Gen 3 wall connector install issue

[greentrbo95gst]

I had a BMW wall charger before. Last week I had a gen 3 charger installed.
It charges fine for a bit and then the unit starts blinking red light three times and the charging drops to 20amps. When I press the button on the charging handle it resets itself and goes back to 40 amps. I use a 50 amp fuse on the circuit breaker. Any ideas? TIA

 

[ucmndd]

If you were to read the manual you’d discover that 3 red blinks is an overheating condition.

Check for heat at the handle or the glass plate on the wall unit. Verify you have properly terminated and torqued the conductors, that they are the appropriate size for the amperage setting, etc.

 

[h2ofun]

If you were to read the manual you’d discover that 3 red blinks is an overheating condition.

Check for heat at the handle or the glass plate on the wall unit. Verify you have properly terminated and torqued the conductors, that they are the appropriate size for the amperage setting, etc.

Folks need to use yep the correct size and type wiring

 

[greentrbo95gst]

I am using 6 awg wire and a 50 amp breaker. When I checked for heat on both the handle and the base it was slightly warm, but not hot.

 

[BGbreeder]

6ga copper wire? Aluminum wire? Though I doubt most people have an inch ounce range torque wrench or nut driver, loose (or incorrectly torqued) screws have been known to causes overheating issues/ fires.
https://www.tesla.com/sites/default...ng/Gen3_WallConnector_Installation_Manual.pdf says 5.6Nm of torque.

Is there any chance that something has gotten into the charger itself (e.g. insects, mice,...) that might be causing a cooling issue?

There is also the possibility that the charger is defective.

All the best,

BG