Error Code 2563 on a Danfoss VLT HVAC Drive, FC Series, or AutomationDrive is one of the more cryptic and potentially frustrating alarms for maintenance technicians and plant operators. Unlike a simple overcurrent or overvoltage fault, this error points to an internal communication or data integrity issue within the drive’s logic.
Outdated firmware versions (pre-2018 on some FC series) contained bugs in the EEPROM write-handling routine. Danfoss Vlt Error Code 2563
Consult the Manual: Identify your specific model (e.g., FC 102, FC 302) and search the Danfoss Service and Support portal for that model's specific fault log format. Danfoss VLT Error Code 2563: Causes, Troubleshooting, and
Check the Alarm Log: Go to Parameter 15-30 (Fault Log) to see the actual numerical alarm code (e.g., Alarm 13 or 30) that triggered the shutdown. Consult the Manual : Identify your specific model (e
Hold [Status], [Main Menu], and [OK] simultaneously while powering up.
Can you check the Local Control Panel (LCP) display on the drive and tell me if there is a 2-digit alarm number shown? Top ten VFD tech support calls - Danfoss
Understanding and resolving the Danfoss VLT Error Code 2563 is critical for maintaining the uptime of your industrial systems. This specific code typically indicates a "Measurement Error" or "Measurement Fault" within the drive's control card.