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LO is blinking what does that mean - Heating & Cooling

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Sounds like low batteries replace batteries and press a tiny reset button on stat with a pen.If this help please rate me and do a testimonial.

Posted on May 20, 2011


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LO on Display

"LO" means lock out. This means that the heater has failed to fire, and will not attempt to do so again until it is turned off and back on.

Either the heater is getting no gas, the gas valve is not opening for any of several reasons, the signal to spark is not being sent to the ignitor, the ignitor has failed, or the heater is failing to detect that the burner has been lit. Best to get a tech on it.

Jan 26, 2014 | Sta Rite Sr400na Max E Therm Pool & Spa...

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My 2002 gmc yukon slt wont switch out of auto fwd? It was working fine in 2 hi then i switched it to 4 lo the light on the 4 lo started blinking while it was still blinking i accidentally hit the auto...

You need to replace the lockup servo mounted in the front differential housing. the light will blink to indicate that the lockup servo is not engaging/disengaging. you can get the servo at a local parts place. It is very easy to replace and is easily accessible.

Mar 23, 2011 | 2003 GMC Yukon

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Our Rinnai Energysaver 556 is set to the highest temperature, and while it's working the LO light and the Filter light are consistently blinking. Then it will shut off after 1/2 hour or so, and the 68...

The LO/Filter light blinking is an indication of Flame Failure . It means the unit had a flame and then lost the flame signal to the PCB . Have the incoming gas supply checked for proper operating range . Also have the flame rod /burner areas checked for debris/sooting/dirty flame rod/ etc...Spiders have a way of getting inside the burner areas and misdirecting the gas flow in the burners . This is common on units that have been sitting dormant for long periods .
The 68/Filter/On lights blinking are an indication of an "overheating " situation . Inspect the overall unit inside the cabinet for any dirty issues(pet hair/dust/dirt/gasket integrity/etc...) .
These procedures should be done by a qualified service technician due to liabilities involving gas fired products !

Jan 24, 2011 | Heating & Cooling

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Blinking message LO 6AEE what does it mean?

It means you need to cange the batterys.

Jan 20, 2011 | Honeywell TH4210D1005 Heater

1 Answer

My 2004 Chevrolet 4wd Blazer is having troubles going into/staying in 4hi. I put it in neutral, foot on the brake and mash the button. The 4 Hi and 4 Lo buttons blink and you can here some sort of...

The blinking is a trouble code, a qualified Tech with a good scanner should be able to pinpoint the problem. There are many components in this system, trying to replace them on guesses can get very expensive fast.

Jan 11, 2011 | 2004 Chevrolet Blazer

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Shifts into 4 lo without warning

Sounds like you have a faulty transfer case control module which is located on the passenger side under the dash area right at the kick panel,there isnt any real test for this TCCM except replace with known good one.

Oct 31, 2009 | 1999 Chevrolet Blazer

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I was driving down the road and my 4WD HI light started blinking today on my 1997 Chevy 1500. If I put it in 4 LO the 4 HI light quits blinking and the 4 LO light comes on Press the 2WD button and the 4HI...

check switch connections,fluid level and actuator at transfer case if good have truck scanned for possible trouble code possibleas sensor or component going bad , some auto stores such as auto zone /advanced auto do it for free if theres a trouble code it will be a starting point

Oct 29, 2009 | 1999 Chevrolet Silverado 1500

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6AE Lo

6AE Lo is probably 'bAt Lo'. Batteries are low and need to be replaced.  It looks like 6AE Lo because of the digital readout (b looks like 6).

Model number shouldn't change what the readout means.

Oct 14, 2009 | Honeywell CT3600 7 Day Electronic...

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4wd hi and lo buttons blink

This sounds like the electronic shift controller for the dif. I would get that looked at. Not sure the cost but i am sure they are not that cheap. If the lights are blinking and its not engaging that would be the first place i look.

Jun 20, 2009 | 1996 Chevrolet K1500

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