Danfoss FC51: LCP data invalid

Danfoss PLC & VFD Major Ground Fault

Model: FC-302 | Code: 87

Applicable Systems
FC-30 FC-51 FC-101 FC-202 FC-302

Symptoms

  • LCP (Local Control Panel) data invalid - parameter data in the LCP does not match the drive memory.

Possible Causes

  • LCP memory copy error
  • Data transfer interrupted

Troubleshooting Steps

  1. Step 1: Copy parameter data from LCP to drive again; if fault persists, replace the LCP.
    Fault cleared

How to Reset

Reset via control panel after fixing ground fault.

Related Danfoss Fault Codes

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Source: Danfoss VLT Micro Drive FC51 Operating Guide (Table Alarm and fault codes), via sinodrive mirror

Category: PLC & VFD