I'm not 100%, but I think the warning light might be for the temp sensor
on the FET board internal to the inverter. I've had to replace those a
few times. I think I even have a replacement sensor on the shelf, if
you need.
Ray Walters
Remote Solar
On 1/8/2026 3:00 PM, Drake Chamberlin via RE-wrenches wrote:
A couple of years back, a client changed from lead acid batteries to
LiFeBlue, lithium batteries. At that time the temperature sensor was
removed.
The other day, a warning light started blinking. The warning turned
out to be a bad temperature sensor. It is strange that this message
showed up now, as the sensor has been gone for years.
Is there any way to turn off the warning light?
Thank you,
Drake
/Drake Chamberlin/
/Athens Electric LLC/
/Ohio Electrical Contractor’s License 44810/
/NABCEP Certified PV Installation Professional/
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