text: <s>[INST] Communication Error When disconnect off in Armor start 284GS Hi, I installed armor start 284GS with L84ES PLC. I found today some drives shows communication error. checked 16 [/INST] If you turn the Local Disconnect switch to OFF position, the main line supply power is removed from the internal VFD, so that the communication fault you're encountering is an expected behavior. Please don't forget to LIKE and highlight the decisive answer: REPLY > Make Best Answer \\n </s>