IIS 20-1116P power supply Repair Service

Professional diagnostic and board-level repair service for this IIS 20-1116P power supply.

IIS 20‑1116P is a high‑current industrial AC‑DC power supply used in servo drives and motor control cabinets. Common failure modes for this class of units include degraded capacitors, burnt or blown rectifier diodes, failing MOSFETs or IGBTs, and overheating due to inadequate ventilation or dust accumulation. First‑check diagnostics: verify input voltage and polarity with a multimeter; inspect the output rails for correct voltage and ripple; visually examine the board for signs of component damage (burn marks, bulging capacitors) and ensure the fan/heat sink are clean and operational. Post Comment

Need your IIS 20-1116P power supply repaired?

Ship your unit to our North Carolina repair shop for component-level diagnostics and a repair estimate. We service industrial control electronics and power systems nationwide.

• ⚙️ Board-level diagnostics – Troubleshooting beyond simple module replacement
• 🔁 Clear approval process – No repair begins without your approval
• 🧰 Expert Technicians – Decades of board-level experience
• ✅ 1-Year Warranty – Included with completed repairs

Start a Repair Request   Call 1-336-969-0110

Nationwide service • Industrial-grade testing • 1-year warranty on completed repairs

Owner-Operated • Practical Pricing • 1-Year Warranty • Nationwide Service

Other Repaired Units by IIS