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PILOT LIGHT TROUBLESHOOTING CHART
Section A: Pilot light will not light (new installation). Section C: Pilot light will not remain lit.
Check for insufficient combustion air. m
Is the manual gas shut-off valve, / •lTurn the manual gas shut-off valve to I
located in the supply line to the INNO _lthe on position and follow the lighting I
mwaterheater,inthe°np°siti°n?/ " minstructi°ns °n the fr°nt °f the water heater" m
YES
/ • IWhile repeatedly depressing the igniter
Have you bled all the air
from the pilot tube and IN NOmll_lbutton, push in and hold the gas control/
[gas supp y ne? | --Itemperature knob until the pilot is lit and
a maintains a stable flame, (status light
YES will blink) then release the gas control/
temperature knob.
Is S 0nte' r° ucin0a !
Follow the "Testing the Igniter
System sect on n th s manual. I lSet thermostat to desired temperature" J
Section B: Pilot light repeatedly goes out.
Remove the burner door Refer to the "Maintenance of /
assembly. Are the flame-trap and ikl your Water Heater" section of this L
==NO . . .
burner free from debris due to
lip manual for informatlon on cleanlng |
excessive lint, dirt, dust or oil? the flame-trap and burner. I II
YES
/
,!, 4,
Does the flame-trap IN Reassemble the heater, press the thermal I
show signs of NON_, switch, and attempt to return the heater to
/d sco orat on?
serv ce. Does the pot rema n t?
YES YES NO
m
Shut-off the gas supply to the water heater at the I /
manual gas shut-off valve, and contact Customer
I
!
Serv ce at 1-877-817-6750
ISet to desired temperature. I
Does the diagnostic status light on the
gas control valve/thermostat give
a two fash error code?
YES
Go to section C. I
",I,
Refer to the "Replacing the Pilot I
Assemby nstructons n the manua. I
!
m
I Reassemble and restore to service. I
Are the combustion air supply and ventilation openings • ICorrect size of
of sufficient size? See "Combustion Air Supply and m NOmlpIopenings to allow
Ventilation" section in this manual for requirements. |surf cent a r.
Y_S
÷
mNOmlls there a furnace/air handler in the same room as the water heater? I
YES
Does the return air duct for the furnace/
air handler draw its air from a separate IContact a local Heating, I
location than the water heater? See the • IVentilation, Air-Conditioning I
"Location Requirements" section and NNO_ 1& Refrigeration authorized I
the "Combustion Air Supply" section. I service pr°vider t° c°rrect I
lthe combustion air supply/ I
YES | ventilation issue, I
÷
_lls there proper drafting at the | ICheck the vent
drafthood? See "Checking thelm NOmll_sY stem for restrictions/
IDraft" section in this manual. | Y Iobstructions and check
y--_ |the vent termination
II |height. Refer to the
II |"installation Instructions"
II |section of this manual for
/ specific requirements.
I Contact Customer Service at 1-877-817-6750. I
NOTE: If you are still experiencing difficulties after
following the steps in sections A, B, and C, please
contact Customer Service at 1-877-817-6750.
Figure 30
Thermal Switch Location
29
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