State SBB75 76NE - Manual (Page 16)

16
NOTE: Anode must remain installed (except for inspection) to
avoid shortening tank life. See LIMITED WARRANTY. Replace
as necessary.
SERVICE AND REPAIR
The water heater requires no special care other than the normal
maintenance 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.
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