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Dana OrtegaAug 25, 2025
How to reset Safe Stop on Danfoss VLT HVAC Drive FC 102?
- DDeborah GrayAug 25, 2025
If Safe Torque Off has been activated on your Danfoss DC Drives, apply 24 V DC to terminal 37, then send a reset signal.
How to reset Safe Stop on Danfoss VLT HVAC Drive FC 102?
If Safe Torque Off has been activated on your Danfoss DC Drives, apply 24 V DC to terminal 37, then send a reset signal.
What does parameter error mean on Danfoss DC Drives?
If your Danfoss DC Drives displays a parameter error, it means the parameter is out of range.
What to do if Danfoss DC Drives show an over current error?
If you are experiencing an over current error with your Danfoss DC Drives, it might be due to shock loading or quick acceleration with high-inertia loads. First, remove the power and check if the motor shaft can be turned. Also, verify that the motor size matches the frequency converter and that the motor data is correctly set in parameters 1-20 to 1-25.
How to troubleshoot earth (ground) fault in Danfoss VLT HVAC Drive FC 102?
If your Danfoss DC Drives report an earth (ground) fault, it means there is current from the output phase-to-ground. To resolve this, remove power to the frequency converter and repair the ground fault. Check for ground faults in the motor by measuring the resistance to ground of the motor cables and the motor with a megohmmeter. You may also need to reset any potential individual offset in the 3 current transducers in the frequency converter.
What to do when Danfoss VLT HVAC Drive FC 102 DC Drives show an internal fault?
When an internal fault occurs in Danfoss DC Drives, a code number is shown. To resolve this: * Cycle power. * Check that the option is properly installed. * Check for loose or missing wiring.
How to resolve Earth Fault 2 on Danfoss VLT HVAC Drive FC 102?
General| Enclosure | IP20, IP21, IP55 |
|---|---|
| Ambient Temperature Range | -10°C to +40°C |
| Storage Temperature Range | -25°C to +70°C |
| Relative Humidity | 5-95% (non-condensing) |
| Communication Protocols | Modbus RTU, BACnet, Profibus |
| Certifications | CE, UL, cUL |
| Control Principle | PWM |
| Cooling Method | Forced air cooling |
| Input Voltage | 200-240V, 380-480V, 525-600V |
| Control Modes | sensorless vector control, closed loop vector control |
Provides information for safe installation and commissioning of the AC drive, intended for qualified personnel.
Lists type approvals and certifications for Danfoss drives, with specific approvals on the drive nameplate.
Defines symbols used in the manual: DANGER, WARNING, CAUTION, NOTICE, indicating hazardous situations.
Specifies that only qualified personnel with proven skills should handle the drive for safe operation.
Details critical safety warnings regarding discharge time, high voltage, and unintended start for safe operation.
Describes the enclosed drive as an electronic motor controller for regulating speed and torque in various environments.
Explains the IP21/54 enclosure surrounding an IP20 drive, detailing the four enclosed drive models and their power ratings.
Provides steps to identify the enclosed drive and its options by locating and interpreting the type code on the nameplate.
Presents detailed power ratings, dimensions, and weights for the D9h-D10h and E5h-E6h enclosures.
Details the control compartment's contents and the functionality of the Local Control Panel (LCP) and its menus.
Lists items supplied with the drive, emphasizing checking contents and packaging against the order confirmation.
Discusses environmental factors like condensation, extreme temperatures, gases, and dust for proper operation.
Outlines essential installation requirements, including location, stability, space for cooling, and cable entry.
Details cooling requirements, including clearance, airflow rates, and derating considerations for high temperatures/altitudes.
Covers installing the enclosed drive, creating cable entries, and securing the cabinet to the floor.
Provides essential safety warnings for electrical installation, including overcurrent, induced voltage, and shock hazards.
Details instructions for EMC-compliant installation, including shielded cables and proper ground connections.
Illustrates the basic wiring overview for D9h and D10h enclosed drives, showing connections for power, control, and motor.
Illustrates the basic wiring overview for E5h and E6h enclosed drives, detailing power, control, and motor connections.
Guides the connection of wiring harnesses when the drive is shipped in multiple cabinets, detailing specific connections.
Covers wiring within the control compartment, including safety precautions, interior view, and terminal descriptions.
Provides guidance on power cabling, grounding considerations, and connecting mains, motor, and ground cables.
Details upstream fuse considerations and provides recommended fuse ratings for IEC and UL installations.
A comprehensive checklist covering motor, switches, auxiliary equipment, wiring, grounding, fuses, and cooling.
Instructions for safely applying power to the drive after verifying readiness, including safety warnings.
Explains parameter overview, navigation, and provides examples for programming the drive for specific applications.
Details procedures for testing motor rotation and encoder rotation to ensure correct functionality before full operation.
Covers parameter setting overview and procedures for uploading/downloading and restoring factory default settings.
Provides a quick reference for common applications, detailing parameter settings and wiring examples.
Illustrates the basic setup for a closed-loop drive system, including motor, drive, encoder, and brake components.
Details wiring configurations for analog and manual speed references, covering voltage and current inputs.
Explains wiring configurations for analog current and voltage feedback transducers (2-wire, 3-wire, 4-wire).
Covers wiring configurations for run/stop commands with external interlock and without external interlock.
Details wiring and parameter settings for controlling a mechanical brake, including start delay and current settings.
Explains how to configure torque and stop limits for applications like hoisting, integrating with mechanical brakes.
Provides guidance on routine checks, preventing breakdowns, and replacing parts with authorized Danfoss components.
Explains status messages displayed on the LCP, covering operating modes, reference sites, and operation status.
Categorizes and explains various warnings and alarms, including their causes, troubleshooting steps, and indicator lights.
Offers solutions for common symptoms like display issues, motor problems, and connection errors based on cause and test.
Provides detailed electrical data for mains supply, motor output, and cable specifications across various models.
Specifies suitability for circuits, supply terminals, voltage, frequency, imbalance, power factor, and environment.
Details output voltage, torque characteristics, and ambient conditions relevant to motor operation and drive.
Lists specifications for vibration, THDv, humidity, aggressive environments, temperature, altitude, and EMC standards.
Describes control card features like USB, STO terminal, digital/analog I/O, and RS485 serial communication.
Provides specifications for Passive Harmonic Filters, Line Reactors, dU/dt Filters, and Sine-wave Filters.
Details recommendations for fuses, circuit breakers, and switches for drive protection and installation compliance.
Presents exterior dimensions for D9h, D10h, E5h, and E6h enclosures, including pedestal options.
Illustrates airflow paths for sine-wave filter, PHF, and drive cabinets, specifying clearance requirements.
Explains conventions used in the manual, including numbered lists, bullet lists, and italicized text meanings.
Provides a glossary of terms, abbreviations, acronyms, and symbols used throughout the document.
Lists essential parameter settings required for various drive options like filters and indicator lights.
Shows electrical power flow block diagrams for D9h/D10h and E5h/E6h enclosures.
Details typical power losses for Contactor, Fusible Disconnect, Non-fusible Disconnect, and MCCB options.
