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These guidelines
should beused b y aqualified service agent. CalJ Sears Service at1-800-4-MY_HOME
<'_ (1-800-469-4663)
for a ssistance.
Inform t he associate
that t his isa"Flammable
Vapor Ignition Resistant"
Product.
YA BC
@OO@OO
An open earth ground circuit to the
ignition system.
1. Check that the earth ground connection
is
properly connected.
2.
Check that the ground conductor on the
water heater is properly connected.
V A
B C
Wiring error or a high resistance
to
1.
Checkforproperconnectionofline
qj_ OOOl_
O
earth ground,
neutral and hot wires.
2.
Check that the water heater is securely
connected
to earth ground.
T
A
B C
Pressure switch remained closed longer
1.
Pressure switch wiring is incorrect.
than 5 seconds after the calJ for
2.
Replace pressure
switch.
heat began.
A
B C
Pressure switch remained open longer
1.
Pressure switch wiring is incorrect.
than 5 seconds after the combustion
2.
Pressure switch tubing not connected
@ O
@O
O @
blower was energized,
correctly.
3.
Air intake or exhaust obstructed.
YA
BC
@O@O@@
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.
2.
YA
BC
@00@@0
3.
4.
Gas supply is off or too low to operate.
Hot surface ignitor not positioned
correctly.
Low voltage to the water heater.
Electric polarity to unit is incorrect =test
and correct.
V A
B C
Problem in the gas valve driver circuit.
1.
Turn power to the water heater off for
10 seconds
and the back on.
@ O
O O
@ @
2.
Replace gas control valve.
Y
A
B C
Problem with the internal circuit.
1.
Turn power to the water heater off for
10 seconds
and then back on.
@ O
@ @ @ O
2.
Replace gas control valve.
_' A
B C
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.
T
A
B C
Flame signal sensed out of
1.
Replace gas control valve.
@ 0
0
0
@ 0
propersequence.
YA
B C
@OO@@@
ECO activated.
1.
Replace gas control valve.
V
A
B C
One of the temperature
adjust
1.
Press and release each of the buttons
@ O @ @ O
O
buttons stuck closed,
once.
2.
Replace gas control vaJve.
VA
B C
Water temperature
sensor is
1.
Check that all wiring is correct and secure.
@O@@O@
either open or short circuited.
2.
Replace gas control valve.
V A
B C
Unitshutsdownandinlockout.
1.
Clean and reinstalJ the air intake screen
@ O
@@
@ @
2,
Clean and reinstall the lint screen on the
Blower assembly.
• " A
B C
Unit shuts down.
1.
Check for correct wiring to FV sensor,
O O O@ O O
2.
Check for open circuits to FV sensor.
--
--
3,
Replace FVsensor,
T
A
B C
Unitshutsdownandinlockout,
1,
FVsensordetectedpresenceofflammablevapors,
@ O
O O
O
@
2.
Contact Sears Service Center to determine cause.
29
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