Control Board Lab

Indramat / Bosch Rexroth · Ecodrive DKCObsolete / discontinued

DKC01.3-040-7-FW Repair

Indramat Ecodrive drive controller (DKC01.3-040-7-FW). Long EOL, still running machine tools and packaging lines everywhere. Firmware module handled correctly — your FW module stays with your unit.

Known failures on the DKC01.3-040-7-FW

  • ▸H1 display fault codes
  • ▸Dead drive
  • ▸Trips at enable
  • ▸Resolver interface faults

Ship your unit to

USPS

Control Board Lab
PO Box 120241
Arlington, TX 76012

UPS / FedEx

Control Board Lab
1009 Oakwood Ln # 120241
Arlington, TX 76012

Write your RMA number on the outside of the box and include it on a note inside. Units over 50 lb (large VFDs, spindle drives, industrial PCs in enclosures) ship by freight — contact us before ordering and we will arrange dock-to-dock shipping.

Check these before you ship

Some of these will tell you the DKC01.3-040-7-FW is fine and the fault is elsewhere — worth ten minutes before you pay to ship it.

  • □Megger the motor and its cable before condemning the drive. A shorted winding or a cable chafed against the machine frame will destroy a replacement drive exactly as fast as it destroyed the first one.
  • □Record the alarm code and what the machine was doing when it tripped — during acceleration, at speed, on a hard stop, or only when warm. That distinction separates a power-stage fault from a thermal or feedback fault.
  • □Check whether the cooling fan still spins freely and whether the heatsink is clogged. If the only fault is a thermal trip, cleaning and a fan may fix it on your bench.
  • □Confirm incoming line voltage and phase balance. Repeated drive failures on one axis are often a supply or wiring problem the drive is simply reporting.

Not your exact model?

Search the catalog or send us the number on your unit's label — we service far more than the catalog shows.

All servo drives repairs →

How the DKC01.3-040-7-FW differs from the rest of the Ecodrive DKC range

These share an electronics platform and fail in the same ways, but they are not interchangeable — check the number on your unit's label against this list before you ship, and before you buy a replacement.

Part numberDistinguishing specRepair
DKC01.3-040-7-FW (this page)Ecodrive DKCFree evaluation — typical repairs $600–$1,200
DKC02.3-040-7-FW Ecodrive DKCFree evaluation — typical repairs $600–$1,200View →

Why a DKC01.3-040-7-FW fails — and what we do about it

The Ecodrive DKC shares its electronics across the family, so these are the faults we see on this part number again and again.

Aged capacitors throughout

What you see
Undervoltage alarms, intermittent faults, or a drive that has become steadily less reliable.
Why it happens
Drives of this generation are old enough that the entire electrolytic population is at or beyond design life, not just the obvious bus capacitors.
What we do
Capacitors are replaced as a set rather than individually, since on a drive of this age they all share the same service history, and behaviour is verified under load.

Power stage failure

What you see
Overcurrent alarms or an immediate trip on enable.
Why it happens
Power device failure, usually precipitated by a motor or cable fault at the machine.
What we do
Power devices are tested cold and replaced, gate drive verified, and the drive run under load.

Repair or replace a DKC01.3-040-7-FW?

Servo and spindle drives are where repair economics are most favourable: the hardware is expensive, frequently obsolete, and often tied to a specific machine and parameter set. New replacements for older platforms are commonly quoted at multi-week lead times when they are available at all, and a like-for-like replacement still has to be parameterised and commissioned against the machine. Because a drive failure usually stops the machine outright, the number that matters is rarely the invoice — it is how many production days pass before the axis turns again.

Full technical detail for this repair

The Indramat / Rexroth Drive service page covers the complete bench sequence — how the unit is tested, what gets replaced and how it is proven before it ships back — along with the rest of the family we service.

Indramat / Rexroth Drive Repair — full details →

Frequently asked questions

Can the DKC01.3-040-7-FW be repaired?

Yes — h1 display fault codes, dead drive, trips at enable are the failures we commonly repair on the Ecodrive DKC platform. It starts with a free bench evaluation and a firm quote you approve before any work — $0 if unrepairable.

How long does a DKC01.3-040-7-FW repair take?

Standard bench time is 3–5 business days once the unit arrives. Rush service (+$149) moves it to 1–2 business days, and emergency same/next-day attempts are available — contact us first.

How do I send it in?

Start the repair online to get an RMA number instantly, pack the unit well with the RMA on the box, and ship it to our Dallas–Fort Worth lab with any carrier. Full packing guidance is on the mail-in instructions page.

Machine down? Let's get it back up.

Start a repair online in two minutes, or send us the part number for a free technician review.

The Fixed-or-Free Guarantee: if we can't repair it, you don't pay for the repair.

Call (817) 799-7332 · 📱 Text us a photo of your unit · Email repairs@controlboardlab.com