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Troubleshooting Guide (cont'd)
_WARNING
This troubleshooting guide hasbeen supplied for useby quali-
fied service personnel who havea complete understanding of
beth eectr c ty and gas.
ACAUTION
Label all wiring before disconnecting any wiring; to ensure
correct reconnection. Failure to follow this instruction
could cause improper and possible dangerous operation,
resulting in DEATH, SERIOUS BODILY INJURY, OR
PROPERTY DAMAGE.
THERMOSTAT AND GAS SUPPLY CHECK
................ Is gas being
No thermostat?
J
i
lTom"ON'gass°pplY ]
supplied to the ..
Y_s
l
I Is p,ilot lit?
I
I
e
I
I Light Pilot. (See Lightingl l
Instructions in manual or attached _ ............. No ............. "
to water heater.)
l 1
f_iiotwon,tlight. I Lpil°tlights. I
!
I Check thermocouple.
I
Bad Good
I Replace thermocouple.
Yes
•_ [ Is gas cock knob turned "ON"?
Yes
I [Turn gas cock knob to "ON". }_ ..... No ....
[ Replace thermostat.
Is thermostat calling for heat? Run
(hot) water from heater and turn
adjustment knob higher. Check
using a manometer at thermostat
pressure tap.
I
Replace thermostat.
. - -. ....... NO
Call gas company to increase gas _,_ ................
............. ,J ye s
I ,1
Is there a minimum gas pressure 3_"
W.C. for natural gas or 8" W,C. for
propane (L.P) gas?
I
No ............. J
Yes
GO TO ELECTRICAL SYSTEM <
CHECK SECTION
35