Applicable Systems
Vacon 100
Symptoms
Brake resistor overtemperature: brake resistor too hot.
Possible Causes
- Brake resistor undersized
- Excessive regenerative duty
- Resistor cooling inadequate
Troubleshooting Steps
- Step 1: Check resistor sizing
Resistor properly sized - Step 2: Reduce regenerative duty
Duty within rated range - Step 3: Improve resistor cooling
Temperature within range
How to Reset
Reset via control panel after resistor cools.
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Source: Vacon NXP Quick Guide, Danfoss/Vacon
Category: PLC & VFD
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