A.O. Smith GPSH, GPCR Trouble Shooting, Water Heater Control LED Status Problem Solution

Page 17

WARNING: DO NOT BY-PASSANY CONTROLS TO MAKE HEATER OPERATE.

OPERATE ONLYAS WIRED FROM FACTORY.

TROUBLE SHOOTING

Please check guidelines below. For your safety, water heater service should be performed only by a qualified service technician.

Read the GENERAL SAFETY INFORMATION section first.

WATER HEATER CONTROL

LED STATUS

PROBLEM

 

SOLUTION

 

An open earth ground circuit to the

1. Check that the earth ground connection is

A B C

ignition system.

 

properly connected.

 

 

2.

Check that the ground conductor on the

 

 

 

water heater is properly connected.

A B C

Wiring error or a high resistance to

1.

Check for proper connection of line

earth ground.

 

neutral and hot wires.

 

 

 

 

2.

Check that the water heater is securely

 

 

 

connected to earth ground.

A B C

Pressure switch remained closed longer

1.

Pressure switch wiring is incorrect.

than 5 seconds after the call for

2.

Replace pressure switch.

 

 

heat began.

 

 

A B C

Pressure switch remained open longer

1.

Pressure switch wiring is incorrect.

than 5 seconds after the combustion

2.

Pressure switch tubing not connected

 

 

blower was energized.

 

correctly.

 

 

3.

Air intake or exhaust obstructed.

A B C

Error in the hot surface ignitor circuit.

1.

Check that all wiring is correct and secure.

 

 

2.

Replace hot surface ignitor.

 

System in lockout.

1.

Gas supply is off or too low to operate.

A B C

 

2.

Hot surface ignitor not positioned

 

 

correctly.

 

 

 

 

 

3.

Low voltage to the water heater.

 

 

4.

Electric polarity to unit is incorrect - test

 

 

 

and correct.

A B C

Problem in the gas valve driver circuit.

1.

Turn power to the water heater off for

 

 

 

10 seconds and the back on.

 

 

2.

Replace gas control valve.

A B C

Problem with the internal circuit.

1.

Turn power to the water heater off for

 

 

10 seconds and then back on.

 

 

 

 

 

2.

Replace gas control valve.

A B C

Problem with the internal circuit.

1.

Turn power to the water heater off for

 

 

 

10 seconds and then back on.

 

 

2.

Replace gas control valve.

A B C

Flame signal sensed out of

1.

Replace gas control valve.

 

proper sequence.

 

 

A B C

ECO activated.

1.

Replace gas control valve.

 

A B C

One of the temperature adjust

1.

Press and release each of the buttons

 

buttons stuck closed.

 

once.

 

 

2.

Replace gas control valve.

A B C

Water temperature sensor is

1.

Check that all wiring is correct and secure.

 

either open or short circuited.

2.

Replace gas control valve.

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Contents GPSH/GPCR Residential GAS Water HeatersWith HOT Surface Ignition Or 3 PVC Vent Capability Replacement Parts and Deliming ProductsChemical Vapor Corrosion External DamageImproper Combustion Liquid Petroleum ModelsInstallation Water Potable Heating and Space Water ConnectionsClosed Water System GAS ConnectionsRelief Valve P-FIG Vent Terminal InstallationVenting Vent Pipe TerminationVent Hoods MAY be Extremely HOT During Operation Sequence of InstallationPage Maximum Pipe Installation of Vent SystemVent Pipe Preparation Vertical Vent Through RoofVertical Vent Termination Restrictions Recommended BRUSH* Size for Primer Filling Cleanup and joint movementOperation Do not TRY to Light the Burner by Hand What to do if YOU Smell GASTemperature Setting C Burns on Adult Skin Temperature RegulationHigh Temperature Limit Switch MaintenanceWater Heating Ignition Sequence Main Burner -FIGVenting System Blower Assembly MaintenanceValve Draining T-FIGWater Heater Control LED Status Problem Solution Trouble ShootingVent Pipe TOO HOT HOT WaterYellow Flame ProtectionLimited Residential GAS Warranty Replacement Parts

GPCR, GPSH specifications

A.O. Smith has long been a leader in the water heating industry, known for its innovation and commitment to quality. Among its standout products are the GPSH and GPCR series, which exemplify advanced technology and efficiency in water heating solutions.

The GPSH, or Gas Powered Storage Heater, is engineered to optimize energy usage while providing a continuous supply of hot water. This model features advanced thermostatic control, ensuring precise temperature management to meet user needs. Additionally, the GPSH boasts an impressive insulation system, reducing heat loss and resulting in improved energy efficiency. The inclusion of a high-efficiency gas burner allows for faster recovery times, meaning users can enjoy hot water on demand without extended wait times.

On the other hand, the GPCR, or Gas Powered Condensing Revolving Unit, is designed for commercial applications where high demand and energy efficiency are paramount. One of its main features is the condensing technology that recycles flue gases to enhance energy recovery. This leads to significant savings on energy bills and reduced environmental impact. The GPCR's advanced monitoring system provides real-time data on performance and efficiency, allowing for proactive maintenance and management.

Both models come equipped with A.O. Smith's proprietary safety features, including flame rollout switches and temperature and pressure relief valves, ensuring peace of mind for users. Their durable construction employs high-quality materials designed to withstand extreme operating conditions, further promoting longevity.

Installation and maintenance of both the GPSH and GPCR are straightforward, with user-friendly designs that simplify routine checks and servicing tasks. The compact nature of these units means they can fit into a variety of spaces, making them versatile options for both residential and commercial settings.

In summary, A.O. Smith's GPSH and GPCR series represent the pinnacle of water heating technology, combining efficiency, safety, and durability. With a focus on meeting the evolving demands of customers, these products are a reliable choice for anyone seeking effective solutions for their hot water needs. As the industry evolves, A.O. Smith continues to lead the way with its innovative designs and commitment to quality, ensuring users have access to the best water heating solutions available on the market.
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