leaving the tank unprotected. By doing
so, all warranty on the water heater tank is voided.
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
Your 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.
1. 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 period of time (generally two weeks or more).
Hydrogen gas is extremely flammable and explo-
sive. To prevent the possibility of injury under these
conditions, we recommend the hot water faucet be
opened for several minutes at the kitchen sink
before any electrical appliances which are connect-
ed 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 escaping through 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 I
HAZARD OF ELECTRICAL SHOCK! Before removing
any access panels or servicing the water heater, make I
sure the electrical supplyto the water heater is turned
"OFF". Failure to do this could result in DEATH, SERI-
OUS BOD LY NJURY,OR PROPERTY DAMAGE.
2. Remove the two screws securing the access panel and remove
panel.
3. Remove the tape and insulation pad to expose the terminal
cover.
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