Allen Bradley PowerFlex 70, PowerFlex 700, PowerFlex 700L & PowerFlex 700S Drive
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Mar 09, 2024 7:48 am
Cause : Heatsink LowTemp comes when annunciates a too low temperature case or an open NTC (heatsink temperature sensing device) circuit.
1. Verify ambient temperature.
2. In cold ambient temperatures, add space heaters.
3. Check connections to NTC.