Table 1.3 Approvals and Certifications circuit voltage • Prove line transient protection More approvals and certifications are available. Contact local Danfoss partner. Adjustable frequency drives of • Reduce RMS current enclosure type T7 (525–690 V) are not certified for UL. DC reactors •...
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Check for loose or missing wiring The trip and reset points are different based on the It may be necessary to contact your Danfoss supplier or adjustable frequency drive power size. service department. Note the code number for further troubleshooting directions.
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Check motor cables for short-circuits or leakage Parameter value outside of min/max limits currents. 1024-1284 Internal fault. Contact your Danfoss supplier or the Danfoss Service Department ALARM 46, Power card supply 1299 Option SW in slot A is too old The supply on the power card is out of range.
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The control card and power card are incompatible. To 4-19 Max Output Frequency. Check the application to check compatibility, contact the Danfoss supplier with the determine the cause. Possibly increase the output type code of the unit from the nameplate and the part frequency limit.
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4) Applies for dimensioning of frequency converter cooling. If the switching frequency is higher than the default setting, the power losses may increase. LCP and typical control card power consumptions are included. For power loss data according to EN 50598-2, refer to www.danfoss.com/ vltenergyefficiency.
Switching on output Unlimited Ramp times 1–3600 s 1) From software version 3.92, the output frequency of the adjustable frequency drive is limited to 590 Hz. Contact local Danfoss partner for further information. Torque characteristics Starting torque (Constant torque) maximum 110% for 60 s Starting torque maximum 135% up to 0.5 s...
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Danfoss shall not be responsible for any errors in catalogs, brochures or other printed material. Danfoss reserves the right to alter its products at any time without notice, provided that alterations to products already on order shall not require material changes in specifications previously agreed upon by Danfoss and the Purchaser. All trademarks in this material are property of the respective companies.
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