Rehlko

ATS COMMUNICATION ERROR

UnclassifiedStarting

What This Code Means

RDC2 controller failure during installation and startup

Possible Causes

  • •Connecting the RBUS communication wires while the RDC2 controller is energized
  • •DC voltage (13 VDC) from the RBUS PWR wire accidentally shorted to RBUS terminals A or B during installation of RBUS communication wires

Suggested Actions

  1. 1Disconnect the RDC2 controller from the battery / de-energize power before connecting RBUS wires from the generator to the RXT switch or accessories (PIM or APM)
  2. 2Confirm communication is occurring between the RDC2 controller and the RXT board
  3. 3Troubleshoot any ATS communication errors that arise

Related Rehlko Fault Codes

EMERG STOP SHUTDWNLOW BATTERY VOLTAGEACCESSORY POWER FAULT516587 4516587 3516586 4516586 3516585 4516585 3516584 4516584 3516583 4
Browse all Rehlko fault codes

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for ATS COMMUNICATION ERROR on your specific Rehlko unit — cited to the OEM manual, not a forum guess.

GET THE ANSWER

Free account required — we'll bring your question with you.