Maytag H675NRRS Operations Instructions download pdf (Page 29)

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 off is built into the gas

tank. Certain water conditions will cause a reaction bet-,veen control valve. This system shuts offthe gas supply to the

this rod and the water. The most common complaint associat- water heater burners when high water temperatures are pre-

ed with the anode rod is one of a "rotten egg smell". This sent. It is non-resettable. If the high temperature shut off

odor is derived from hydrogen sulfide gas dissolved in the activates, the gas control valve must be replaced. If this were

water. The smell is the result of four factors which must all be to occur, turn "OFF" the entire gas supply to the water heater.

present 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. F I

b. little or r,o dissolved oxygen in the water. ) A WARNING I

c. a sulfate reducing bacteria within the water heater, r[Should overheatin_ gas supply fail to 11

(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 appliance. ]

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.

ceming an Anode Replacement Kit #66001068 and this

Chlorinatlon Treatment. 3. If the pilot is not fit, follow the "Lighting" instructions in this

manual or located above the gas control valve on the water

I( the smelly water persists after the anode replacement and heater to refight 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 cons|d- 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 autho-

Do not remove the anode leaving the tank unprotected. By rized 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 c°mpany can check the gas input t° see ifit is c°rrect'

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-| dosed.

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

ed to the hot water system are used (such as a dish- seem like less hot water.

washer or washing machine). If hydrogen gas is pre-

sent, there will probably be an unusual sound simi-

lar to air escaping through the pipe as the hot 9. If you cannot find what is wrong, call Maytag 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.

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Maytag H675NRRS Operations Instructions Page 29

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