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Problem:
Remedy:
Problem:
Remedy:
Problem:
Remedy:
Problem:
Remedy:
D.
Water temperature may be 160 degrees, causing contacts to
fluctuate.
E.
Defective circuit board.
Replace.
Switch on red light flashes one time then goes out.
Unit not lit.
A.
Spark probe grounded.
Proper gap 1/8" from center wire,
burner tube and/or flame spreader.
B.
Broken or shorted spark probe lead wire (heavy insulated,
light brown.)
C.
Temperature of water at 160 degrees allowing thermostat
contacts to fluctuate.
D.
Possible defective circuit board.
Replace.
Yellow main burner flame.
A.
Improper air adjustment.
B.
Partially plugged main burner orifice.
Remove and clean.
DO NOT ENLARGE.
C.
Obstruction in main burner tube.
Spiders, rust etc.
Remove
and clean.
D.
Bent or missing flame spreader.
Straighten or replace.
E.
Inadequate gas pressure into valve.
Check with manometer
11" water column minimum.
F.
Indadequate gas pressure at outlet side of valve.
Remove
pressure tap plug located at right front of solenoid valve.
Insert 1/8" MPT pipe nipple.
Hook up manometer.
Turn on
unit.
G.
Grille in upper left hand side of grille obstructed.
Filters,
tape, etc. should not be used to block any portion of this
grille.
E. Gas solenoid bracket bent.
Orifice not pointed up center of
main burner.
Tank leaks water.
A.
Check all plumbing fittings for leaks.
B.
Tank Corrosion.
Refer to warranty with unit.
Spark igniter continues to spark while burner is on.
A.
Flame sensor not correctly positioned in flame.
1-51
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