Vizio M-Series 5.1.2 Soundbar EH Error Fix: Soundbar Won't Power On

The soundbar fails to power on when pressing the power button or using remote control. This may be caused by power supply failure, faulty power button, or internal board issues.

critical2 fixes available

Quick Answer

Error EH on the Vizio M-Series 5.1.2 Soundbar means: Soundbar Won't Power On. The top-ranked community fix is “Check Power Outlet and Reset Power Button” (easy difficulty, ~10 min, DIY cost: $0-$0). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · soundbar

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.

Root Cause Analysis

Electrical Fault → Power Supply FaultPrimary

Control Board Failure

When to Call a Professional

While many soundbar 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: $40-$60.

Other Vizio M-Series 5.1.2 Soundbar Error Codes

Bluetooth Connection Failure

2 fixes

HDMI ARC Communication Error

2 fixes

Subwoofer Not Detected

2 fixes

Remote Control Signal Not Received

2 fixes

Power Supply Overvoltage

2 fixes

Speaker Driver Malfunction

2 fixes

Firmware Update Failure

2 fixes

Overheating Detected

2 fixes

People Also Ask About Vizio M-Series 5.1.2 Soundbar Error EH

What does error code EH mean on a Vizio M-Series 5.1.2 Soundbar?

Error code EH on the Vizio M-Series 5.1.2 Soundbar means: Soundbar Won't Power On. The soundbar fails to power on when pressing the power button or using remote control. This may be caused by power supply failure, faulty power button, or internal board issues.

How do I fix error code EH on my Vizio M-Series 5.1.2 Soundbar?

The most successful fix is "Check Power Outlet and Reset Power Button" (easy difficulty, ~10 minutes). Estimated DIY cost: $0-$0. HomeMD has 2 community-ranked fixes for this error.

Is error code EH on a Vizio M-Series 5.1.2 Soundbar serious?

This error is rated critical severity. It is generally not urgent and can often be resolved with a simple DIY fix.

Can I fix Vizio M-Series 5.1.2 Soundbar error EH myself?

Yes — the top-ranked community fix ("Check Power Outlet and Reset Power Button") is rated easy difficulty and takes about 10 minutes. Tools needed: .

How much does it cost to repair Vizio M-Series 5.1.2 Soundbar error EH?

DIY cost: $0-$0. Professional repair typically costs $40-$60. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the Vizio M-Series 5.1.2 Soundbar have?

The Vizio M-Series 5.1.2 Soundbar has 8 other known error codes, including: E2 (Bluetooth Connection Failure), E3 (HDMI ARC Communication Error), E4 (Subwoofer Not Detected), E5 (Remote Control Signal Not Received), E6 (Power Supply Overvoltage), and 3 more.

What other error codes does the Vizio M-Series 5.1.2 Soundbar have?

The Vizio M-Series 5.1.2 Soundbar has 8 other known error codes:

E2 — Bluetooth Connection Failure (2 fixes)
E3 — HDMI ARC Communication Error (2 fixes)
E4 — Subwoofer Not Detected (2 fixes)
E5 — Remote Control Signal Not Received (2 fixes)
E6 — Power Supply Overvoltage (2 fixes)
E7 — Speaker Driver Malfunction (2 fixes)
E8 — Firmware Update Failure (2 fixes)
E9 — Overheating Detected (2 fixes)

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