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Unit will not light. want electric print of the control circuit.

Modine gas unit heater. It every year somthing is up with this hung unit. It starts it cycle but the unit will not light. What I want is a print showing the control circuit so I can check it out.

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Do u require a manual? plse also provide the model number of ur device

Posted on Oct 23, 2008

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Posted on Jan 02, 2017

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1 Answer

Water wont heat up


You didn't indicate model, etc., but consider the following:

If an electric unit:
1-Check the circuit breakers,
2-Some units have a reset on the unit, check that,
3-If this is an older unit, the heating element may be gone and need to be replaced.

If a gas unit:
1-Ensure the gas is turned,
2-Ensure that pilot light is on, if not, relight UNLESS...,
3-If automatic lighting, does unit spark when attempting to come on.

If this unit is over 10 years old, I would recommend completely replacing it rather than repairing it if the above doesn't work. New units are much more efficient and the savings could outweigh the cost in the long run.

Mar 23, 2014 | American Standard Water Heaters

1 Answer

Wont turn on


Posted under Rheem tankless:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Call service technician, catch unit up on required yearly maintenance, tear out unit and install tank-type gas or electric heater.

Mar 23, 2013 | Rheem Tankless Water Heater Main Remote...

1 Answer

How to start water heater


For tank-type gas water heater, lighting instructions are usually shown on label on front of unit.

Look at label on side of unit for Brand, model and type.
If you have tank or tankless.
If this is new installation or old installation that stopped working.
About how old unit is.
If this is gas or electric.
Then add a comment for possible help.

http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Oct 10, 2012 | Water Heaters

1 Answer

Ge Smart Shield Water Heater will not light


I think this unit is A/C powered. Check for tripped circuit breaker. Make sure power cord is plugged in.

Jun 04, 2012 | General Electric GE SmartWater Household...

1 Answer

I would like to know the electrical requirements.( voltage and amperage) Does it plug in or is it hard wired? If the power goes out is the hot water also out? thankyou


Are you asking about tankless gas or tankless electric?

You posted under Tankless gas water heater: gas type tankless plugs into standard 120Volt household outlet to power circuit board. You need larger gas line than used for tank-type gas water heater.

If you are asking about volt and amp draw of Tankless electric, then that depends on specific model number.
For example, if each tankless element draws 3500Watts, and unit has 3 elements, you will need 3 additional 20 amp 240Volt circuit breakers. Volts x amps = watts. 3500 watts divided by 240Volts = 14.58 amps. At full blast, this unit would draw 43.75 amps and will cost more to operate yearly than tank-type electric water heater. If unit has 4500 watts elements, then it will draw 56 amps at full blast, and use a good percentage of household power.

Tankless water heaters have no hot water in power outage. This is true for gas and electric models.

Additional resources:
http://waterheatertimer.org/images/Compare-water-heater-parts-650.jpg
http://waterheatertimer.org/pro-n-con.html
http://waterheatertimer.org/pdf/Bradford-White-on-demand-tankless-service-manual.pdf

Aug 04, 2011 | Bosch 1600H-NG Natural Gas AquaStar...

1 Answer

Our Rheem gas water heater was acting finicky a few months ago so we called the manufacturer and they sent us a new/replacement kit for the Invensys WIPER Electronic Control & FV Sensor. We replaced...


You're probably in for a service call and/or possibly water heater replacement if unit is more that 5-6 years old.
Your water heater plugs into outlet. Check outlet with cheap circuit analyzer to make sure the unit is receiving correct polarity without line interference.
If unit is in the attic, then add more venting to soffit and roof so pilot is not being snuffed out by hot air. If unit is in basement, then open some doors and a window and see if unit needs more air.
Most gas water heaters require yearly cleaning and service.
Clean the combustion parts and tubes.
Clean the air intake.
Have gas company check gas pressure.
Open following link for possible illustrations:
http://waterheatertimer.org/How-to-install-gas-water-heater.html#troubleshoot

The problem can be bad gas control valve, air in gas line, low gas pressure, gas shut off handle not fully parallel with gas line, dirty combustion parts, lack of combustion air, improper venting. Or combination of all things. It's an electronic gizmo, anything can be bad or shorted, and repair may not last long.

Without a trained service technician to ohm-test the parts using correct service manual, then we are guessing at the cause.

Power vent water heater implies that you have side wall venting which must be replaced with another side-wall vented unit -or- it implies rapid reheating of water.

If water heater is more than 6 years old, you might be money ahead by installing a new one from local box store. Avoid the power vent and electronics. Local box store will have passive roof-venting type water heater BUT box store does not sell side-wall power vent. If your power vent goes up through the roof, then box-store variety gas water heater will work. Total cost $350 do-it-yourself for 40 gallon gas.
Or get 40 gallon 240Volt electric for $220 and connect to circuit breaker box. Requires no venting, and is easy to repair for years to come.
Or small 120Volt electric that plugs into outlet to tide you over until gas repairs can be made.
Look for scratch-n-dent models and always offer 10% off.
http://waterheatertimer.org/How-to-install-gas-water-heater.html
Shower uses 5-9 gallons hot water.

Aug 01, 2011 | Rheem Water Heaters

1 Answer

I can light the pilot and the burner will come on, but it won't stay lit. I bought a new pilot assembly and installed it. the burner and the pilot light still won't stay lit. This is the unit that...


Most gas water heater problems can be solved by having service technician perform yearly maintenance. Or by doing maintenance yourself.
This maintenance includes cleaning burner parts and combustion chamber, checking gas pressure and supply, bleeding air out of gas line, checking vent draft, making sure air supply is adequate and not exposed to chemicals, cleaning air intake. Also adjusting flame sensor so it is positioned correctly. If water heater is connected to electric circuit, the outlet must have correct polarity.

You can get gas to appliance indicates the gas control valve and water heater are not locked out. But the gas control valve thermostat can still be bad.

Open following link for illustrations, typical service manuals, and maintenance information, and images of gas control valve thermostats.
http://waterheatertimer.org/How-to-install-gas-water-heater.html#troubleshoot

Jul 20, 2011 | Reliance & Pilot Assembly for Natural Gas...

1 Answer

I have a model 6G40PVW-40F water heater and we have no hot water... the thermostat light on warm/vacation is on and so are 2 other lights...If I diconnect it and re-connect it then it will start..the gas...


Most gas water heater problems today can be solved with yearly maintenance that includes cleaning burner parts, clean air intake, check venting, check electrical connections, bleed gas line, and check gas pressure.
Gas water heater manuals recommend yearly maintenance by service technician.

In past years, gas water heaters required less maintenance, but they were less energy efficient and more dangerous to operate.

Sounds like you have Intellivent gas control valve thermostat.
Open following link to identify gas valve and see error codes:
http://waterheatertimer.org/pdf/Intelli-vent-gas-valve2.pdf
http://waterheatertimer.org/How-to-adjust-temperature-on-water-heater.html#intelli

Error light on vacation + 2 other lights = 3 possible conditions:
1) Wiring error: check outlet with circuit analyzer:
http://waterheatertimer.org/images/Typical-circuit-analyzer-15.jpg
2) Pressure switch tubing not connected, air intake obstructed (clean intake), or vent exhaust obstructed (check for proper venting).
http://waterheatertimer.org/images/Test-water-heater-vent-400.jpg
3) System in lockout: Low gas pressure, hot surface igniter not positioned correctly.

You can do some of this yourself.
http://waterheatertimer.org/How-to-install-gas-water-heater.html#clean

Jun 30, 2011 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

THE Indoor tankless heater will turn on(with hot water on), light the priority light for 5 seconds, then the light will go off and the control reads a C2 11 error code. can you email me the 11 page...


Before calling service technician, best way to approach this problem is to contact Rheem with your specific model and serial number.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Error codes are starting place for troubleshooting.
C2 11 is gas and ignition related.
The same symptoms on your tankless unit can have different cause and solution than another tankless unit.

The burner might need to be cleaned.
Undersized gas meter, or low gas pressure should be checked.
Air in gas line.
Short circuit in gas solenoid.
Bad igniter.
Igniter wiring harness.
Tankless is not grounded.
Vent exceeds allowable height or length limit

All gas water heaters require periodic maintenance.
The manual is a good place to start for advisories and troubleshooting and required maintenance.
Tankless water filter should be cleaned monthly, and heat exchanger de-limed yearly.

Upvote the help.
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

May 19, 2011 | Rheem Paloma PTG-74PVN / RTG-74PVN...

3 Answers

Error code 76 C4 heater shuts off every 5 mins while in shower


Remove power source from the unit. If remote control2.gif is installed; remove cover and lift the control wires on the terminal...can be accomplished from either end.

Restore power and see if unit functions normally.

Contact Paloma/Rheem customer (800-432-8373) support and notify them IF you are getting a code "76" error. Rheem has recently extended the warranty on the "Burner Control Assm."; which is your problem. The C4-C8 portion of the error code, is where the unit stops the ignition process...burner fails to light, or gives you intermittent hot water. In either case, contact customer support2.gif.

If this helps, please indicate so.
Mike//
jzklipper@aol.com

Oct 01, 2009 | Rheem RTG-53PVN Indoor Natural Gas...

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