EV Tap is on, but there is no power to the charger
Check that DIP switches are correctly programmed
When the system is not monitoring 2 - panels, only MAIN / Primary will be used for metering
If used, set SUB switch back to Default settings and reset the device by cycling the circuit breaker
Ensure Current Transformers (CTs) are clasped shut
Confirm CT wiring is landed in the Primary Terminals and that the DIP switch MAIN is programmed
The EV Tap may have detected amperage at or above 80% of the panel's current rating
Power cycle using the breaker to reset the device to normal operation