Siemens 6SE6420-2UC17-5AA0 – MICROMASTER 420
Siemens 6SE6420-2UC17-5AA0 – MICROMASTER 420 from the MICROMASTER 420 range. Status: discontinued by the manufacturer, no longer available new since March 2011; successor 6SE6420-2UC17-5AA1. Van Haelen supplies it refurbished, with a 24-month warranty.
Also written as: 6SE6 420-2UC17-5AA0, 6SE64202UC175AA0
The Siemens 6SE6420-2UC17-5AA0 is a frequency converter or servo drive from the MICROMASTER 420 range. Manufacturer type designation: MICROMASTER 420. Status: discontinued by the manufacturer, no longer available new since March 2011; successor according to the manufacturer: 6SE6420-2UC17-5AA1. Key data: weight 1.2 kg, HS code 85044084. When replacing, keep the parameter set of the old unit; it makes setting up the replacement quick. Ask us about exchange, repair and a spare-parts pool for your installation.
Available as
Product data
| Manufacturer | Siemens |
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| Part number | 6SE6420-2UC17-5AA0 |
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| Type designation | MICROMASTER 420 |
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| Series | MICROMASTER 420 |
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| Manufacturer status | discontinued by the manufacturer, no longer available new since March 2011 |
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| Successor | 6SE6420-2UC17-5AA1 |
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| ETIM | EC001857 |
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| HS code | 85044084 |
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| Weight | 1,2 kg |
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Documentation from the manufacturer
All products of the MICROMASTER 420 series
Faults and fixes 6SE6420-2UC17-5AA0
Problems with 6SE6420-2UC17-5AA0: F0001, F0002 or F0003
On the MICROMASTER 4 F0001 is overcurrent (short circuit or earth fault in motor or cable, too short a ramp, wrong motor data), F0002 DC-link overvoltage (too short a deceleration ramp, mains too high) and F0003 undervoltage (mains gone or sagging). If F0001 returns immediately on enable with no motor connected, the output stage is defective.
6SE6420-2UC17-5AA0: F0004, F0005 or F0011, temperature and overload
F0004 is drive overtemperature (heat sink), F0005 thermal overload I²t of the drive, F0011 motor overload according to the thermal model. Clean heat sink and fan and check the ambient temperature; for F0011 the motor load and the set motor current (P0305). A failing fan is the most common wear item on this series.
6SE6420-2UC17-5AA0: F0022, power stack hardware fault
F0022 reports a fault in the power stack (current measurement, IGBT or gate drive) and can rarely be cured with a parameter. Check the motor cable for a short circuit; if the message persists, the drive is defective. A refurbished unit with the parameter set carried over is then the fastest way to get the machine running again.
What do I check when replacing a 6SE6420-2UC17-5AA0?
Read out the parameter set with the BOP, AOP or STARTER before removing the old drive; without it you must enter the motor data and I/O configuration again. Check rating, voltage and frame size and whether a filter or braking resistor belongs to it. After long storage the DC-link capacitors should be reformed; ask us about it.
Fault not fixed: replace, exchange or repair the 6SE6420-2UC17-5AA0?
Replacing from stock is the fastest route when a machine is down. Van Haelen supplies the 6SE6420-2UC17-5AA0 refurbished: tested to this family's test protocol, with a test report per serial number, with a 24-month warranty. The current lead time is shown with the condition on this page. Prefer an exchange: you get a refurbished unit straight away and return the faulty one within 14 days. Repairing your own unit is also possible: diagnosis, then a fixed price.
What information should I send for a quick diagnosis?
A photo of the rating plate (order number, product version, firmware), the exact fault code or LED state, when the fault occurs (at power-up, on enable, under load) and what you have already tried. For PLCs an export of the diagnostic buffer, for drives the parameter set. With that we can usually say the same day whether replacing, exchanging or repairing is best.
Frequently asked questions
Is the 6SE6420-2UC17-5AA0 still available?
Not new from the manufacturer any more: the 6SE6420-2UC17-5AA0 was discontinued since March 2011. Van Haelen supplies it refurbished and tested.
What is the successor of the 6SE6420-2UC17-5AA0?
According to the manufacturer it is the 6SE6420-2UC17-5AA1. A successor does not always fit an existing installation without changes; replacing like for like is often the fastest route. If in doubt, ask us.
What does refurbished mean?
Cleaned, inspected, aged or critical components replaced and tested to our test protocol for this product family. You get a 24-month warranty, a test report and a serial number label.
What should I check when replacing a 6SE6420-2UC17-5AA0?
Keep the parameter set of the old unit; it makes setting up the replacement quick. Also check power rating, supply voltage and any option boards.
Can I exchange or repair my faulty unit?
Yes. With an exchange Van Haelen supplies a refurbished unit straight away and you return the faulty one. With a repair you first get a diagnosis and then a fixed price, with test report and warranty.