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TROUBLESHOOTING GUIDELINESTROUBLESHOOTING GUIDELINES
These guidelines should be used by a qualified service agent. Call Sears Service at 1-800-4-MY-HOME
®
(1-800-469-4663)
for assistance. Inform the associate that this is a “Flammable Vapor Ignition Resistant” Product.
PROBLEM SOLUTION
An open earth ground circuit to the 1. Check that the earth ground connection is
ignition system. properly connected.
2. Check that the ground conductor on the
water heater is properly connected.
Wiring error or a high resistance to 1. Check for proper connection of line
earth ground. neutral and hot wires.
2. Check that the water heater is securely
connected to earth ground.
Pressure switch remained closed longer 1. Pressure switch wiring is incorrect.
than 5 seconds after the call for 2. Replace pressure switch.
heat began.
Pressure switch remained open longer 1. Pressure switch wiring is incorrect.
than 5 seconds after the combustion 2. Pressure switch tubing not connected
blower was energized. correctly.
3. Air intake or exhaust obstructed.
Error in the hot surface ignitor circuit. 1. Check that all wiring is correct and secure.
2. Replace hot surface ignitor.
System in lockout. 1. Gas supply is off or too low to operate.
2. Hot surface ignitor not positioned
correctly.
3. Low voltage to the water heater.
4. Electric polarity to unit is incorrect - test
and correct.
Problem in the gas valve driver circuit. 1. Turn power to the water heater off for
10 seconds and the back on.
2. Replace gas control valve.
Problem with the internal circuit. 1. Turn power to the water heater off for
10 seconds and then back on.
2. Replace gas control valve.
Problem with the internal circuit. 1. Turn power to the water heater off for
10 seconds and then back on.
2. Replace gas control valve.
Flame signal sensed out of 1. Replace gas control valve.
proper sequence.
ECO activated. 1. Replace gas control valve.
One of the temperature adjust 1. Press and release each of the buttons
buttons stuck closed. once.
2. Replace gas control valve.
Water temperature sensor is 1. Check that all wiring is correct and secure.
either open or short circuited. 2. Replace gas control valve.
Unit shuts down and in lockout. 1. Clean and reinstall the air intake screen.
2. Clean and reinstall the lint screen on the
Blower assembly.
Unit shuts down. 1. Check for correct wiring to FV sensor.
2. Check for open circuits to FV sensor.
3. Replace FV sensor.
Unit shuts down and in lockout. 1. FV sensor detected presence of flammable vapors.
2. Contact Sears Service Center to determine cause.
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LED STATUS
WATER HEATER CONTROL
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