I require your help regarding a problem I’m encountering.
Description:
Robot litter 3 drawer full indicator on app, and blue light flashes on the unit.
I followed instructions to check the following
Waste bag does not block sensor
Waste drawer is empty
DFI sensor clean
Pinch sensor clean
DFi sensor reset (tried touching the globe bottom while holding the “reset” botton for three flashes) - but my unit does not have a laser DFi
Replaced motherboard to my old non-wifi board - blue light still flashing
Still no success.
My unit was assembled on July 2018 and was a NONWIFI, INFRARED DFI model.
I recently upgraded to the wifi board (LR3CI342950) and was working for a few weeks.
The blue light becomes solid if i remove the drawer.
I can also make it solid and work for one cycle when i reset the gauge on the app.
It suspect that the DFI sensor needs to be reset but i dont know how to do that on the INFRARED DFI.
If you have any other suggestions, please let me know.
I actually dont know that it is an INFRARED DFI. I just know that it is NOT the Laser DFI.
I also tried holding down the reset button, which makes it solid and works for ONE cycle, then it will go back to flashing again.
Hi @igor_X thanks for the suggestion!
Anyway for me to access the dfi sensor without taking the robot apart?
I will give this a shot and let you know!
If the ir beam/sensor is broken, is there any other way to fix this by disabling the dfi sensor with a resistor or something (giving up on the drawer gauge)
Hi @igor_X i used isopropanol and a qtip to clean the U1 connection as best as i can without disassembling the robot.
From a limited view, i did not see any corrosion or pin connection.
The drawer full indicator is still on with the blue light flashing…
Anything else i should try before getting a new dfi?
Its really frustrating bc i bought the Connect Upgrade for $100, and now i need to replace the dfi ($80)…
I just took a picture of the dfi sensor using my camera.
3 out of the 4 IR LEDs are working (attached photo).
Is there a way to fix the one that is not working?
I feel wasteful replacing the entire dfi sensor when i know everything is functioning except for that one LED (no visual corrosion or pin connection)
I can also buy a small IR LED and solder it into the board but i would need the cortect LED model.
Im a hacker and find these challenges fun. It would be great to find another solution rather than just buying a new $80 sensor and call it a day.
This is a common issue (one IR LED not working). But it is hard to tell which component exactly is dead and that it has to be replaced without electrical scheme of the board.
Maybe the ID LED is defective, maybe some other components in the same circuit.
You could for a start try and find similar IR LED to replace it and see if it will work again. Or try to swap positions between working LED and non-working LED.
