Delta A42 CT Current Sensor Fail on RPI Home Solar Inverter By Simon Rogers|2024-08-21T15:14:43+10:00August 6th, 2018|All posts, Solar Inverter Fault & Error Messages, Solar power, Solar Power Inverters, Videos| The Delta A42 CT current sensor fail message showing on the screen of your Delta RPI Home Inverter indicates that your inverter has an internal fault Read More