Trouble Shooting Guide - Pilot - Atwood Pilot 6 Gallon User Manual

A Division of Dura Automotive Systems
Guides are only intended for use on Atwood
Atwood ® training. This guide should be used in conjunction with the appropriate Instruction Manual provided with the
product and any applicable Industry standards. This is not intended to be a complete list. Please direct questions
concerning service of Atwood
CAUSE
PILOT OUTAGE
Gas pressure incorrect --------------------------Set pressure to a minimum of 11˝ W.C. with two or more appliances running
Blocked "U" tube --------------------------------Remove obstruction
Improper main burner alignment --------------Re-align main burner and main burner orifice holder and gas valve
Improper air adjustment ------------------------Adjust main burner air shutter approximately 1/4 open
Weak thermocouple------------------------------Replace thermocouple
Poor pilot flame ----------------------------------Clean or replace pilot orifice
Weak gas control magnet ----------------------Replace gas control
Defective E.C.O. in control ----------------------Replace gas control and check the pilot flame. It should be high enough to engulf
PILOT OUTAGE WHEN BUTTON OR KNOB IS RELEASED
Thermocouple not hot --------------------------Hold button or knob for 30 seconds before releasing
Thermocouple loose ----------------------------Tighten connection at gas control
Weak thermocouple------------------------------Replace thermocouple
Weak gas control magnet ----------------------Replace gas control
Defective E.C.O. in control ----------------------Replace gas control
MAIN BURNER WILL NOT IGNITE
Blocked main burner orifice --------------------Clean or replace orifice
Main burner flame spreader mis-alignment --Square flame spreader to end of main burner
Blocked main burner ----------------------------Remove blockage
Improper air adjustment ------------------------Adjust main burner air shutter approximately 1/4 open
Blocked "U" tube --------------------------------Remove blockage
Gas control out of calibration ------------------Replace gas control
ERRATIC MAIN BURNER FLAME
Improper gas pressure --------------------------Set inlet pressure to a minimum of 11˝ W.C. with two or more appliances running
Improper air adjustment ------------------------Adjust main burner air shutter approximately 1/4 open
Partial blockage of main burner ----------------Remove blockage
Partial blockage of main burner orifice --------Clean or replace orifice
Flame spreader misaligned----------------------Re-align spreader or replace main burner
Blockage in "U" tube ----------------------------Remove blockage
Poor gas supply ----------------------------------Replace gas supply
Exhaust grille blocked --------------------------Remove blockage
Improper main burner alignment --------------Re-align main burner, main burner orifice holder and gas valve
SMOKING AND SOOTING
Gas pressure incorrect --------------------------Set pressure to a minimum of 11˝ W.C. with two or more appliances running
Poor gas supply ----------------------------------Replace gas supply
Improper pilot flame ----------------------------Clean or replace pilot orifice
Improper air adjustment ------------------------Adjust main burner air shutter approximately 1/4 open
Flame spreader mis-aligned --------------------Re-align or replace main burner
Blocked main burner ----------------------------Remove blockage
Improper main burner alignment --------------Re-align main burner, main burner orifice holder and gas valve
Blocked "U" tube --------------------------------Remove blockage
INSUFFICIENT WATER TEMPERATURE
Temperature selector out of place--------------Re-set to desired position
Bypass levers improperly positioned ----------Reposition levers
Improper air adjustment ------------------------Adjust main burner air shutter approximately 1/4 way open
Partial main burner blockage ------------------Remove blockage
Improper main burner adjustment ------------Re-align main burner and main burner orifice holder
Flame spreader mis-aligned --------------------Re-align or replace main burner
Blocked "U" tube --------------------------------Remove blockage
® products by service technicians who have successfully completed
® products to 866-869-3118 before proceeding.
the thermocouple at all times.
9
Pilot Water Heater
TROUBLE SHOOTING GUIDE
SOLUTION
Effective: 5/26/98