Atwood CH6-4E, Руководство пользователя

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Guides are only intended for use on Atwood ® products by service technicians who have successfully completed
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
® products to 866-869-3118 before proceeding.
CAUSE SOLUTION
WAT E R H E AT E R L O C K O U T - S PA R K P R E S E N T B U T N O G A S
Gas pressure incorrect ------------------------------------------ Set inlet pressure at a minimum 11˝ W.C. with two or more gas
appliances running
Low voltage -------------------------------------------------------- Correct power supply - 10.5 VDC minimum
Blocked main burner tube -------------------------------------- Clean burner tube
Blocked main burner orifice ------------------------------------ Clean or replace orifice
Loose wires on E.C.O. -------------------------------------------- Secure wire connections
Loose wire connections on solenoid valve -------------------- Secure wire connections
Loose valve wire on wiring harness ---------------------------- Repair wire on edge connector or replace wiring circuit board harness
Defective E.C.O. -------------------------------------------------- Replace E.C.O.
Defective circuit board -------------------------------------------- Replace circuit board
Defective solenoid valve ------------------------------------------ Replace coils or solenoid valve
No gas to solenoid valve ---------------------------------------- Correct gas supply
Dirty connector on circuit board -------------------------------- Clean edge connector
WAT E R H E AT E R L O C K O U T - G A S P R E S E N T B U T N O S PA R K
High tension lead wire loose ------------------------------------ Secure wire connection on circuit board
Electrodes loosely attached to main burner ------------------ Secure electrodes to main burner
Improper electrode gapping ------------------------------------ Re-position spark gap to 1/8˝ and into path of flame
Dirty electrodes -------------------------------------------------- Clean electrodes
Wires loose in electrode porcelain ------------------------------ Replace electrodes
Cracked porcelain on electrode ---------------------------------- Replace electrodes
Defective circuit board -------------------------------------------- Replace circuit board
WAT E R H E AT E R L O C K O U T - G A S A N D S PA R K P R E S E N T
Gas pressure incorrect ------------------------------------------ Set inlet pressure at a minimum 11˝ W.C. with two or more gas
appliances running
Low voltage -------------------------------------------------------- Correct power supply - 10.5 VDC minimum
Poor electrical ground -------------------------------------------- Secure electrical ground
Electrodes out of flame pattern -------------------------------- Re-adjust electrodes
Electrodes sparking to screw fastening burner to flue tube Adjust electrodes away from screw
Dirty electrodes
-------------------------------------------------- Clean electrodes
Partial obstruction in main burner ------------------------------ Clean main burner
Partially obstructed main burner orifice ------------------------ Clean main burner orifice or replace
Improper air adjustment ---------------------------------------- Adjust main burner air shutter approximately 1/4 open
Flame spreader on main burner out of adjustment ---------- Adjust flame spreader so that it is square to the end burner tube out
of alignment of the main burner
Manifold not aligned with main burner ------------------------ Re-align solenoid valve with main burner
Partially opening solenoid valve -------------------------------- Replace solenoid valve
Defective circuit board -------------------------------------------- Replace circuit board
Electronic Ignition Water Heater
TROUBLE SHOOTING GUIDE
Effective: 5/26/98
continued
A Division of Dura Automotive Systems