CONTROLS AND SYSTEMS

In this Article we are going to see Danfoss VLT Drive FC 301/302 Warnings and Alarms 1 to 10. WARNING-1: (10-Volts low) The control card voltage is less than 10 Volt from terminal 50. Remove some of the load from terminal 50, as the 10 Volt supply is overloaded. Maximum 15 mA or minimum 590 ohm . A short circuit in a connected potentiometer or incorrect wiring of the potentiometer can cause this condition.   Troubleshooting Methods: Remove the wiring from terminal 50, If the warning clears, the problem is with the wiring, If the warning does not clear, replace the control card.   WARNING/ALARM-2: (Live zero error) This warning or alarm only appears if programmed by the user in parameter 6-01 Live Zero Timeout Function . The signal on 1 of the analog inputs is less than 50% of the minimum value programmed for that input. Broken wiring or faulty device sending the signal can cause this condition. Troubleshooting Methods: Check connections on all th...

In this Article we are going to see Schneider Altivar ATV-310 VFD Drive Fault code, Possible Causes & Remedy Part-1, Schneider Altivar ATV-310 VFD Code: F001 Pre Charge. Possible causes: Charging relay control fault or charging resistor damaged. Remedy: Turn the drive off and then back on again, Check the connections, Check the stability of the main supply, Contact local Schneider Electric representative.   Code: F002 Unknown Drive Rating. Possible causes: Power card and stored card versions different. Remedy: Contact local Schneider Electric representative.   Code: F003 Unknown or Incompatible Power Board. Possible causes: The power card is incompatible with the control card. Remedy: Contact local Schneider Electric representative.   Code: F004 Internal Serial Link Fault. Possible causes: Communication interruption between the internal cards. Remedy: Contact local Schneider Electric representative.   Co...