RTA Pavia GMD04 Circuit Board

The RTA Pavia GMD‑04 is a 95–130 VDC stepper‑motor drive capable of 5–12 A output and supports microstepping (200/400/800 steps) via dip‑switches, with an optional RMM36 frequency card. Common failure points on this class include over‑current protection trips, winding insulation breakdown, and power‑stage MOSFET degradation; the drive’s internal regulator can also fail under prolonged high‑temperature operation. First‑check diagnostics: verify input voltage and current limits against spec, inspect the PCB for burnt or cracked components (especially MOSFETs and heat‑sink connections), and review any fault codes or LED status indicators on the unit.[oss-gpt-20b]

Need your RTA Pavia repaired or tested?

We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.

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We reclaim and repair GPUs and industrial AI hardware (cards, PSUs, fan modules, VRM boards). Free estimate — you only pay return shipping if you decline.

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Other Repaired Units by RTA Pavia

RTA Pavia PS 06 circuit board
RTA Pavia GMD04.S circuit board
RTA Pavia GMD04 Circuit Board
RTA Pavia GMD 04 drive
RTA Pavia GMD 04 drive
RTA Pavia 01.B Drive Communication Board
RTA Pavia GMD 02 driver board

Contact Us

🚑Shop Location🛠️

Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
🚑 Rush repair shipments only — no walk-ins.

📞Phone

1-336-969-0110

📦Mailing Address🚛

Industrial Electronic Repair
931-E S. Main St #204
Kernersville, NC 27284
📦 Mailing Address (for invoices or shipped repairs)
No walk-ins accepted.