A0164 fault in WEG CFW701 Drive

A0164 alarm in WEG CFW701 Drive indicates AI2 Broken Cable. This means the 4-20mA signal on Analog Input 2 has dropped below the minimum threshold, indicating a broken wire.

Cause:

  • Broken AI2 current loop cable.
  • Bad contact at the signal connection to the terminal strip.

Remedy:

Inspect analogue input 2 loop cabling for breaks. Tighten screw terminal contacts.