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Electronic Ignition Water Heater (continued) Effective: 5/26/98
CAUSE SOLUTION
EXCESSIVE OR INSUFFICIENT WATER TEMPERATURES
By-pass kit valves not set properly ----------------------------Place valves in proper position
Thermostat not seated against tank ----------------------------Reseat thermostat
Defective thermostat----------------------------------------------Replace thermostat
ERRATIC BURNER FLAME OR SOOTING
Low gas pressure ------------------------------------------------Set inlet pressure at a minimum 11˝ W.C. with two or more gas
appliances running
Poor gas supply --------------------------------------------------Replace gas supply
Improper air adjustment ----------------------------------------Adjust main burner air shutter approximately 1/4 way open. Flame
should be mainly blue and quiet.
Poor main burner alignment ------------------------------------Adjust valve and main burner alignment
Misaligned burner flame spreader ------------------------------Align flame spreader so it is square with end of burner tube.
Blocked burner orifice--------------------------------------------Clean orifice. DO NOT enlarge orifice
Obstructed main burner------------------------------------------Clean main burner
Obstructed “U” tube ----------------------------------------------Clean “U” tube
Obstructed exhaust grille ----------------------------------------Remove obstruction
NO SPARK AND NO GAS
No voltage --------------------------------------------------------Correct power supply - minimum 10.5 VDC
Dirty edge connector on circuit board--------------------------Clean edge connector
Defective thermal cut-off ----------------------------------------Replace thermal cut-off
Defective ON/OFF switch ----------------------------------------Replace switch
Defective circuit board--------------------------------------------Replace circuit board
Defective thermostat----------------------------------------------Replace thermostat