Relay

What does 64 mean?

An error has been detected in the ROB1 relay, its test circuit, or the main contactor within the R&M Materials Handling Frequency Converter. This indicates a problem with the control or power switching components, preventing the drive from safely controlling motor power.

• Error detected in the ROB1 relay
• Error detected in the ROB1 test circuit
• Error detected in the main contactor

Click steps to track your progress.

1. 1

   Check the main contactor circuit wiring connections

2. 2

   If the problem recurs, replace the inverter