Filter
Top Products
16
A hydrogen sulfide (rotten egg) odor may result if water contains high
sulfate and/or minerals. Chlorinating the water supply should minimize the
problem. (See EXTENDED NON-USE PERIODS).
NOTE: Anode must remain installed (except for inspection) to avoid
shortening tank life. See LIMITED WARRANTY. Replace as necessary.
SERVICE AND REPAIR
The A.O. Smith water heater requires no special care other than the normal
maintanence as noted above. If you are having a problem with your water
heater, before calling for service please refer to the following
TROUBLESHOOTING sections. If service becomes necessary, contact
your dealer, installer or an authorized service agent. Do not attempt to
repair the water heater yourself. Any work performed by unauthorized
personnel may void the warranty.
If you are having a problem with your A.O. Smith water heater and are not
pleased with the service you received:
• First, please contact your dealer or the A.O. Smith authorized service
agent in your area and explain to them why you are not satisfied. This
will usually correct the problem.
• If after working with your dealer or service agent the problem has not
been resolved to your satisfaction, please let us know by either writing
to us at,
U.S. Customers Canadian Customers
A.O. Smith Water Products Company A.O. Smith Enterprises Ltd.
Service Department P.O. Box 310
500 Lindahl Parkway 768 Erie Street
Ashland City, TN 37015 Stratford, Ontario N5A 6T3
or, going to our website at: www.hotwater.com
Please click on: "Mail",
then click on: "Service"
and leave us a message.
Please be sure to provide the following information when writing or e-mailing:
• Model Number
• Serial Number
• Date of Original Purchase
• Date Problem Originated
• Explanation of Problem
Also, please be sure to include a daytime telephone number.
TROUBLESHOOTING
Water heaters may exhibit problems that are unrelated to a malfunction of
the water heater itself. The following information and tables may serve to
answer your question about a problem that you are having without having
to call a service agent.
For your safety, water heater service should be performed only by a qualified
service technician. Read the GENERAL SAFETY INFORMATION section
first.
WATER HEATING CYCLE
(GAS AND ELECTRIC POWER ARE ON,“OFF/ON” SWITCH IS ON)
1) CALLS FOR HEAT
A) THERMOSTAT SENSES NEED FOR HEATING WATER
B) CONTACTS CLOSE IN THERMOSTAT, POWER (115 VAC)
FLOWS TO BLOWER MOTOR
2) BLOWER MOTOR ROTATES BLOWER WHEEL
A) BLOWER WHEEL SPEED INCREASES
B) WHEEL SPEED INCREASES, AIR PRESSURE SWITCH
CONTACTS CLOSE
3) 120 VAC FLOWS TO HOT SURFACE IGNITER
NOTE: THE CONTROL MODULE ON THIS UNIT WILL TRY A MAXIMUM
OF THREE TIMES TO LIGHT THE UNIT. CYCLE CAN BE RESTARTED
AT ANY TIME BY TURNING OFF SWITCH AND THEN TURNING BACK
ON. IF UNIT HAS GONE THROUGH THREE CYCLES AND DID NOT
LIGHT, THEN REPAIRMAN SHOULD BE CALLED TO CHECK
OPERATION OF HEATER.
4) MAIN BURNER IGNITES
A) GAS FLOWS TO MAIN BURNER PORTS AND IS IGNITED
5) GAS VALVE SENSES BURNER FLAME
6) BURNER HEATS WATER
A) BURNER HEATS WATER TO THERMOSTAT SETTING
B) CONTACTS IN THERMOSTAT OPEN,
C) CYCLE IS COMPLETED