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POWER-ERR

Epson · Epson Home Cinema 5050UB 4K PRO-UHD 3LCD Projector with HDR and Lens Shift

Epson Epson Home Cinema 5050UB 4K PRO-UHD 3LCD Projector with HDR and Lens Shift POWER-ERR Error Fix: Power Supply or Internal Error

The power/status LED indicates an internal projector error — the power supply, ballast, or mainboard may have a fault; unplug the projector for 30 minutes, then reconnect; if the error persists on restart, the projector needs professional diagnosis and repair

Medium severity2 fixes available✨ Free fix available

Quick Answer

Error POWER-ERR on the Epson Epson Home Cinema 5050UB 4K PRO-UHD 3LCD Projector with HDR and Lens Shift means: Power Supply or Internal Error. The top-ranked community fix is “Diagnose and Replace Faulty Power Supply or Mainboard” (hard difficulty, ~90 min, DIY cost: $0-$50). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · projector

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

When to Call a Professional

While many projector repairs can be done safely at home, consider hiring a qualified technician if:

The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $200-$350.

Other Epson Models with Error POWER-ERR

Epson Home Cinema 2350 3LCD 1080p Smart Streaming Projector with Android TV and Built-In Speaker

projector · 2 fixes

Other Epson Epson Home Cinema 5050UB 4K PRO-UHD 3LCD Projector with HDR and Lens Shift Error Codes

COLOR-DRIFT

Colors Inaccurate or Yellowing

2 fixes

DUST-BLOBS

Dust Spots Visible in Projected Image

Cooling Fan Failure

Excessive Fan Noise

Air Filter Cleaning Required

2 fixes

HDMI-NO-SIGNAL

No HDMI Signal Detected

2 fixes

IMAGE-FOCUS

Image Out of Focus or Blurry

2 fixes

KEYSTONE-ERR

Keystone Correction Not Working

2 fixes

People Also Ask About Epson Epson Home Cinema 5050UB 4K PRO-UHD 3LCD Projector with HDR and Lens Shift Error POWER-ERR

What does error code POWER-ERR mean on a Epson Epson Home Cinema 5050UB 4K PRO-UHD 3LCD Projector with HDR and Lens Shift?

Error code POWER-ERR on the Epson Epson Home Cinema 5050UB 4K PRO-UHD 3LCD Projector with HDR and Lens Shift means: Power Supply or Internal Error. The power/status LED indicates an internal projector error — the power supply, ballast, or mainboard may have a fault; unplug the projector for 30 minutes, then reconnect; if the error persists on restart, the projector needs professional diagnosis and repair

How do I fix error code POWER-ERR on my Epson Epson Home Cinema 5050UB 4K PRO-UHD 3LCD Projector with HDR and Lens Shift?

The most successful fix is "Diagnose and Replace Faulty Power Supply or Mainboard" (hard difficulty, ~90 minutes). Estimated DIY cost: $0-$50. HomeMD has 2 community-ranked fixes for this error.

Is error code POWER-ERR on a Epson Epson Home Cinema 5050UB 4K PRO-UHD 3LCD Projector with HDR and Lens Shift serious?

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Can I fix Epson Epson Home Cinema 5050UB 4K PRO-UHD 3LCD Projector with HDR and Lens Shift error POWER-ERR myself?

Yes — the top-ranked community fix ("Diagnose and Replace Faulty Power Supply or Mainboard") is rated hard difficulty and takes about 90 minutes. Tools needed: T10 Torx screwdriver, Multimeter, Anti-static wrist strap.

How much does it cost to repair Epson Epson Home Cinema 5050UB 4K PRO-UHD 3LCD Projector with HDR and Lens Shift error POWER-ERR?

DIY cost: $0-$50. Professional repair typically costs $200-$350. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the Epson Epson Home Cinema 5050UB 4K PRO-UHD 3LCD Projector with HDR and Lens Shift have?

The Epson Epson Home Cinema 5050UB 4K PRO-UHD 3LCD Projector with HDR and Lens Shift has 8 other known error codes, including: COLOR-DRIFT (Colors Inaccurate or Yellowing), DUST-BLOBS (Dust Spots Visible in Projected Image), FAN-ERROR (Cooling Fan Failure), FAN-NOISE (Excessive Fan Noise), FILTER-CLEAN (Air Filter Cleaning Required), and 3 more.

Which other Epson models have the POWER-ERR error?

Error code POWER-ERR also appears on 1 other Epson model: Epson Home Cinema 2350 3LCD 1080p Smart Streaming Projector with Android TV and Built-In Speaker. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the Epson Epson Home Cinema 5050UB 4K PRO-UHD 3LCD Projector with HDR and Lens Shift have?

The Epson Epson Home Cinema 5050UB 4K PRO-UHD 3LCD Projector with HDR and Lens Shift has 8 other known error codes:

COLOR-DRIFT — Colors Inaccurate or Yellowing (2 fixes)
DUST-BLOBS — Dust Spots Visible in Projected Image (2 fixes)
FAN-ERROR — Cooling Fan Failure (2 fixes)
FAN-NOISE — Excessive Fan Noise (2 fixes)
FILTER-CLEAN — Air Filter Cleaning Required (2 fixes)
HDMI-NO-SIGNAL — No HDMI Signal Detected (2 fixes)
IMAGE-FOCUS — Image Out of Focus or Blurry (2 fixes)
KEYSTONE-ERR — Keystone Correction Not Working (2 fixes)

Which other Epson models have the POWER-ERR error?

Error code POWER-ERR also appears on 1 other Epson model:

Epson Home Cinema 2350 3LCD 1080p Smart Streaming Projector with Android TV and Built-In Speaker (projector) · 2 fixes

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