TROUBLESHOOTING

These guidelines should be utilized by a qualified service agent.

Problem

Possible Cause(s)

What to do

NOT ENOUGH HOT WATER

STANDBY button turned off.

Press switch to turn heater on.

 

No power at outlet.

Repair service to outlet.

 

Error Code being displayed

Refer to “FAULT INDICATION AND

 

 

ERROR CODES” section and Table

 

 

5 or call service agency or dealer.

 

Set point set too low.

Adjust Set point higher.

 

Heater undersized.

Reduce hot water use.

 

Low gas pressure

Contact dealer.

 

Incoming water is usually cold.

Allow more time for heater to reheat.

 

Leaking hot water pipes of fixtures.

Have plumber check and repair

 

 

leaks.

CONDENSATION

Water on the floor under heater.

See CONDENSATE section.

WATER LEAKS

Improperly sealed, hot or cold supply

Check for leaks. See Figure 40.

 

connections, relief valve, drain valve

 

 

or thermostat threads.

 

 

Leakage from other appliances or

Inspect other appliances near water

 

water lines.

heater.

 

Condensation of flue products.

Refer to CONDENSATE section.

LEAKING T&P

Thermal expansion in closed water

Install thermal expansion tank (Do

 

system.

not plug T&P valve).

 

Improperly sealed valve.

Check relief valve for proper

 

 

operation (Do not plug T&P valve).

HOT WATER ODORS (refer to

High sulfate or mineral content in

Drain and flush heater thoroughly

cathodic protection)

water supply.

then refill.

 

Bacteria in water supply.

Chlorinate water supply.

HOT WATER TOO HOT

Thermostat set too high.

Refer to TEMPERATURE

 

 

REGULATION section.

WATER HEATER SOUNDS

Condensation dripping on burner.

Refer to CONDENSATE above.

SIZZLING - RUMBLING NOISE

Sediment at bottom of heater tank.

Clean sediment from tank. Refer to

 

 

DRAINING.

SOOTING

Improper combustion.

Refer to Air Requirements.

BURNER WILL NOT STAY LIT-

High ambient room temperature.

Contact a qualified service agency to

GOES OUT 4-5 SECONDS

 

determine cause.

 

Defective Control board.

Replace Control board.

 

Damaged Flame Sensor

Replace Flame Sensor

 

(Error code E35)

 

VENT GAS ODORS

Lack of air supply.

Shut off water heater immediately

 

Improperly installed vent piping.

and contact a qualified service

 

 

agency to determine cause.

 

Downdraft

 

 

 

Poor Combustion

 

THERE IS NO WATER AT ALL

The unit display is flashing an error

Check if there is any error code

WHEN THE HOT WATER TAP IS

code.

flashing on the remote controller.

OPENED.

 

 

 

TABLE 6

 

www.statewaterheaters.com

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State Industries GPH-90N, 0710 316888-002 warranty Troubleshooting
Page 50 Page 52

0710 316888-002, GPH-90N specifications

The State Industries GPH-90N,0710 316888-002 is a high-quality water heater designed to meet the demands of both residential and commercial applications. Renowned for its durability and efficiency, this model serves as an essential component for facilities requiring reliable hot water supply.

One of the standout features of the GPH-90N is its impressive heating capacity, which allows it to deliver hot water quickly and effectively. This model boasts a heating input of 90,000 BTU per hour, making it suitable for large households or commercial establishments. The unit is designed to maintain consistent water temperatures, ensuring that users have access to hot water whenever needed.

The GPH-90N is also equipped with advanced technologies that enhance its operational efficiency. It features a modulating gas burner that adjusts its output to match the flow rate of hot water demanded, thereby optimizing energy use and minimizing operating costs. This technology not only improves performance but also extends the lifespan of the water heater.

Durability is a key characteristic of the State Industries GPH-90N. The unit is crafted from high-quality materials, including a robust stainless steel tank that resists corrosion and ensures long-lasting performance. This corrosion-resistant design is particularly beneficial in areas with hard water, where mineral deposits can be a significant concern. Additionally, the tank is insulated with high-density foam, which helps to maintain heat and reduce standby heat loss.

A crucial aspect of the GPH-90N is its user-friendly features. The control panel is straightforward, allowing users to adjust settings with ease. The water heater is also designed for simple maintenance, ensuring that annual servicing can be carried out with minimal disruption.

Safety is paramount in the design of the GPH-90N. It includes multiple safety features, such as a pressure relief valve and a safety shut-off mechanism, which provide peace of mind for users. This ensures that the unit operates safely under varying conditions.

In conclusion, the State Industries GPH-90N,0710 316888-002 is a powerful and efficient water heater that combines advanced technology with durable construction. Its high heating capacity and user-friendly design make it a reliable choice for both residential and commercial applications, ensuring that hot water is always available when needed.
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