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If low on gas, what error code can show up? - Pool & Spa

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IF error code when trying to start

Error IF is ignition failure.
Last page shows troubleshoot walk through ranging from low gas pressure to bad gas control valve to failed wiring etc

If you need further help, I’m available over the phone at

Oct 28, 2012 | Hayward H-series Electronic Gas Pool...

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My hayward pool heater gives me a code sb what part is this

Possibly failed keypad, or stuck key on keypad.
This product should be under full warranty, and installer should be called.
Hayward 350 product manual: Error codes start page 38 do not show Sb
However Sb error code shows on following manual as 'Keypad failure' or 'stuck key'... one of the keys is stuck longer than 30 seconds, but control will still function, replace keypad.

If you need further help, I’m available over the phone at

Sep 20, 2012 | Hayward H350FDP Low NOx Propane Gas Pool...

1 Answer

My water heater shows error code c-4 it starts for 3-4 min then stops. what does this code mean?

Before calling service technician, open following link for Rheem error codes, chat, and possible solution:

Error codes are start-point for troubleshooting.
C4 11 can mean no ignition:
Simple solution for this problem can be to clean burner and combustion parts including sanding any carbon deposits off of iginiter.
Other simple things can be loose wiring on gas solenoid, or improper grounding, or low gas flow or gas pressure.
Other causes can be bad gas solenoid, bad igniter, misaligned ignition parts and sensor, bad igniter wiring.

As you know from reading your product manual, tankless require yearly service. This service can prevent many common error codes before they happen.
Typical do-it-yourself maintenance can be accomplished using following pdf

Sep 16, 2011 | Rheem Paloma PTG-74PVN / RTG-74PVN...

2 Answers

Error code 12

Three main causes.

Short circuit on the low voltage side of the wiring (12V) This will show as an immeadiate error code 12 befoe the thing even tries to light.

Faulty earth on the low voltage side shows same as above.

A faulty gas regulator or partial blockage of gas supply that allows the unit to fire, but will not maintain sufficient gas supply to keep it alight. This will happen after it has lit, maybe erratically with the occasional error code 11 if you try and re-light immeadiately.

May 13, 2010 | Rinnai RHFE-1004FA 38,400 BTU Energy Saver...

1 Answer

My Cavalier shows error code P0405, what could the problem be

P0405 - Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage

You may have to replace the EGR sensor, but remove it and clean it up good to try it again first. Sometimes the pipe feeding exhaust gas up to them gets plugged.

Mar 17, 2010 | 1998 Chevrolet Cavalier

2 Answers

Why HP or LP error showing frequently in running period of PAC units?

could possibly be an air filter issue. check your owners manual under trouble shooting for what these codes mean. HP and LP error codes usually mean hig and low pressure.

Feb 03, 2009 | DeLonghi Pinguino PAC-02 Air Conditioner

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