Danfoss FC-302 Error Code 69

Danfoss PLC & VFD Major Overtemperature

Model: FC-302 | Code: 69

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

Symptoms

Power card temperature exceeds rated limit.

Possible Causes

  • Power card overheating
  • Cooling system inadequate
  • Excessive load

Troubleshooting Steps

  1. Step 1: Check power card cooling
    Cooling adequate
  2. Step 2: Reduce load if necessary
    Temperature within rated range
  3. Step 3: Verify thermal management
    Thermal paste and airflow correct

How to Reset

Reset via control panel after temperature normalizes.

Related Danfoss Fault Codes

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Source: Danfoss VLT FC-302 Operating Guide, Danfoss A/S

Category: PLC & VFD