REFLECTOR: Low Fuel Warning Sensor False Reading: SOLVED?

[Ron N VelocityXLFG]

I had to put Duct tap over the sensor to keep the Sun light from hitting 
the sensor until I installed the back shelf and back panel.
Since that change never a false reading.

Ron
On 4/28/2014 1:23 PM, Brian Michalk wrote:
> Correct. The back seats are currently not installed.
>
> On 4/28/2014 11:42 AM, Dave Philipsen wrote:
>> Are you flying without the back seat?
>>
>> Dave Philipsen
>> Velocity STD FG
>> N83DP
>>
>> On 4/28/2014 9:55 AM, Brian Michalk wrote:
>>> An update to those of you using an optical fuel level sensor.
>>>
>>> I had installed the Carlo Gavazzi sensor from McMaster Carr ( 
>>> http://www.mcmaster.com/#liquid-level-sensors/=rqf988 ) because it's 
>>> a solid state optical sensor that should never wear out.
>>>
>>> I have had problems with it falsely indicating a low fuel situation 
>>> in the sump.  Finally yesterday while flying I deduced that whenever 
>>> I flew west towards the sun, the low fuel light would illuminate, 
>>> and when I flew east away from the sun, the light would extinguish.
>>>
>>> The manual does say the device doesn't work in sunlight, but I never 
>>> considered bright light to be the culprit.  I am going to fly with 
>>> the sump covered with material to confirm my suspicions. If 
>>> confirmed, I will be painting the sump tank so that sunlight will 
>>> not penetrate the sump.
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>
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