38.2820

Internal Fault: LCP stack overflow

Danfoss · VLT HVAC-FC 102 Frequency Converter

What does 38.2820 mean?

An internal memory stack overflow has occurred within the Local Control Panel (LCP) processor. This typically indicates a transient software issue or excessive processing demand within the LCP firmware, potentially leading to unresponsive controls or system crashes.

Complete Troubleshooting Guide

  1. 1

    Cycle power to the frequency converter to reset the LCP processor.

  2. 2

    If the issue persists, document any specific actions performed on the LCP prior to the fault and report to Danfoss service.

Source: Danfoss Manual