Maytag HN41240X Water Heater User Manual


 
Troubleshooting (cont'd)
Operational Conditions
SMELLY WATER HIGH TEMPERATURE SHUT OFF SYSTEM
In each glasslined water heater there is installed at least one This water heater is equipped with an automatic gas shut off
anode rod (see parts section) for corrosion protection of the system. The high temperature shut offls built into the gas
tank. Certain water conditions will cause a reaction between control valve. This system shuts off the gas supply to the
this rod and the water. The most common complaint associat- water heater burners when high water temperatures are pres-
ed with the anode rod is one of a "rotten egg smell". This odor ent. It is non-resettable. If the high temperature shut off actl-
is derived from hydrogen sulfide gas dissolved in the water, rates, the gas control valve must be replaced. If this were to
The smell is the result of four factors which must all be pres- occur, turn "OFF" the entire gas supply to the water heater.
ent for the odor to develop: Call Maytag Customer Service at 1-800-788-8899 for an
authorized servicer.
a. a concentration of sulfate in the supply water.
b. little or no dissolved oxygen in the water. =tWARNING i
c. a sulfate reducing bacteria within the water heater. Should overheating occur or the gas supply fail to ]
(This harmless bacteria is non-toxic to humans.) shut off, turn "OFF" the manual gas control valve to !
d. an excess of active hydrogen in the tank.This is caused the app ante.
by the corrosion protective action of the anode.
NOT ENOUGH OR NO HOT WATER
Smelly water may be eliminated or reduced in some water
heater models by replacing the anode(s) with one of less active
1. Check the manual gas shut offvalve to be sure it is open.
material, and then chlorinating the water heater tank and all
hot water lines. Call Maytag Customer Service at 1-800-788- 2. Check the pilot flame. It may have gone out. All models
8899 for an authorized servicer for further information con- have an opening behind the outer door for viewing the pilot.
cerning an Anode Replacement Kit #66001068 and this
Chlorination Treatment. 3. If the pilot is not lit, foUowthe "Lighting" instructions in this
manual or located above the gas control valve on the water
If the smelly water persists after the anode replacement and heater to relight the pilot. If the water was extremely hot and
chlorination treatment, we can only suggest that continuous is now cold, the high limit safety temperature shut offmay
chlorination and filtering conditioning equipment be consid- have put out the burner and pilot. If the high temperature
ered to eliminate the water problem, shut offactivates, the gas control valve must be replaced. Call
Maytag Customer Service at 1-800-788-8899 for an attthor-
Do not remove the anode leaving the tank unprotected. By ized servicer.
doing so, all warranty on the water heater tank is voided.
4. The gas control knob must be turned to the "ON" position.
"AIR" IN HOT WATER FAUCETS 5. The temperature adjustment dial may be set too low. See the
"Temperature Regulation" section.
AWARNING 6. The gas company can check the gas input to see if it is correct.
HYDROGEN GAS: Hydrogen gas can be produced in An underfired water heater will not heat water as quickly.
a hot water system that has not been used for a
long period of time (generally two weeks or more). 7. Look for leaking or open hot water faucets. Make sure all are
Hydrogen gas is extremely flammable and explo- closed.
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 8. The cold water inlet temperature may be colder during the
before any electrical appliances which are connect- winter months. It will take longer to heat the water and seem
ed to the hot water system are used (such as a dish- like less hot water.
washer 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 9. If you cannot find what is wrong, callMaytag Customer
water faucet is opened. There must be no smoking Service (1-800-788-8899 for an authorized servicer.
or open flame near the faucet at the time it is open. j
26