American Water Heater VG6250T100 Blower Prover Failure, Blower Prover Open, Blocked Air Intake

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Fault And Alert Messages (cont)

Fault And Alert Messages (cont)

Call the technical support phone number listed on the back cover for further technical assistance or to locate a qualified service agent in your area.

Possible Causes - Check/Repair

Displayed Fault/Alert Message

• The control system has detected the Blower Prover Switch

 

 

 

 

 

Blower Prover Failure

 

contacts are closed when they should be open at the beginning of

 

a heating cycle.

 

Fault occurred 2 mins ago

 

 

 

• Pinched/shorted Blower Prover Switch wiring.

The blower prover switch is

 

 

 

 

closed out of sequence.

 

 

 

• Jumper wire connected to the Blower Prover Switch - remove

 

 

 

 

 

 

 

 

jumper wire. Jumper wires must never be used, read all Warnings.

 

 

 

 

 

• Excessive wind outdoors pressurizing the vent system piping.

Call a service professional:

 

 

• Excessive negative air pressure in the installed space.

Your Company Name Here

 

 

(press [DOWN] for more....)

 

 

 

 

 

 

CHANGE

BACK

ADVANCED

 

 

 

 

 

 

 

 

 

 

 

 

 

• The control system has detected the Blower Prover Switch

 

 

 

 

 

Blower Prover Open

 

contacts are remaining open after the control system has

 

energized the Combustion Blower.

 

Fault occurred 2 mins ago

 

 

 

 

 

 

 

 

• Loose or open wiring to the Blower Prover Switch.

The blower prover switch remains

 

 

 

 

open after the blower has been

 

 

• Blower Prover Switch air sensing tube disconnected, kinked, filed

 

 

energized.

 

 

 

with condensate, damaged or leaking - repair or replace tube.

 

 

 

 

 

• Combustion Blower is not running when energized.

Call a service professional:

 

 

• Loose or open wiring to Combustion Blower.

Your Company Name Here

 

 

(press [DOWN] for more....)

 

 

 

 

 

 

CHANGE

BACK

ADVANCED

 

 

 

 

 

 

 

 

 

 

 

 

 

• The control system has detected the Blocked Intake Air Switch

 

 

 

 

 

Blocked Air Intake

 

contacts are open.

 

• Loose or open wiring to the Blocked Intake Air Switch.

 

Fault occurred 2 mins ago

 

 

 

The combustion air intake is

 

 

• Excessive equivalent pipe length, exceeded the maximum number

 

 

restricted.

 

 

 

 

 

 

of 90° elbows or wrong pipe size used in the intake air piping

 

 

 

 

 

 

 

 

system.

 

 

 

 

 

• Excessive negative air pressure in the installed space.

Call a service professional:

 

 

 

Your Company Name Here

 

 

 

(press [DOWN] for more....)

 

 

 

 

 

 

CHANGE

BACK

ADVANCED

 

 

 

 

 

 

 

 

 

 

 

 

 

• The control system has detected the ECO (energy cut out) Switch

 

 

 

 

 

Energy Cut Out (ECO)

contacts are open.

• The ECO switch is a normally closed switch that opens on a

 

Fault occurred 2 mins ago

 

 

 

Tank temperature is excessive.

 

 

temperature rise to prevent excessive water temperature in the

 

 

The water heater has been

 

 

storage tank. The ECO switch is inside the Temperature Probe

 

 

disabled.

 

 

 

(two red wires).

 

 

 

 

 

 

 

 

• Loose or open wiring to the ECO switch in the Temperature Probe

Call a service professional:

 

 

- two red wires.

Your Company Name Here

 

 

 

(press [DOWN] for more....)

 

 

 

 

 

CHANGE BACK ADVANCED

55

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Contents Instruction Manual For Your Safetywhenever maintenance adjustment or service is required RESIDENTIAL GAS WATER HEATERStable of contents APPROVALS safe installation, use and serviceDANGER Explosion Hazard general safety informationPrecautions Improper installation, use and service may result in property damagegeneral safety information Electrical Shock Hazard General Safety InformationFire or Explosion Hazard Breathing Hazard - Carbon Monoxide GasQualifications Preparing For The Installationintroduction Abbreviations UsedControl Assembly features and componentsREPLACEMENT PARTS AND DELIMING PRODUCTS Get To Know Your Water Heater - Gas ModelsTable 2 - Capacity, Gas and Electrical Characteristics installation considerationRough In Dimensions Table 1 - Rough-In-DimensionsLocating The Water Heater Property Damage HazardInsulation Blankets Combustion Air and VentilationUnconfined Space Outdoor Air Through One Opening Confined SpaceFresh Air Openings For Confined Spaces Outdoor Air Through Two OpeningsAir From Other Indoor Spaces Outdoor Air Through Two Horizontal DuctsWater Piping installing the new water heaterPower Supply Chemical Vapor CorrosionTime to Produce 2nd & 3rd Mixing ValvesDishwashing Machines Space Heating and Potable Water SystemThermal Expansion Closed Water SystemsT & P Valve and Pipe Insulation if supplied T&P Valve Discharge Pipe Requirements Water Damage HazardExplosion Hazard Temperature-Pressure Relief ValveSEDIMENT TRAPS Gas PipingSupply Gas Regulator Condensate PipingFilling the Water Heater High Altitude InstallationsVENT PIPE TERMINATION VentingIf using 2” inch vent pipe If using 3” inch vent pipeVENT TERMINAL INSTALLATION, SIDEWALL INSTALLATION OF VENT SYSTEMApproved Carbon Monoxide Detectors Installation Requirements - Commonwealth of MassachusettsInstallation of Carbon Monoxide Detectors Commonwealth of MassachusettsPOWER VENT Termination Clearances Sidewall Power VentTermination Clearances Sidewall Direct Vent Figure 15B Installation SequenceSEQUENCE OF INSTALLATIONS, FIGURE 15A Vent Termination - Figure 15A DIRECT VENT terminal installationFlat Roof Installation VERTICAL VENT TERMINAL INSTALLATIONTable 6 - KIT COMPONENTS Concentric vent installationSAFETY CONSIDERATIONS INSTALLATION PROCEDURE 1 ROOF TERMINATION, see FigurePROCEDURE 2 SIDE WALL TERMINATION, see Figure CONCENTRIC TERMINATION FLAT ROOF CLEARANCEFigure 23A MULTI-CONCENTRIC VENT TERMINATIONS direct vent diagram 2. SELECTION OF MATERIALS Vent Pipe PreparationRECOMMENDED BRUSH* SIZE FOR PRIMER AND CEMENT APPLICATIONS 1. INITIAL PREPARATIONB. Deburring D. Inspection, cleaning, primingSTEP E F. Joint assembly STEP F G. Cleanup and joint movementBLOCKED INTAKE SWITCH Controls and SwitchesBLOWER PROVER SWITCH BLOCKED EXHAUST SWITCHELECTRICITY TO THIS HEATER BE CERTAIN THAT SUPPLY NEUTRAL Power Vent Wiring Schematic - FigureWIRE TO GROUND CHECK INDICATES ZERO VOLTAGE THIS WATER HEATER IS POLARITY SENSITVE BEFORE APPLYINGWARNING TURN OFF ALL ELECTRIC POWER BEFORE SERVICING FOR YOUR SAFETY READ BEFORE LIGHTINGOPERATING INSTRUCTIONS TO TURN OFF GAS TO APPLIANCE2nd & 3rd Degree temperature regulationHI LIMIT SWITCH ECO Time to Produce120F adjust user settingscontrol system operation Operating Set PointDescription IconStatus Icons Control System Menus StateMenu Operating StatesMain Menu User Settings & Control System MenusMENU HELPHeater Status 140FBacklight Delay Display SettingsHeater Information Temperature UnitsBlocked Exhaust Fault HistoryFault Occurrence Restore Factory DefaultsCurrent Contact Info Service Contact InformationShow Contact Information Change Contact NameSMOKE/ODOR for your informationStart Up Conditions Operational ConditionsTemperature-Pressure Relief Valve Operation periodic maintenanceVenting System Inspection Anode Rod InspectionKeep hands clear of drain valve discharge ServiceDraining and Flushing Burn harzard Hot water dischargeTemperature-Pressure Relief Valve Test maintenanceleakage checkpoints Venting troubleshootingInstallation Checklist Water Heater LocationYESNO Sequence Of Operation Flow ChartReplacement Parts Operational ProblemsFault and Alert Conditions Burn HazardResetting Control System Lock Outs Electrical Shock HazardDiagnostic Checks Blocked Exhaust AC ReversedIgnition Failure Low Igniter CurrentEnergy Cut Out ECO Blower Prover FailureBlower Prover Open Blocked Air IntakePage Page Page CONDITIONS AND EXCEPTIONS LIMITED RESIDENTIAL GAS WARRANTYSERVICE AND LABOR RESPONSIBILITY CLAIM PROCEDUREPO Box 1597, 500 Princeton Road Johnson City, TN American Water Heater Product Service and SupportCopyright 2011 American Water Heaters. All rights reserved