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
- Step 1: Check power card cooling
Cooling adequate - Step 2: Reduce load if necessary
Temperature within rated range - Step 3: Verify thermal management
Thermal paste and airflow correct
How to Reset
Reset via control panel after temperature normalizes.
Source: Danfoss VLT FC-302 Operating Guide, Danfoss A/S
Category: PLC & VFD