State GS6 50 UOCT - Manual (Page 31)

31
PILOT LIGHT TROUBLESHOOTING CHART
Have you bled all the air
from the pilot tube and
gas supply line?
NO
While repeatedly depressing the igniter
button, push in and hold the gas control/
temperature knob until the pilot is lit and
maintains a stable flame, (status light
will blink) then release the gas control/
temperature knob.
Section A: Pilot light will not light (new installation).
Is the manual gas shut-off valve,
located in the supply line to the
water heater, in the on position?
NO
YES
Turn the manual gas shut-off valve to
the on position and follow the lighting
instructions on the front of the water heater.
Is the igniter producing a
spark?
YES
NO
Follow the “Testing the Igniter
System” section in this manual.
Check for insufficient combustion air.
Are the combustion air supply and ventilation openings
of sufficient size? See “Combustion Air Supply and
Ventilation” section in this manual for requirements.
Is there a furnace/air handler in the same room as the water heater?
Does the return air duct for the furnace/
air handler draw its air from a separate
location than the water heater? See the
“Location Requirements” section and
the “Combustion Air Supply” section.
Is there proper drafting at the
drafthood? See “Checking the
Draft” section in this manual.
NO
Contact a local Heating,
Ventilation, Air-Conditioning
& Refrigeration authorized
service provider to correct
the combustion air supply/
ventilation issue.
Correct size of
openings to allow
sufficient air.
NO
YES
YES
YES
NO
Check the vent
system for restrictions/
obstructions and check
the vent termination
height. Refer to the
“Installation Instructions”
section of this manual for
specific requirements.
NO
Section C: Pilot light will not remain lit.
Contact the manufacturer for
service information.
YES
Set thermostat to desired temperature.
Section B: Pilot light repeatedly goes out.
Remove the burner door
assembly. Are the flame-trap and
burner free from debris due to
excessive lint, dirt, dust or oil? Refer to the “Maintenance of
your Water Heater” section of this
manual for information on cleaning
the flame-trap and burner.
NO
YES
Does the diagnostic status light on the
gas control valve/thermostat give
a two flash error code?
Does the flame-trap
show signs of
discoloration?
YES
Shut-off the gas supply to the water heater at
the manual gas shut-off valve, then contact
the manufacturer.
NO
Reassemble the heater and attempt to
return the heater to service. Does the
pilot remain lit?
YES
Set to desired temperature.
NO
YES
Refer to the “Replacing the Pilot
Assembly” instructions in the manual.
Reassemble and restore to service.
Go to section C.
NO
NOTE: If you are still experiencing diffi culties after
following the steps in sections A, B, and C,
use the
telephone number on the warranty sheet to contact Customer
Service
.
YES