Atwood Mobile Products 94605 service manual Water Heater Lock OUT Spark Present but no GAS

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Electronic Ignition Water Heater

TROUBLE SHOOTING GUIDE

Effective: 5/26/98

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 800-825-4328 before proceeding.

CAUSESOLUTION

WATER HEATER LOCK OUT - SPARK PRESENT BUT NO GAS

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

WATER HEATER LOCK OUT - GAS PRESENT BUT NO SPARK

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

WATER HEATER LOCK OUT - GAS AND SPARK PRESENT

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

continued

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Contents Atwood Service Department This page Intentionally Left Blank Table of Contents Marine Water Heaters Pilot Models Type of GAS Ignition Atwood 6 and 10 gallon Pilot Water HeatersThermostat Wrench Recommended Tools and EquipmentJaderobertshaw Gas Thermostat Controls and Pilot AssembliesRobertshaw Unitrol White Rodgers JADE, ITTPilot Sequence of Operation Pilot and Main Burner Pilot AdjustmentPilot Water Heater Or equivalent Engine Heat Exchange SystemAftermarket Heating Elements Heat Exchanger TubesBOLT-IN SCREW-IN Electronic Ignition Models Atwood 6 and 10 gallon Electronic Ignition Water Heaters Continuity & Voltage Tube Manometer MULTI-METER to TestDSI Sequence of Operation Water Heater Lock OUT GAS Present but no Spark Water Heater Lock OUT Spark Present but no GASWater Heater Lock OUT GAS and Spark Present Electronic Ignition Water Heater Effective Cause SolutionInformation Guide Intermittent Ignition Water Heater Effective 8/21/00 Thermal CUT-OFF Device To Test Power TrackTo Test Lamp Track To Test Valve TrackWiring Schematic Water Heater Wiring SchematicsGeneral Information PRESSURE-TEMPERATURE Relief Valve Rotten EGG Odor CGA AGADSI Owner’s Name and Address Warranty ProceduresManufacturer, Model, Year and VIN # of RV Hardware Water Heater FurnaceRange & Ovens Water Heaters Pilot Water Heater 6 10 gallon Pilot 91591 Electric Side Electric Water Heaters Electronic Water Heater 6 10 gallon Electronic 1E-GH101E,-G10 GAS/ELECTRIC Combination GASGAS PILOT-RELIGHT GAS & Electronic IgnitionDescription Electric Water Heater

94605 specifications

Atwood Mobile Products 94605 is a robust and reliable solution designed to cater to the needs of RV and trailer enthusiasts. This product has gained considerable attention in the market due to its exceptional build quality, innovative features, and user-friendly design.

One of the standout characteristics of the Atwood 94605 is its high efficiency. Designed specifically for recreational vehicles, this product ensures optimal performance, reducing energy consumption while maximizing output. The incorporation of advanced heating technologies allows for quicker heating times and consistent temperature regulation, making it ideal for both short trips and extended outdoor adventures.

The Atwood 94605 is equipped with a lightweight and compact design, allowing for easy installation and integration into various RV models. Its low-profile construction not only minimizes the space it occupies but also enhances its compatibility with numerous vehicle layouts. This careful consideration of design ensures that users can enjoy the benefits of this product without sacrificing space or aesthetic appeal.

Durability is another key feature of the Atwood 94605. Constructed from high-quality materials, this product is built to withstand the rigors of travel and changing weather conditions. This resilience means that users can depend on the Atwood 94605 for years to come, ensuring peace of mind during their adventures.

The ease of use is also a significant aspect of the Atwood 94605. The product boasts straightforward controls that make it accessible for all users, whether they are seasoned RVers or newcomers to the camping experience. The user-friendly interface simplifies the heating process, allowing users to focus on enjoying their trips rather than fussing over complicated systems.

Safety features are paramount in the design of the Atwood 94605. It includes multiple safety mechanisms to prevent overheating and provides users with an added layer of security while in operation. These built-in protections contribute to the overall reliability and trustworthiness of the product.

In conclusion, Atwood Mobile Products 94605 offers an impressive combination of efficiency, durability, and user-friendly operation. With its high-quality construction and advanced heating technology, this product is designed to enhance the RV experience, making it a valuable addition to any outdoor enthusiast's toolkit. Whether embarking on a weekend getaway or a cross-country adventure, the Atwood 94605 is engineered to deliver performance and reliability.
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