Troubleshooting (cont’d)

ELECTRICAL SYSTEM CHECK

(Use diagram on page 31)

WARNING

Label all wiring before disconnecting any wiring; to ensure correct reconnection. Failure to follow this instruction could cause improper and possible danger- ous operation, resulting in DEATH, SERIOUS BODILY INJURY, OR PROPERTY DAMAGE.

No

Correct by wiring according to diagram.

Go to “Thermostat and Gas Supply Check” section.

Supply 110/120 volts.

Turn “ON”.

Visually check that all compo- nents are wired correctly accord- ing to wiring diagram on unit.

No

No

No

Yes

Thermostat is calling for heat. (run cold water)

Yes

Does power cord or power wiring have 110/120 volts available (receptacle and/or junction box) with grounded connector?

Yes

Is on/off switch “ON”?

Yes

Is diagnostic indicator light “ON”?

No

Replace control.

No

Yes

 

 

Yes

 

 

 

 

 

 

 

 

 

 

Turn power “OFF” and back “ON”.

Is diagnostic indicator light blinking?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Does the hot surface

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ignitor glow after power

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

is turned “ON”?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

Check flame sensor.

 

 

 

 

Does burner light –

 

 

 

 

 

 

 

 

 

 

 

 

 

Make sure it is placed in

 

 

 

 

 

 

 

 

 

 

 

 

then go out?

 

 

 

 

 

 

flame.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace hot surface

 

 

 

 

 

 

 

Is blower running?

 

 

 

ignitor assembly.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is there a 115V

 

 

 

 

 

No

No

 

voltage between

 

 

 

I1 and I2?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

Replace hot surface ignitor assembly.

Yes

Replace control.

continued on next page

continued on next page

32

Page 31 Page 33
Page 32
Image 32
State Industries Commercial Gas Water Heater instruction manual Electrical System Check, Use diagram on
Page 31 Page 33

Commercial Gas Water Heater specifications

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In conclusion, the State Industries Commercial Gas Water Heater stands out as a top choice for businesses needing reliable and efficient hot water solutions. With its focus on efficiency, durability, safety, and versatility, this water heater is built to meet the rigorous demands of the commercial market while providing value and peace of mind to operators.
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