State Industries GPH-90N warranty Fault Lockout Code Description Cause Remedy Type Displayed

Models: 0710 316888-002 GPH-90N

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Fault

 

 

Lockout

 

Code

Description

Cause

Remedy

type

Displayed

 

 

 

 

 

 

 

E15

 

Blower speed is 200RPM

 

 

 

 

below the target speed for

 

 

 

 

20 seconds.

 

 

E16

 

Blower speed is 500RPM

 

 

 

 

above the target speed for 6

 

 

 

 

seconds.

Soft

1. Check the blower wire harness.

E17

Blower speed

Machine starts or normal

 

2. Change the blower.

 

abnormal.

combustion, but Blower

 

 

 

3. Change the board.

 

 

speed = 0 for last 3sec.

 

 

 

 

 

E18

 

Have Blower’s output signal

 

 

 

 

but the Blower speed = 0 for

 

 

 

 

last 400ms.

 

 

E19

 

Blower speed stuck > 3000

Soft

 

 

 

rpm

 

 

 

 

 

E20

Proportional

Proportional valve Current <

 

1. Check the proportional gas valve

 

Minimum.

 

wire harness.

 

valve (PV) current

Soft

E21

Proportional valve Current >

2. Change the board.

 

unusual.

Maximum.

 

3. Change the gas valve assembly.

 

 

 

E22

Outlet

Outlet Temperature

 

 

 

Temperature

is < minimum defined

 

 

 

Probe is Open

temperature.

 

 

 

circuit.

 

 

 

E23

Outlet

Outlet Temperature

 

 

 

Temperature

is > maximum defined

 

 

 

Probe is Short

temperature.

 

 

 

circuit.

 

 

 

E24

Inlet Temperature

Inlet Temperature is

 

1. Check temperature probes wire

 

Probe is Open

< minimum defined

Soft

harness.

 

circuit.

temperature.

2. Replace themperature probe.

 

 

E25

Inlet Temperature

Inlet Temperature

 

3. Change the board.

 

Probe is Short

is > maximum defined

 

 

 

circuit.

temperature.

 

 

E26

Tank Temperature

Tank Temperature

 

 

 

Probe is Open

is < minimum defined

 

 

 

circuit.

temperature.

 

 

E27

Tank Temperature

Tank Temperature

 

 

 

Probe is Short

is > maximum defined

 

 

 

circuit.

temperature.

 

 

E28

Ignition failure.

After a failure to detect

 

1. Check the igniter wire harness.

 

 

the flame during ignition,

 

2. Check igniter 120Vac voltage

 

 

the control will retry the

 

supply during the ignition time.

 

 

specified number of times.

 

3. Check the ignition rod. If it looks

 

 

After the maximum failed

Soft

dirty clean it using isopropyl alcohol

 

 

attempts, this fault is

 

and a clean cloth.

 

 

declared.

 

4. Check the high voltage wiring

 

 

 

 

connection between igniter and

 

 

 

 

igniter rod for proper contact.

E29

Outlet water

Outlet water temperature <=

 

1. Check the outlet temperature probe.

 

temperature too

(setting temperature – 15°C)

Alert

2. Change the board.

 

low.

for 60 seconds after flame

 

 

 

 

 

 

detected.

 

 

 

 

TABLE 5

 

 

www.statewaterheaters.com

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State Industries GPH-90N, 0710 316888-002 warranty Fault Lockout Code Description Cause Remedy Type Displayed

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.